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EnzoGr7_Q2Math

Total questions: 250

Worksheet time: 14hrs 38mins

Name
Class
Date
1.

There are 30 students in Mrs. Woodward’s class, and 1/ 5 of the class has their own cellphone. Of this group of students, 1/ 2 of them are allowed to use social media. How many of the students can use social media? 

(a)  

2.

Joe bought a box of laundry detergent that contains 195 scoops. Each load of laundry uses 2 1/2 scoops. How many loads of laundry can he do with this one box? The box of detergent was Php 400 . How much is he paying for each load that he washes?  (round of your answer to the nearest two digits)

(a)  

3.

Josh rents a kayak at a nearby state park. He pays a flat rate of Php 999 plus Php 300 for each hour that he spends in the water. How much did Josh spend if he was on the river  for 4 1/ 2 hours?

(a)  

4.
a)
$870
b)
$860
c)
$840
d)
$830
5.
a)
$200
b)
$240
c)
$260
d)
$300
6.
a)
$38.70
b)
$45.90
c)
$48.60
d)
$64.80
7.
a)
3 ¾
b)
6 ⅔
c)
7 ½
8.
a)
4 tablespoons
b)
7 tablespoons
c)
27 tablespoons
d)
48 tablespoons
9.
Jose is selling peanuts at the carnival.  The original bag he purchased weighs 8 pounds.  If each bag he plans on selling will weigh 2 pounds, how many full 2lb bags can he sell?
a)
4 bags
b)
16 bags
c)
6 bags
d)
2 bags
10.
A rational number can be written as a fraction.
a)
True
b)
False
11.
⅗+(−⅕)=
a)
⅖
b)
−⅖
c)
⅘
12.
A construction company is digging a pit to build the foundation of a house. At the end of the first day, the company had hauled away 1/6 of a truckload of dirt. On the second day, they hauled away 2/6 of a truckload. How many truckloads did they haul away in all?
a)
1/4 truckload
b)
1/2 truckload
c)
3/4 truckload
d)
1/3 truckload
13.

Michael paid $11.48 for sliced cheese at the deli counter. The cheese cost $3.28 per pound. How much cheese did Michael buy?

a)

3.5 pounds

b)

4.25 pounds

c)

0.29 pound

d)

37.6544 pounds

e)

35 pounds

14.

Blades of grass grow 3.75 inches per month. If the grass continues to grow at this rate, how much will the grass grow in 6.25 months?

a)

234.375 inches

b)

23.4375 inches

c)

0.6 inch

d)

1.66 inches

e)

32.4375 inches

15.

Rico bicycles at an average speed of 15.5 miles per hour. What distance will Rico bicycle in 2.5 hours?

a)

6.2 miles

b)

0.16 miles

c)

38.75 miles

d)

387.5 miles

e)

38.65 miles

16.

Corrine has 9.6 pounds of trail mix to divide into 12 bags. How many pounds of trail mix will go in each bag?

a)

8 pounds

b)

11.52 pounds

c)

115.2 pounds

d)

0.8 pounds

e)

1.25 pounds

17.

Ella uses 0.5 pound of raspberries in each raspberry cake that she makes. How many cakes could Ella make with 3.25 pounds of raspberries?

a)

6.7

b)

1.625

c)

0.15

d)

5.5

e)

6.5

18.

Marianne buys 16 bags of potting soil. Each bag is 58\frac{5}{8}  pound.  How many pounds of potting does Marianne buy?

a)

10 lb

b)

12 lb

c)

253525\frac{3}{5}  lb

d)

5128\frac{5}{128}  lb

19.

Grace is making  muffins for her school's annual bake sale.  If one batch of muffins requires   1141\frac{1}{4}  cups of flour, how many cups of flour does Grace need to make  2122\frac{1}{2}  batches of muffins?

a)

19161\frac{9}{16}  c

b)

3183\frac{1}{8}  c

c)

2 c

d)

12\frac{1}{2}  c

e)

10 c

20.

Alison has  12\frac{1}{2}  cup of yogurt for making fruit parfaits.  Each parfait requires  18\frac{1}{8}  cup of yogurt.  How many parfaits can she make?

a)

14\frac{1}{4}  

b)

6

c)

4

d)

116\frac{1}{16}  

e)

8

21.

Dao is making burgers.  He has   228 2\frac{2}{8}\  pounds of hamburger meat.  Each hamburger is  14\frac{1}{4}  pound.  How many hamburgers could he make?

a)

72

b)

18

c)

19\frac{1}{9}  

d)

9

e)

916\frac{9}{16}  

22.

