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Week 06 Quizizz

Total questions: 134

Worksheet time: 14hrs 42mins

Name
Class
Date
1.

Identify the constant of proportionality.

a)

k = 2

b)

k = 3

c)

k = 1.50

d)

k = 2/3

e)

none (not proportional)

2.
What is the constant of proportionality? 
a)
45 mph
b)
90 mph
c)
135 mph
d)
2 mph
3.

What is the constant of proportionality?

a)

2 swings / 1 day

b)

0.5 swings / 1 day

c)

4 swings / 1 day

d)

None of the above

4.

Find the constant proportionality of 624 calories in 3 servings.

a)
1,872 calories per serving
b)
208 calories per serving
c)
624 calories per serving
d)
621 calories per serving
5.

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality in dollars per hour? 

a)

$37 / hour

b)

$64.75 / hour

c)

$9.25 / hour

d)

$18.50 / hour

6.
What is the constant of proportionality for the following graph?
a)
80
b)
20
c)
40
d)
160
7.

Identify the constant of proportionality.

a)

k = 5

b)

k = 1/5

c)

k = 1

d)

k = 2.5

e)

none (not proportional)

8.
What is the constant of proportionality? 
a)
4
b)
1/4
c)
8
d)
1/8
9.

The Williams family bought four concert tickets for $252.  What was the price per ticket?

a)

$62.00

b)

$6.30

c)

$63.00

d)

$60.00

10.

What is the constant of proportionality for the table above?

a)

X=4

b)

X=3

c)

X=1/2

d)

No C.O.P

11.
y=kx.  What does the k represent?
a)
constant of proportionality
b)
multiplier
c)
scale factor
d)
all of these are correct
12.
Which statement below accurately represents the graph?
a)
$100 is earned for each hour worked
b)
$200 earned for every 2 hours worked
is the unit rate
c)
$500 is earned for every 8 hours worked
d)
$300 is earned after working 4 hours
13.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
14.
The constant of proportionality can be found by finding the __________  _____________.
a)
unit rate
b)
ratio rate
c)
proportion answer
d)
rational number
15.
The constant of proportionality in the equation y = ½x is _______. 
a)
x
b)
y
c)
1/2
d)
2
16.
A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.
a)
11 cents
b)
12 cents
c)
13 cents
d)
10 cents
17.
If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?
a)
$2.45
b)
$4.00
c)
$7.25
d)
$1.25
18.
A proportional relationship can be written as an equation in the form ____ = _____  _____
a)
y = k+x
b)
y = k-x
c)
y = kx
d)
y = k/x
19.
Determine the constant of proportionality.
a)
5
b)
0.2
c)
1
d)
1.4
20.
What is the constant of proportionality? 
a)
5
b)
1/5
c)
10
d)
2
21.
What is the constant of proportionality? 
a)
20
b)
4
c)
1/5
d)
5
22.
What is the constant of proportionality? 
a)
6
b)
3
c)
2
d)
1/2
23.
What is the constant of proportionality? 
a)
15
b)
2/15
c)
7.5
d)
2
24.
What is the constant of proportionality?
a)
4
b)
12
c)
3
d)
1/3
25.
What is the constant of proportionality?
a)
7
b)
3.3
c)
3/10
d)
14
26.
What is the constant of proportionality? 
a)
12
b)
50
c)
4
d)
12.5
27.
What is the constant of proportionality? 
a)
4
b)
5
c)
1/4
d)
20
28.
What is the constant of proportionality? 
a)
1/15
b)
2
c)
30
d)
15
29.
What is the constant of proportionality? 
a)
4
b)
2
c)
1/4
d)
-4
30.
What is the constant of proportionality? 
a)
1
b)
6
c)
1/6
d)
2
31.
What is the constant of proportionality? 
a)
3
b)
10
c)
30
d)
1/10
32.
What is the constant of proportionality? 
a)
1/3
b)
3
c)
5
d)
10
33.
What is the constant of proportionality? 
a)
1/3
b)
5
c)
15
d)
3
34.
What is the constant of proportionality? 
a)
28
b)
35
c)
38
d)
26
35.
What is the constant of proportionality? 
a)
7
b)
2
c)
8
d)
1/2
36.
What is the constant of proportionality? 
a)
2
b)
48
c)
18
d)
16
37.
What is the constant of proportionality? 
a)
7
b)
12
c)
1
d)
15
38.
What is the constant of proportionality? 
a)
45 mph
b)
90 mph
c)
135 mph
d)
2 mph
39.
What is the constant of proportionality? 
a)
4
b)
1/4
c)
8
d)
1/8
40.
200 children attended the school play. Of the total attendance, 40% were boys. How many girls attended the school play?
a)
800
b)
180
c)
80
d)
120
41.
Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?
a)
24%
b)
20%
c)
11%
d)
50%
42.
75 people to 25 people
a)
Increase
b)
Decrease 
43.
68 miles to 42.5 miles
a)
Increase
b)
Decrease
44.
Find the PERCENT of change.
20 dogs to 5 dogs
a)
Decrease 15%
b)
Increase 15%
c)
Increase 75%
d)
Decrease 75%
45.
Find the PERCENT of Change.
The original cost was $50 and the new cost is $60. 
a)
Increase 20%
b)
Increase 16.67%
c)
Increase $10
d)
Decrease $10
46.
Find the percent of change if the original cost was $5 and the new cost is $1. 
a)
Increase $4
b)
Decrease $4
c)
Decrease 80%
d)
Decrease 400%
47.
Last week, you finished level 2 of a video game in 32 minutes. Today, you finished level 2 in 28 minutes. What is your percent of change?
a)
Increase 12.5%
b)
Decrease 12.5%
c)
Increase 4%
d)
Decrease 4%
48.
One week, 72 people got a speeding ticket. The next week, only 36 people got a speeding ticket. What is the percent of change in the speeding tickets?
a)
Increase 50%
b)
Decrease 50%
c)
Increase 1%
d)
Decrease 1%
49.

