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Number Sense Review

Total questions: 122

Worksheet time: 10hrs 10mins

Name
Class
Date
1.
Which lists all the factors of 15?
a)
1, 7, 8, 15
b)
1, 15
c)
1, 3, 5, 15
d)
3, 5, 15
2.
Which set lists all the factors of 24?
a)
1, 2, 3, 6, 7, 12, 24
b)
1, 2, 3, 4, 6, 8, 12, 24
c)
1, 2, 3, 4, 5, 6, 8, 12, 24
d)
1, 3, 4, 6, 8, 24
3.
Which lists all the factors of 40?
a)
1, 2, 4, 5, 8, 12, 14, 40
b)
1, 2, 3, 4, 5, 8, 10, 40
c)
1, 2, 4, 5, 8, 10, 20, 40
d)
1, 2, 5, 8, 20, 40
4.
All even numbers have which number as a factor?
a)
3
b)
4
c)
2
d)
5
5.
List the first 5 multiples of 3
a)
3, 6 10, 15, 20
b)
1, 3
c)
3, 6, 9, 12, 15
d)
6, 9, 12, 15, 18
6.
A prime number is...
a)
a number that has only one factor.
b)
a number that has at least two factors.
c)
a number that has more than two factors.
d)
a number that has only two factors.
(1 and itself)
7.
List the first 5 multiples of 8
a)
1, 2, 4, 8
b)
8, 16, 25, 32, 40
c)
8, 16, 24, 32, 40
d)
8, 16, 24, 31, 40
8.
What is the next multiple?
12, 24, 36, 48, _____
a)
1
b)
72
c)
60
d)
84
9.
What is the least common multiple (LCM) of 5 and 20?
a)
4
b)
5
c)
20
d)
100
10.
What is the least common multiple (LCM) of 4 and 10?
a)
4
b)
40
c)
15
d)
20
11.
What is the least common multiple (LCM) of 6 and 8?
a)
6
b)
8
c)
48
d)
24
12.
GCF 24 and 36
a)
8
b)
6
c)
12
d)
4
13.
Composite numbers:
a)
Are always bigger than prime numbers
b)
Have more than 2 factors
c)
Have 2 pairs of factors
d)
Don't have factors
14.
Find the prime number.
a)
10
b)
9
c)
7
d)
4
15.
Is 12 prime or composite?
a)
prime
b)
composite
16.
What is the least common multiple (LCM) of 2 and 5?
a)
2
b)
10
c)
20
d)
7
17.

Kelly has 12 tiles to arrange on the wall in a rectangular array. Which of the following could NOT be a way to arrange the tiles?

a)

3 rows of 4 tiles

b)

2 rows of 6 tiles

c)

1 row of 12 tiles

d)

4 rows of 8 tiles

18.
Two people are running around a track at different speeds. One person takes 6 minutes to run around the track. The other person takes 8 minutes. How many minutes into the race will they be at the same place?
a)
24 Minutes
b)
48 Minutes
c)
12 Minutes
d)
16 Minutes
19.
The numbers shown are all multiples of what number? 24, 36, 60, 72, 120
a)
5
b)
8
c)
9
d)
12
20.

Factors are what we _____ together.

a)

add

b)

multiply

21.

The value of a digit in a numeral (how much is the digit worth)

a)

PLACE

b)

VALUE

22.

71,918

What is the PLACE VALUE of the underlined digit?

a)

Ones

b)

Tens

c)

Hundreds

d)

Thousands

e)

Ten Thousands

23.

132,825

What is the PLACE VALUE of the underlined digit?

a)

Ones

b)

Tens

c)

Hundreds

d)

Hundred Thousands

e)

Ten Thousands

24.

749,327

What is the PLACE VALUE of the underlined digit?

a)

Ones

b)

Tens

c)

Hundreds

d)

Hundred Thousands

e)

Ten Thousands

25.

28,176

What is the PLACE VALUE of the underlined digit?

a)

Ones

b)

Tens

c)

Hundreds

d)

Hundred Thousands

e)

Ten Thousands

26.

What is the VALUE of the underlined number?

121,989

a)

20

b)

200

c)

2000

d)

20000

27.

What is the VALUE of the underlined number?

1,567,921

a)

1

b)

10

c)

10,000

d)

1,000,000

28.

What is the VALUE of the underlined number?

2,345,985

a)

30,000

b)

3,000

c)

300,000

d)

3,000,000

29.