Linda has 6 metres of fabric. She used 2/3 of it to make a purse. How much fabric, in metre, did she use?

a)

12

b)

4

c)

9

d)

3

23.
Connie's brownie recipe calls for 1 5/8 sticks of butter.  If she triples the recipe, how many sticks of butter will she need?  (Hint - Triples means Times 3)
a)
4 sticks
b)
47/8 sticks
c)
13/24 sticks
d)
3 sticks
24.

Sally put RM15 into her bank account. The next day she spent RM25. If she quickly deposited RM18 into her account, how much money does she have now?

a)

8

b)

53

c)

22

d)

15

25.
The air temperature in the North Pole in the morning was 3 degrees Celsius.  By 10:00am the temperature dropped 12 degrees.  By noon the temperature had gone up 5 degrees.  At 3:00pm the temperature went up 9 degrees.  By nightfall the temperature had dropped 16 more degrees.  What was the temperature at the North Pole at nightfall?
a)
11 degrees
b)
0 degrees
c)
-11 degrees
d)
-9 degrees
26.

In Tim's class of 25 students, 15 of the students traveled outside of Kuching. Which number does NOT represent the part of the class that has traveled outside of Kuching.

a)

10/15

b)

60%

c)

0.6

d)

3/5

27.

Brynlee is selling pies for a band fundraiser. They make RM5.50 profit for every pie they sell. How many must they sell in order to make a profit of at least RM100?

a)

19 pies

b)

18 pies

c)

550 pies

d)

100 pies

28.
What is 1.2 as a fraction?
a)
3/25
b)
1/2
c)
1  2/5
d)
1  1/5
29.

Joe went scuba diving. He descended down to 5 m below sea level, stopped, then went down another 20 m. What is Joe's position from the sea level?

a)

25 m

b)

-15 m

c)

15 m

d)

-25 m

30.

Devon had his two friends over for pizza. Devon ate 1/4 of the pizza. One of his friends ate 3/8 of the pizza and the other friend ate 1/8 of the pizza. How much of the pizza is left?

a)

1/4

b)

1/8

c)

1/3

d)

1/5

31.

A submarine is 150 m below sea level while an airplane is 375 m above sea level. What is the difference between the height of the submarine and the airplane?

a)

-525

b)

525

c)

325

d)

-325

32.
The temperature was 80 degrees in the afternoon.  It was 50 degrees in the evening.  How much did the temperature change?
a)
25 degrees
b)
30 degrees
c)
130 degrees
d)
20 degrees
33.
Which statement is true?
a)
Every rational number is an integer
b)
Every whole number is a counting number
c)
Every integer is a whole number
d)
Every whole number is a rational number
34.
Integers are ____________ rational.
a)
always 
b)
sometimes 
c)
never
35.

A submarine is 65 meters below sea level. It rises 26 meters and then dives 15 meters. How far is the submarine below sea level?

a)

54

b)

55

c)

56

d)

57

36.

Jorge was charged P1,000.00 at his favorite clothing boutique, so the balance in his account is -P1,000.00. He goes shopping and doubles the amount he owes. If his monthly salary is P18,000.00, how much money will he receive after deducting the amount he bought in the boutique?

a)

P20,000.00

b)

P19,000.00

c)

P16,000.00

d)

-P20,000.00

37.

Last week, Crissa spent 1/3 of her weekly allowance on snacks, 2/5 on school materials, and 1/4 of the remainder on transportation. If she saved the rest of her allowance, what fraction of her allowance did she save?

a)

59/60

b)

4/12

c)

8/12

d)

1/60

38.

Balsi reads three-fifth of 75 pages of his lesson. How many more pages he need to complete the lesson?

a)

45

b)

40

c)

35

d)

30

39.

You are enlarging a photo on your computer screen. The photo starts at 3 centimeters wide. Each time you enlarge the photo, its width is doubled. You enlarge the photo four times. What is the final width of the photo on your screen?

a)

6

b)

12

c)

24

d)

48

40.

On Tuesday, you invited 2 friends to your party. On Wednesday, each of these friends invited 2 other friends. This pattern continued Thursday and Friday. How many people were invited on Friday? Write the answer as a power. How many people were invited in all?

a)

8 and 14

b)

8 and 30

c)

16 and 30

d)

16 and 46

41.