A team of biologists used population sampling to determine that there are currently 350 chameleons living in a particular ecosystem. That same ecosystem had a population of 580 chameleons three years ago. Which is closest to the percent decrease in the chameleon population?

a)

230%

b)

40%

c)

66%

d)

28%

50.

A group of wildlife conservationists are trying to determine what is causing a recent decrease in the number of white-tail deer in a particular area. Two years ago, they estimated the population to be 680. Recently, the population was estimated to be 410. Which is closest to the percent of change in the white-tail deer population?

a)

40%

b)

66%

c)

270%

d)

54%

51.

Bald eagles have made an amazing recovery from the brink of extinction. In the mid-1960s, there were only 450 breeding pairs in the lower 48 states. Since that time, the bald ealges have made a comeback due to habitat restoration. There are now about 10,000 breeding pairs in the lower 48 states. By about what percent has the number of bald eagle breeding pairs increased?

a)

54%

b)

95%

c)

10%

d)

2,122%

52.

Bees are responsible for the pollinaton that leads to the production of 1/3 of all our food. Sadly, the number of hives has declined drastically in recent years. In Central Texas, the number of hives has dropped from 276 to 125 in the last ten years. Which is closest to the percent decrease in the number of bee hives in central Texas?

a)

55%

b)

151%

c)

120%

d)

90%

53.

Marine biologists who have been studying the great white shark population off the coast of California have discovered that the number of great white shark sightings in areas commonly frequented by beach-goers have increased dramatically over the last 10 years. In 2000, there were 17 sightings of great white sharks. In 2010, there were 32 sightings of great white sharks. Which is the best estimate of the percent change in the number of great white shark sightings?

a)

15%

b)

88%

c)

47%

d)

24%

54.

The TV you bought was $900 and the sales tax was 10%, what was the total cost of the TV.

a)

$900

b)

$990

c)

$810

d)

$1035

55.

The shirt that you bought was $20. The sales tax was 15%, what was the final price?

a)

$20

b)

$22

c)

$23

d)

$17

56.

The pair of pants at Moore's is $80, and the sales tax is 20%. Calculate the final price.

a)

$96

b)

$100

c)

$80

d)

$74

57.

The new Nintendo game costs $70. The sales tax was 5%, what was the total cost?

a)

$66.50

b)

$70

c)

$75

d)

$73.50

58.

The new Samsung 9 phone costs $500, and has a sales tax of 15%. What is the final price?

a)

$500

b)

$575

c)

$515

d)

$550

59.