The expanded form of 1,354,987 is

1,000,000 + 300,000 + 50,000 + 4,000 + 900 + 80 + 7

a)

TRUE

b)

FALSE

30.

What is the standard form of

10,000 + 3,000 + 500 + 80 + 2

a)

10,3582

b)

13,582

c)

1,358

d)

None of the above

31.
What place is the 9 in?
45,945.06
a)
hundredths
b)
tens
c)
tenths
d)
hundreds
32.
What is the value of the 5 in 72,654.932
a)
tens
b)
50
c)
500
d)
tenths
33.
What place is the 3 in?
3,850.478
a)
thousands
b)
thousandths
c)
3,000
d)
30,000
34.
What place is the 2 in?
4,830.25
a)
ones
b)
tens
c)
.2
d)
tenths
35.
What digit is in the hundredths place?
54,035.926
a)
2
b)
6
c)
0
d)
4
36.
What is the value of the 6 in the number 852.61
a)
tenths
b)
.6
c)
.06
d)
60
37.
What place is the 4 in?
54.732
a)
tenths
b)
ones
c)
tens
d)
thousandths
38.
What place is the 8 in?
6,635.728
a)
thousandths
b)
hundreds
c)
thousands
d)
ones
39.
What digit is in the hundreds place?
64,502.84
a)
4
b)
0
c)
2
d)
5
40.
What is the value of the 3 in 45,939.41
a)
300
b)
30
c)
.3
d)
.03
41.

What place value is the 2 in, in the number 624?

a)

Ones

b)

Tens

c)

Hundreds

d)

Thousands

42.

What place value is the 4 in the number: 854 516 521 735?

a)

hundred millions

b)

millions

c)

billions

d)

ten billions

43.

What digit is in the hundred millions place in 162 548 602 988?

a)

5

b)

6

c)

2

d)

1

44.

What is the value of the digit in red:

762 521 458 123

a)

6 billion

b)

60 million

c)

60 billion

d)

600 billion

45.

How would you write six hundred thirty-two million, twenty-one thousand, six hundred fifty-six in standard form?

a)

632 210 656

b)

632 000 021 656

c)

632 021 656

d)

6 321 656

46.

What is the standard form of the number 8 000 000 000 000 + 500 000 000 000 + 2 000 000 + 700 000 + 10 000 + 6 000 + 300 + 50 + 7

a)

8 527 160 357

b)

852 716 357

c)

8 502 716 357

d)

8 520 716 357

47.

What is the expanded form of the number: 506 810 672

a)

500 000 000 + 00 000 000 + 6 000 000 + 800 000 + 10 000 + 0 000 + 600 + 70 + 2

b)

500 000 000 + 600 000 + 80 000 + 1 000 + 600 + 70 + 2

c)

500 000 + 6 000 + 80 000 + 10 000 + 600 + 70 + 2

d)

500 000 000 + 6 000 000 + 800 000 + 10 000 + 600 + 70 + 2

48.

What is the place value of the underlined digit?

26 732

a)

Ones

b)

Tens

c)

Hundreds

d)

Thousands

49.

What is the value of the underlined digit?

2 986 708

a)

2 000 000

b)

20 000

c)

20 000 000

d)

200

50.

Which shows 4 876 206 in expanded form?

a)

4 876 206

b)

Four million, eight hundred seventy-six thousand, two hundred six

c)

4 000 000 + 800 000 + 70 000 + 6 000 + 200 + 6

51.

What is standard form?

a)

a number written as the sum of the values of its digits

b)

a number in written form

c)

a number written in a way that shows only its digits

52.

What is word form?

a)

a number written as the sum of the values of its digits

b)

a number in written form the way you would say it

c)

a number written in a way that shows only its digits

53.
How many tens are in 85?
a)
80
b)
8
c)
5
d)
85
54.

How many trillions are in 845 624 125 632 456

a)

5

b)

5 000 000 000 000

c)

50

d)

500

55.

Which number is greater?


a) 152 684 521

b) 157 126 321

a)

a

b)

b

56.

Order the numbers from LEAST to GREATEST


a) 584 123 654


b) 1 254 865 263


c) 1 254 798 152


d) 165 845 865

a)

a, b, c, d

b)

c, b, a, d

c)

b, c, a, d

d)

d, a, c, b

57.