Lin’s sister has a checking account. If the account balance ever falls below zero, the bank charges her a fee of $5.50 per day. Today, the balance in Lin’s sister’s account is -$2.60. If she does not make any deposits or withdrawals, what will be the balance in her account after 2 days? Show your thinking.

(a)  

42.

Fernando went shopping at Marshall’s.  He bought a shirt for $19.99 and a belt for $12.99.  He paid with a $50  bill.  How much change did he get back from the cashier?

a)

$32.98

b)

$17.02

c)

$82.98

43.

A jug of orange juice contains 40.75 fluid ounces. It is shared equally among 5 people. How many ounces of orange juice does each person receive?

a)

81.45

b)

203.75

c)

20.75

d)

8.15

44.

Angelo has $5.50 for lunch. He buys a cookie for $1.05 and a drink for 1.45. How much money does Angelo have left?

a)

$2.50

b)

$3.00

c)

$1.25

d)

$4.00

45.
Kaitlin traveled 47.4 miles each day for the past 8 days.  How many miles did she travel in all?
a)
37.92 miles
b)
3.792 miles
c)
3,792 miles
d)
379.2 miles
46.

Wyatt's football team lost 7127\frac{1}{2}  yards on the first play of the game. On the second play of the game, they gained 1181\frac{1}{8}  yards. What was the overall change to the team's yardage?

a)

gained 6386\frac{3}{8} yards

b)

lost 6386\frac{3}{8}  yards

c)

gained 8588\frac{5}{8} yards

d)

lost 8588\frac{5}{8}  yards

47.
If the temperature in Chicago is -5 degrees and the temperature in Moscow is 8 degrees colder. What is the temperature in Moscow?
a)
-3 degrees
b)
-13 degrees
c)
3 degrees
d)
13 degrees
48.
In his garden Tim plants a tomato seed 5¼ inches below the ground. After one month the tomato plant has grown a total of 11½ in. How many inches is the plant above the ground?
a)
16¾ inches
b)
6½ inches
c)
6¼ inches
49.
Mrs. Byrne is at her house. She gets in her car and drives north 3.4 miles and stops at Target. Then she turns around and drives south 6.1 miles to go to Mrs. Mangini's house. How far is Mrs. Byrne's house from Mrs. Mangini's house?
a)
9.3 miles
b)
2.7 miles
c)
3.3 miles
50.
Which of these situations can be represented by the opposite of 4?
a)
You climb up 4 flights of stairs.
b)
You walk down 4 flights of stairs.
c)
The temperature rises 4⁰F.
d)
A plant grows 4 inches taller.
51.
A worker in a silver mine descends 60 feet. Use an integer to represent the change in the worker's position.
a)
60
b)
−60 feet
c)
60 feet
d)
−60
52.
The temperature on a cold winter day starts out at 10 degrees, but it drops rapidly 24 degrees due to a strong cold front moving in.  What is the current temperature?
a)
14
b)
34
c)
-14
d)
-34
53.
A sprinkler was -8 feet below ground level. Mr. S has a machine that digs - 2 feet at a time. How many digs does he need to make in order to reach the sprinkler?
a)
4
b)
-4
c)
16
d)
-16
54.
A submarine is 150 below sea level while an airplane is 375 above sea level.  What is the difference between the height of the submarine and the airplane?
a)
-525
b)
525
c)
325
d)
-325
55.

A carpenter cut a board

3 343\ \frac{3}{4}  feet long to make a shelf.  Before he cut the board, it was  10 1210\ \frac{1}{2}   feet long.  How long is the remaining piece of board?  Enter your answer, as a mixed number in simplest form.



(a)  

56.

Marty started a lawn mowing business. He kept track of his expenses and earnings in a table. How much money did Marty make?

(a)  

57.

An elevator starts at the top floor of an office building, which is 37.8 meters above the ground, It travels to the parking garage 12.3 meters underground. What is the total distance, in meters, that the elevator traveled?

Enter your answer as a decimal.

(a)  

58.
All whole numbers are integers.
a)
False
b)
True
59.
The set of rational numbers includes all the following except...
a)
-42
b)
5/0
c)
0
d)
14.7
60.
What is an example of an irrational number?
a)
-2/3
b)
.75575557654..
c)
23
d)
0
61.
A repeating decimal is what type of number?
a)
Rational 
b)
Irrational
62.
Given the following radical, decide if it is rational or irrational:
√121
a)
Rational
b)
Irrational
63.
Zero
a)
Rational, Integer
b)
Rational
c)
Rational, Integer, Whole
d)
Rational, Integer, Whole, Natural
64.
In between what two integers is the square root of 44?
a)
3 and 4
b)
4 and 5
c)
5 and 6
d)
6 and 7
65.