5x(6-3)

a)

19

b)

27

c)

15

d)

23

58.
14 + (22 - 2) =
a)
34
b)
37
c)
40
59.
20 x 2 - (10 - 4)
a)
22
b)
30
c)
34
60.
(2 x 5) + 18
a)
48
b)
20
c)
28
61.
Solve:
(32 ÷ 8) + 27 - 11
a)
10
b)
20
c)
30
62.
Which operation is performed FIRST?
(13 - 1) + 4
a)
addition
b)
subtraction
c)
multiplication
63.
Which operation is performed SECOND?
(13 - 1) + 4
a)
addition +
b)
subtraction -
c)
multiplication X
64.
Which operation is performed FIRST?
25 x (3-1)
a)
multiplication
b)
subtraction
c)
division
65.
Which operation is performed SECOND?
44 ÷ 2 X (3 -1)
a)
muliplication X
b)
division ÷
c)
subtraction -
66.
Which operation is performed SECOND :
38 + (9 x 6) ÷ 3
a)
multiplication
b)
addition
c)
division
67.

What is the first step in PEMDAS?

a)

Paragraph

b)

Parentheses

c)

Pages

d)

People

68.

16 ÷ 4 + 14 =

a)

34

b)

18

c)

10

d)

2

69.

7 - 4 + 4 =

a)

15

b)

17

c)

1

d)

7

70.
True or false:
Addition ALWAYS comes before subtraction.
a)
True
b)
False
71.
12 - 4 x 2 = 
a)
16
b)
4
c)
8
d)
18
72.
Compare:  18  ?  23
a)
>
b)
<
c)
=
73.
Compare:  -3  ?  -5
a)
>
b)
<
c)
=
74.
Monday's temperature was -3°F and Tuesday's was -5°F. Which day was colder? 
a)
neither they were equal 
b)
Monday 
c)
Tuesday 
d)
Friday 
75.
Negative integers are ____ than zero 
a)
greater 
b)
equal 
c)
less 
d)
bigger
76.
Positive integers are ____ than zero 
a)
greater 
b)
equal 
c)
less 
d)
smaller 
77.
Order from least to greatest:
[10, -5, 3, 16, -1, 0, 1]
a)
-1, -5, 0, 1, 3, 10, 16
b)
16, 10, 3, 1, 0, -1, -5
c)
-5, -1, 0, 1, 3, 10, 16
d)
0, -1, 1, 3, -5, 10, 16
78.
Order from least to greatest:
[8, 4, -5, 12, -14, 3]
a)
3, 4, -5, 8, 12, -14
b)
-14, -5, 3, 4, 8, 12
c)
12, -14, -5, 3, 4, 8
d)
-5, -14, 3, 4, 8, 12
79.
List the integers graphed on the number line from least to greatest.
a)
-4, 0, 2, 5
b)
-5, -4, -3, -2, -1
c)
-5, -3, 0, 3, 5
d)
5, 2, 0, -4
80.
What integer would represent this real life situation? 
The temperature rose 5 degrees. 
a)
-5
b)
0
c)
5
d)
10
81.

What is the opposite of 0?

a)

Positive 0

b)

Negative 0

c)

There is no opposite of 0

82.

Which integer represents the following sentence: Jacob deposited $75 into the bank.

a)

$75

b)

-$75

c)

$50

d)

-$50

83.
Compare:  18  ?  23
a)
>
b)
<
c)
=
84.
Compare:  18  ?  23
a)
>
b)
<
c)
=
85.

A loss of ten yards

a)

+10

b)

-10

86.

A gain of ten dollars.

a)

-10

b)

+10

87.

Select all scenarios that represent negative numbers.

a)

A withdraw of 8 dollars.

b)

A deposit of 8 dollars.

c)

A debt of 10 dollars.

d)

A credit of 10 dollars.

88.

Select all scenarios that represent positive numbers.

a)

A withdraw of 8 dollars.

b)

A deposit of 8 dollars.

c)

A debt of 10 dollars.

d)

A credit of 10 dollars.

89.

Write the Integer:


It is 10 degrees below zero today.

(a)  

90.

Write the integer:


It is 78 degrees outside today.

(a)  

91.

Which scenario represents - 9.

a)

At sea level

b)

9 feet above sea level

c)

9 feet below sea level

92.

Select all positive integers

a)

20 degrees above 0.

b)

I owe my mom $20

c)

I grew 5 inches

d)

I earned $20 doing chores

93.

Write the integer:


I am in debt $100

(a)  

94.

He gained 15 yards on the pass play.

(a)  

95.