Square root is the inverse of ____________.

a)
Cube Roots
b)
Squaring
c)
Multiplication
d)
Absolute Value
66.

Between which two square roots does the √51 fall?

a)

√16 and √25

b)

√25 and √36

c)

√36 and √49

d)

√49 and √64

67.

Between which two square roots does the √43 fall?

a)

√36 and √49

b)

√40 and √49

c)

√25 and √49

d)

√42 and √44

68.
In between what two integers is the square root of 77?
a)
5 and 6
b)
6 and 7
c)
7 and 8
d)
8 and 9
69.
Classify this number:  6.7
a)
real
b)
real      rational
c)
real      rational        integer
d)
real   rational   integer   whole
70.
-4 is not a whole number because:
a)
It's negative and whole numbers are positive.
b)
it's irrational.
c)
it cannot be turned into a fraction.
d)
it is even.
71.

What type of number is π\pi  ?

(select all that apply)

a)

Natural

b)

Whole

c)

Integers

d)

Rational

e)

Irrational

72.

Rachel states that -5.5 is an integer because it is negative.

Is she correct?

Why or why not?

a)

Yes, because all negatives are integers.

b)

Yes, because all integers have decimals.

c)

No, because integers do not have decimals.

d)

No, because integers cannot be negative.

73.
A rational number:
a)
can be turned into a fraction.
b)
is only positive.
c)
can't have a decimal.
d)
is not a real number.
74.
An example of an integer is...
a)
9.1
b)
8/9
c)
-9
d)
-2.3
75.

Is the following statement true or false?

"All whole numbers are rational numbers"

a)

True

b)

False

76.

Is the following statement true or false?

"No irrational numbers are whole numbers"

a)

True

b)

False

77.

Match the following numbers to their square roots.

a)

49

1.

7

b)

64

2.

8

c)

81

3.

9

d)

36

4.

6

e)

25

5.

5

78.
A perfect square is when a whole number is multiplied by itself?
a)
FALSE
b)
TRUE
79.

200

a)

is a perfect square

b)

is not a perfect square

80.
Square roots are the opposite of ____________.
a)
Cube Roots
b)
Squaring
c)
Multiplication
d)
Absolute Value
81.

What type if number is 2\sqrt{2}  ?

a)

Integer

b)

Rational Number

c)

Irrational Number

d)

Whole Number

82.

What two numbers is the 37\sqrt{37}  between?

a)

3 and 4

b)

4 and 5

c)

5 and 6

d)

6 and 7

83.

How can you tell if a number is rational?

a)

it has a positive value

b)

it can be written as a ratio of two integers (a fraction)

c)

it has a negative value

d)

it has a π\pi symbol

84.
Zero can be classified as all of the following except which?
a)
Whole
b)
Rational
c)
Integer
d)
Natural
85.
π or PI is classified as which?
a)
Rational
b)
Irrational
c)
Rational, Real
d)
Irrational, Real
86.
Classify the following:
 -78
a)
integer
b)
integer, real
c)
integer, whole, rational
d)
integer, rational, real
87.
Classify the following:
√13?
a)
Rational
b)
Irrational
88.
Classify 0
a)
Whole
b)
Integer
c)
Rational
d)
All of the above
89.

Which of these numbers is an integer?

a)

4.2

b)

4

c)

-4.2

d)

4/3

90.
Classify 3
a)
Natural, Whole, Integer, Rational
b)
Whole, Rational
c)
Integer
d)
Rational
91.

Are irrational numbers real numbers?

a)

Always

b)

Sometimes

c)

Never

92.

Which categories does the number 3.7 belong to?

a)

Real numbers

b)

Rational numbers

c)

Integers

d)

Whole numbers

e)

Natural numbers

93.

Which of the following is NOT a natural number?

a)

12

b)

3,000

c)

5

d)

0

94.

Integers are whole numbers

a)

Always

b)

Sometimes

c)

Never

95.

Select all: Which are characteristics of any Rational Number?

a)

Can be written as a fraction

b)

Cannot have a decimal

c)

A type of real number

d)

Includes every number on the number line

96.

-14 could be classified as all of these EXCEPT?

a)

Integer

b)

Real

c)

Rational

d)

Whole

97.

What are your counting numbers (1,2,3..)?

a)
Rational Numbers
b)
Whole Numbers
c)
Natural Numbers
d)
Irrational Numbers
98.

The set of counting numbers which is also a subset of real number

= {1, 2, 3, 4, …}

a)

Rational Number

b)

Natural Number

c)

Integer

99.

The set of natural numbers plus a “0”

W = {0, 1, 2, 3,…}

a)

Natural Numbers

b)

Integers

c)

Irrational Numbers

d)

Whole Numbers

100.

True or False: Zero is a counting number.

a)

True

b)

False

101.

The set of natural numbers, their negatives and 0

= {-3, -2, -1, 0, 1, 2, 3,…}

a)

Whole Numbers

b)

Integers

c)

Natural Numbers

102.

True or False: Some of the integers are natural numbers.

a)

True

b)

False

103.

True or false: ALL fractions are Rational

a)

true

b)

false

104.
Classify the following:
0.04769165821735......
a)
Irrational
b)
Rational
105.

Which of the following real number categories best matches π\pi     ?

a)

Rational

b)

Irrational

c)

Whole

d)

Integer

106.

Select all: Natural Numbers

a)

4.5

b)

5

c)

-2

d)

0

e)

7,652

107.

Select all: Integers

a)

4.2

b)

4

c)

-4.2

d)

4/3

e)

-2

108.

Which of the following is NOT an irrational number?

a)

16\sqrt[]{16}  

b)

5.58703...

c)

96\sqrt[]{96}  

d)

π\pi  

109.

Which of the following is NOT a natural number?

a)

12

b)

3,000

c)

5

d)

0

110.

Classify the following: -78

a)

Integer

b)

integer, real

c)

integer, whole, rational

d)

integer, rational, real

111.

Classify the following number: 1.01276894...

a)

Rational

b)

Irrational

112.
Classify the following:
√13?
a)
Rational
b)
Irrational
113.

What type if number is 2\sqrt{2}  ?

a)

Integer

b)

Rational Number

c)

Irrational Number

d)

Whole Number

114.

A repeating decimal or decimal that terminates is called a

a)

Natural Number

b)

Irrational Number

c)

Rational Number

d)

Whole Number

115.

All whole numbers are also rational numbers

a)

True

b)

False

116.

Which number is an irrational number?

a)

2.33333 . . .

b)

5.72314.....

c)

5.72

d)

52

117.
What is the definition of an integer
a)
All positive and negative whole numbers
b)
Decimals or fractions that terminate for repeat
c)
All positive whole numbers
d)
0
118.

Classify the following number:

1.01276894...

a)

Rational

b)

Irrational

119.

What type of number is -3

a)

whole number

b)

integer and rational

c)

rational only

d)

integer only

120.
Which statement is NOT true?
a)
Every rational number is also a whole number.
b)
Every counting number is a whole 
c)
Every integer is a rational number.
d)
Every whole number is an integer number.
121.
What is true about irrational numbers?
a)
They are terminating decimals.
b)
They are non-repeating decimals.
c)
They are fractions.
d)
They are natural numbers.
122.
All whole numbers are also rational numbers
a)
True
b)
False
123.
Classify the Number: -23
a)
Rational
b)
Real, rational, integer
c)
integer
d)
Real, irrational, whole
124.

Classify the following number by naming the set or sets to which it belongs:


-9

a)

Integer

b)

Rational number

c)

Irrational

d)

Integer and rational numbers

125.

Identify the set of numbers that best describes this situation:


Possible number of miles you can walk in 1 hour

a)

Positive rational numbers

b)

Whole numbers

c)

Negative Integers

d)

None of the above

126.

True or false? No positive numbers are integers.

a)

True. Integers are only composed of negative numbers.

b)

False. All integers greater than zero are positive.

127.

Classify the following number by naming the set or sets to which it belongs:


789

a)

Whole number and natural number

b)

Natural number

c)

Whole number, integer, rational number, and natural number

d)

Integer, whole number, and natural number.

128.

True or False? All rational numbers are whole numbers.

a)

True

b)

False

129.