The scuba diver went 10 feet below sea level and then rose up 2 feet. What integer represents the divers location?

a)

-12

b)

-10

c)

-8

d)

8

e)

-6

96.
A prime number is...
a)
a number that has only one factor.
b)
a number that has at least two factors.
c)
a number that has more than two factors.
d)
a number that has only two factors.
(1 and itself)
97.
Which set lists all the factors of 24?
a)
1, 2, 3, 6, 7, 12, 24
b)
1, 2, 3, 4, 6, 8, 12, 24
c)
1, 2, 3, 4, 5, 6, 8, 12, 24
d)
1, 3, 4, 6, 8, 24
98.
All even numbers have which number as a factor?
a)
3
b)
4
c)
2
d)
5
99.
Which of these statements is true?
a)
All numbers have 4 factors.
b)
2 is a factor of every number.
c)
1 is a factor of every number.
d)
All odd numbers have an odd number of factors.
100.
A prime number is...
a)
a number that has only one factor.
b)
a number that has at least two factors.
c)
a number that has more than two factors.
d)
a number that has only two factors.
(1 and itself)
101.
Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
102.
List the first 5 multiples of 8
a)
1, 2, 4, 8
b)
8, 16, 25, 32, 40
c)
8, 16, 24, 32, 40
d)
8, 16, 24, 31, 40
103.
Is 2 a prime or composite number?
a)
Prime
b)
Composite
104.
Is 35 prime or composite?
a)
prime
b)
composite
105.
Maya had 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flower in each bouquet.  What is the greatest number of bouquets that she can make?
a)
4
b)
2
c)
48
d)
8
106.
At Kentucky Fried Chicken, the kitchen staff baked 96 chicken legs and 144 thighs.  The staff had to prepare platters for an office lunch.  If each platter will have the same number of legs and thighs, what is the greatest number of platters they can make?
a)
48
b)
2
c)
4
d)
16
107.
Bella is making identical balloon arrangements for a party. She has 32 maroon balloons, 24 white
balloons, and 16 orange balloons. She wants each arrangement to have the same number of each
color. What is the greatest number of arrangements that she can make if every balloon is used?
a)
32
b)
192
c)
4
d)
8
108.
At the movie theater, they give out a free drink to every 75th customer and a free bag of popcorn to every 30th customer. Who is the first customer that is going to win both free items?
a)
16th customer
b)
150th customer
c)
300th customer
d)
180th customer
109.
Tanner goes to  karate class every 12 days and too the library every 18 days. On December 1st he went to both class and the library. On what date will he do both class and go to the library?
a)
24 days
b)
36 days
c)
42 days
d)
52 days
110.
A radio station is giving away a $100 bill to every 30th caller and movie tickets to every 40th caller.  Which caller will be the first to win both prizes?
a)
5
b)
2
c)
10
d)
120
111.
Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?
a)
48 seconds
b)
45 seconds
c)
16 seconds
d)
3  seconds
112.
Lisa is making activity baskets to donate to charity.  She has 12 coloring books and 36 crayons.  What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets?
a)
2
b)
12
c)
36
d)
6
113.
Which number below is a prime number?
a)
9
b)
8
c)
7
d)
12
114.
Which number below is a composite number?
a)
16
b)
17
c)
23
d)
29
115.
Which list has only prime numbers?
a)
2, 3, 4, 5
b)
1, 5, 7, 9
c)
2, 3, 5, 7
d)
2, 4, 6, 8
116.

What are the prime factors of 27?

a)

3x3x3

b)

3x2x3

c)

3x3x4

117.

Find the prime factors of 45.

a)

5x9

b)

3x15

c)

3x3x5

118.

Find the prime factorization of 56.

a)

2x2x2x7

b)

2x28

c)

3x3x7

119.

Complete the factor tree to find the prime factorization of 9.

a)

9 = 3 x 3

b)

9 = 9 x 1

c)

9 = 9 x 9

120.
a)

18 = 2 x 2 x 3

b)

18 = 2 x 9

c)

18 = 2 x 3 x 3

121.

Find the prime factorization of 30.

a)

30 = 5 x 6

b)

30 = 2 x 3 x 5

c)

30 = 2 x 3 x 6

122.
a)

56 = 7 x 2 x 2 x 2 x 2

b)

56 = 7 x 232^3  

c)

56 = 7 x 2 x 2 x 2

d)

56 = 7 × 247\ \times\ 2^4  

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