True or false? All whole numbers are integers.

a)

True

b)

False

130.
How would 5/9 be classified?
a)
rational 
b)
whole and integer
c)
only integer
d)
only whole
131.
Classify the Number: 120
a)
Whole, integers rational
b)
rational
c)
whole
d)
Whole, integer
132.
-14 could NOT be which type of number?
a)
Integer
b)
Whole
c)
Rational
133.
Which statement is true?
a)
Every rational number is an integer
b)
Every whole number is a rational number but not an integer
c)
Every integer is a whole number
d)
Every whole number is a rational number
134.
What number is an integer?
a)
½
b)
1.65
c)
-4
d)
3 ¾
135.
Is 8.27 rational or irrational?
a)
Rational
b)
Irrational
c)
Both
d)
None of the above
136.
Zero is a ___________.
a)
whole number
b)
natural number
c)
whole number, integer, and rational
d)
irrational
137.
Given the following radical, decide if it is rational or irrational:
√121
a)
Rational
b)
Irrational
138.

-14 could be classified as all of these EXCEPT?

a)

Integer

b)

Real

c)

Rational

d)

Whole

139.

√49 is a/an ________number.

a)

Rational

b)

Irrational

140.

25/0 can classify as_________number.

a)

Rational

b)

Irrational

141.

√12 is an example of ______ number.

a)

Rational

b)

Irrational

142.

√36 is an example of ______ number.

a)

Rational

b)

Irrational

143.

0. 222... can be classified as ______ number.

a)

Rational

b)

Irrational

144.

One example of ______ number is 1.5467...

a)

Rational

b)

Irrational

145.

- 6.3578... is an example of ______ number.

a)

Rational

b)

Irrational

146.

-34.56 is an example of _______ number.

a)

Rational

b)

Irrational

147.

15\sqrt[]{15}   is an example of _______ number.

a)

Rational

b)

Irrational

148.
√ 4
a)
2
b)
7
c)
16
d)
1
149.
√ 1
a)
1
b)
100
c)
10
d)
0
150.
√ 64
a)
4
b)
6
c)
9
d)
8
151.
√ 144
a)
4
b)
12
c)
16
d)
32
152.
√ 100
a)
10
b)
5
c)
20
d)
100
153.
√ 121
a)
10
b)
11
c)
12
d)
121
154.
Square roots are the opposite of ____________.
a)
Cube Roots
b)
Squaring
c)
Multiplication
d)
Absolute Value
155.

Evaluate

√36

a)

6

b)

8

c)

18

d)

-18

156.

Find √50. Round your answer to the nearest tenth.

a)

7.2

b)

6.9

c)

7.1

d)

7

157.

Evaluate √72. Round your answer to the nearest tenth.

a)

8.48

b)

8.6

c)

8.4

d)

8.5

158.
Which of the following is a perfect square?
a)
39
b)
50
c)
6
d)
81
159.

Which of the following is NOT a perfect square?

a)

1

b)

4

c)

100

d)

8

160.
65
a)
Is a perfect square.
b)
Is not a perfect square.
161.
144
a)
Is a perfect square.
b)
Is not a perfect square.
162.
What is the square root of 144?
a)
4
b)
12
c)
16
d)
32
163.
The √20 is between which two integers?
a)
2 & 3
b)
3 & 4
c)
4 & 5
d)
5 & 6
164.
The √40 is between which two integers?
a)
7 & 8
b)
6 & 7
c)
5 & 6
d)
4 & 5
165.

A perfect square is created when a whole number is multiplied by ___

a)

a different number

b)

itself

c)

a two digit number

d)

a fraction

166.

144=?\sqrt[]{144}=?  

a)

12

b)

10

c)

11

167.

True or False: 16 is a perfect square

a)

True

b)

False

168.

True or False: 25 is a perfect square

a)

True

b)

False

169.

True or False: 30 is a perfect square

a)

True

b)

False

170.

True or False: 49 is a perfect square

a)

True

b)

False

171.

True or False: 37 is a perfect square

a)

True

b)

False

172.

True or False: 60 is a perfect square

a)

True

b)

False

173.
√196 = ______
a)
14
b)
142
c)
15
d)
152
174.
Which number is the square root of 324?
a)
182
b)
18
c)
√18
d)
18/2
175.
Which number is closest to the approximate value of √380?
a)
18.5
b)
19
c)
19.5
d)
20
176.
Evaluate √72. Round your answer to the nearest Whole Number. 
a)
7.2
b)
7
c)
8
d)
9
177.

Which of the following is a perfect square?

a)

10

b)

25

c)

50

d)

89

178.

Which of the following in not a perfect square?

a)

49

b)

81

c)

111

d)

144

179.
The √20 is between which two consecutive integers?
a)
2 & 3
b)
3 & 4
c)
4 & 5
d)
5 & 6
180.
Between which two consecutive whole numbers is the√200? 
a)
13 and 14
b)
15 and 16
c)
14 and 15
d)
11 and 12
181.
What is the square root of 289?
a)
13
b)
140
c)
17
d)
18
182.
Which number has a square root that is between 7 and 8?
a)
48
b)
81
c)
60
d)
36
183.
Square roots are the opposite of ____________.
a)
Cube Roots
b)
Squaring
c)
Multiplication
d)
Absolute Value
184.

10003\sqrt[3]{1000}  

a)

10

b)

100

c)

125

185.

1253\sqrt[3]{125}  

a)

3125

b)

5

c)

25

186.

273\sqrt[3]{27}  

a)

3

b)

4

c)

327

187.

The √21 is between which two integers?

a)

5 and 6

b)

20 and 22

c)

4 and 5

d)

10 and 11

188.
In between what two integers is the square root of 77?
a)
5 and 6
b)
6 and 7
c)
7 and 8
d)
8 and 9
189.

What is 324\sqrt[]{324}   ?

a)

18

b)

20

c)

16

190.

What is 361\sqrt[]{361}   ?

a)

15

b)

17

c)

19

191.

What is 256\sqrt[]{256}   ?

a)

14

b)

15

c)

16

192.
When writing a number in scientific notation, the first number must be greater than 1, but less than 10.
a)
False
b)
True
193.
What is it called when you go from this form to this next form?
0.0088 to 8.8 x 103
a)
Standard form to scientific notation
b)
Scientific notation to regular form
c)
Scientific notation to standard form
d)
Standard form to regular form
194.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
195.
When your exponent is negative, you move your decimal....
a)
to the right
b)
to the left
c)
to both sides
d)
nowhere.... the decimal goes nowhere
196.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0
197.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
198.
How do you write
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
199.
Solve:
(2.1×10​2​​) × (3.0×10​4)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
200.
Solve:
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
201.
Solve:
(9 x 10-6) divided by (3 x 10-3) 
a)
27 x 10-9
b)
3 x 10-3
c)
3 x 10-9
d)
27 x 10-3
202.
Solve:
(2.2 x 10 4) x (7.1x 10 5)
a)
1.562 x 1010
b)
15.62 x 109
c)
15.62 x 1020
d)
1.562 x 1020
203.
Express 23400 in proper scientific notation. 
a)
2.34 x 104
b)
2.3 x 103
c)
2.30 x 105
d)
2.34 x 103
204.
The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
a)
1.54 x 1012 m
b)
1.54 x 10-12 m
c)
1.54 x 1010 m
d)
1.54 x 10-10 m
205.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
206.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
d)
437,560
207.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
208.
How would you write 0.0005 in scientific notation?
a)
50 x 105
b)
5 x 10-4
c)
5 x 103
d)
0.5 x 103
209.
Express the following quantities in scientific notation:  5800 m
a)
5.8 x 103 m
b)
58.00 x 103 m
c)
5800 x 101 m
d)
5.8 x 104 m
210.
0.000 000 45 kg
a)
45 x 106 kg
b)
4.5 x 10-7 kg
c)
0.45 x 10-6 kg
d)
4.5 x 10-6 kg
211.

Write the following in Scientific Notation. Select the correct answer inside the box below.


1.) 150, 000, 000, 000 meter = ____________________ distance of the earth to the sun

a)

1.5 X 10-11

b)

1.5 X 1010

c)

1.5 X 1011

d)

1.05 X 1010

212.

384,400,000 meters = ________________________ distance between the earth and the moon

a)

3.84 X 107

b)

3.844 X 10-8

c)

3.8 X 108

d)

3.844 X 108

213.

4, 543, 000, 000 years = ______________________ age of the earth in years

a)

4.543 X 109

b)

4.543 X 108

c)

4.5 X 109

d)

4.543 X 10-9

214.

7,800, 000, 000 people = _____________________the population on Earth

a)

7.8 X 1010

b)

7.8 X 109

c)

7.8 X 10-9

d)

7.08 X 108

215.

0.000000027 meters = _______________________ diameter of an atom

a)

2.7 X 109

b)

2.7 X 10-8

c)

2.7 X 10-9

d)

2.07 X 10-9

216.

0.0000010 kilometer = _______________________ length of 1 mm

a)

1.0 X 10-7

b)

1.0 X 106

c)

1.0 X 10-5

d)

1.0 X 10-6

217.

0.00000001 meter = ________________________ equivalent to 1 nanometer

a)

1.0 X 108

b)

1.0 X 10-9

c)

1.0 X 10-8

d)

1.0 X 10-7

218.

8760 hours = ________________________________ number of hours in one year

a)

8.76 X 103

b)

8.076 X 103

c)

8.76 X 10-3

d)

8.76 X 102

219.

0.000000000106 nanometer = ________________diameter of a hydrogen atom

a)

1.06 X 1010

b)

1.06 X 10-10

c)

10.6 X 10-11

d)

10.6 X 1011

220.

186,282 miles per second = _________________speed of light in a vacuum

a)

186.282 X 105

b)

1.86282 X 10-5

c)

18.6282 X 104

d)

1.86282 X 105

221.

B. Write the following in decimal notation.


2.3 × 107

(a)  

222.

Write the following in decimal notation.

6.9 × 10-3

(a)  

223.

Write the following in decimal notation.

3.1 × 102

(a)  

224.

Write the following in decimal notation.

2.86 × 10-6

(a)  

225.

Write the following in decimal notation.

7.11 × 10

(a)  

226.

Write the following in decimal notation.

6.25 × 105

(a)  

227.

Write the following in decimal notation.

7.51 × 10-9

(a)  

228.

Write the following in decimal notation.

5.85 × 100

(a)  

229.

Write the following in decimal notation.

4.23 × 10-2

(a)  

230.

Write the following in decimal notation.

5.19 × 107

(a)  

231.
UNDERSTANDING
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
232.
UNDERSTANDING
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
233.

Which is the smallest?

1.3 x 108

2.9 x 1012

9.5 x 10-6

8.4 x 10-6

a)

1.3 x 108

b)

2.9 x 1012

c)

9.5 x 10-6

d)

8.4 x 10-6

234.
Divide:
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
235.
Solve:
(2.1×10​2​​) × (3.0×10​4)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
236.
Solve:
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
237.
Solve:
(9 x 10-6) / (3 x 10-3) 
a)
27 x 10-9
b)
3 x 10-3
c)
3 x 10-9
d)
27 x 10-3
238.
Write the answer in scientific notation.
7.3 x 105  +   3.7 x 105  =
a)
11.0 x 105
b)
1.1 x 1010
c)
1.10 x 1011
d)
1.1 x 10 6
239.
Write the answer in scientific notation.
5 x 108 -   3.4 x 108  =
a)
2.4 x 108
b)
2.4 x 100
c)
1.6 x 100
d)
1.6 x 108
240.
Write the answer in scientific notation.
4.1 x 105 +   5.5 x 106  =
a)
5.91 x 106
b)
9.6 x 105
c)
9.6 x 1011
d)
4.65 x 105
241.
Find the difference
(3.8 x 104) - (2 x 103)
a)
1.8 x 104
b)
1.8 x 101
c)
3.6 x 101
d)
3.6 x 104
242.
Add using scientific notation.
(5.2 x 10⁷) + (3.01 x 10⁴)
a)
8.01 x 10¹¹
b)
8.01 x 10⁷
c)
5.20301 x 10⁷
d)
5.20301 x 10⁸
243.
Write the answer in scientific notation.
4.1 x 105 +   5.5 x 106  =
a)
5.91 x 106
b)
9.6 x 105
c)
9.6 x 1011
d)
4.65 x 105
244.
(2 x 109)(4 x 10-4)
a)
8 x 1013
b)
8 x 1036
c)
8 x 105
d)
8 x 10-36
245.
(5 x 106)(5 x 107)
a)
2.5 x 1012
b)
2.5 x 1014
c)
25 x 1012
d)
25 x 1013
246.
5 x 1012
------------
2 x 106
a)
2.5 x 102
b)
2.5 x 106
c)
3 x 102
d)
2.5 x 1018
247.
2 x 105
----------
8 x 102
a)
2.5 x 104
b)
2.5 x 102
c)
25 x 103
d)
.25 x 103
248.
How would you write -5.6 x 10-3 in standard form?
a)
0.0056
b)
-5,600
c)
0.00056
d)
-0.0056
249.
Multiply:
(3.4 x 105)(1.2 x 10-3)
a)
4.08 x 10-8
b)
4.8 x 102
c)
4.08 x 102
d)
4.08 x 10-15
250.
Multiply:
(9.4 x 106)(3.2 x 105)
a)
30.08 x 1011
b)
3.8 x 101
c)
3.008 x 1012
d)
2.9375 x 101

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