Tickets to Wrestlemania cost $600. The sales tax is 30%, what is the final price?

a)

$660

b)

$600

c)

$630

d)

$780

60.

The new car costs $30 000, and has a sales tax of 15%. What is the final price?

a)

$30 000

b)

$45 000

c)

$39 000

d)

$34 500

61.

The Ipad costs $850, and has a sales tax of 11%. What is the final cost?

a)

$850

b)

$875

c)

$943.50

d)

$950

62.
Myron won $33,000 on a game show in California where the state tax rate is 7.25%. How much did he walk away with? 
a)
$27,783
b)
$30,607.50
c)
$31,893.55
d)
$29,333.65
63.
What is the total cost with sales tax?
Price $17.95
Tax 6%
a)
$19.03
b)
$18.50
c)
$1.08
d)
$2.15
64.

You order a meal for $40.84. What is the TOTAL COST if you leave a 20% tip?

a)

$8.17

b)

$49.01

c)

$40.84

d)

$9.17

65.
Sam bought an $85.00 jacket for 40% off of the regular price.  How much did he pay for the jacket? 
a)
75
b)
51
c)
36
d)
isaiah
66.
Sam bought an $85.00 jacket for 40% off of the regular price.  How much did he pay for the jacket? 
a)
75
b)
51
c)
36
d)
isaiah
67.
A bracelet that regularly sells for $44 is on sale for 25% off. Find the sale price of the bracelet.
a)
17.38
b)
11.50
c)
11.00
d)
15.60
68.
A discounted price means the price has
a)
decreased
b)
increased
69.
A pair of jeans costs $34.00.  You have a coupon for 30% off the regular price. What is the new price of the jeans after you use your coupon?
a)
$10.20
b)
$23.80
c)
$31.00
d)
$44.20
70.
Find the discount price
Original price:  $18.00
Discount:  10%
a)
$1.80
b)
$16.20
c)
$17.50
d)
$15.30
71.
There are two incentives listed in the table to buy a tablet. Which is the better incentive to buy the tablet and what is the savings?
 Incentive 1 - $299 15% Rebate
Incentive 2 - $299 $40 Coupon
a)
incentive 1; $4.85
b)
incentive 2; $4.85
c)
incentive 1; $4.15
d)
incentive 2; $4.15
72.
Discount is ____________ from the price.
a)
added
b)
divided
c)
subtracted
d)
multiplied
73.

Cheap Cell: Only $159! Plus a 15% instant rebate!


Cells for Less: Regular Price = $150. Now on sale for $125!


Which is the best incentive for buying the cell phone, and how much do you save by purchasing a phone at that store?

a)

Cheap Cell has the better incentive, a savings of $25.00.

b)

Cells for Less has the better incentive, a savings of $22.50.

c)

Cheap Cell has the better incentive, a savings of $22.50.

d)

Cells for Less has the better incentive, a savings of $25.00.

74.
There are two incentives listed in the table to buy a tablet. Which is the better incentive to buy the tablet and what is the savings?
 Incentive 1 - $299 15% Rebate
Incentive 2 - $299 $40 Coupon
a)
incentive 1; $4.85
b)
incentive 2; $4.85
c)
incentive 1; $4.15
d)
incentive 2; $4.15
75.
Find the cost if the coupon is used:
Cereal is priced marked at $3.49. You have coupon value of 15¢.
 
What would be the final cost of the cereal?
a)
$3.34
b)
$3.00
c)
$3.12
d)
$4.00
76.
Find the cost if the coupon is used:
Soup mix is priced marked at $1.19. You have coupon value of 15¢.

What would be the final cost of the soup mix?
a)
$1.01
b)
$1.00
c)
$1.20
d)
$1.04
77.

-10+4

a)

-14

b)

14

c)

-6

d)

6

78.

18 - (-4)

a)

-22

b)

4

c)

22

d)

-4

79.

Savannah's discovered an error in her checkbook register and recalculated her balance. She determined that she was overdrawn. Her balance in her checking account was –$638.57. Savannah had saved two of her paychecks, each in the amount of $298.40, for a special occasion. If Savannah deposited both checks in her checking account, what would be Savannah’s new balance?

a)

-41.77

b)

-14.85

c)

45.68

d)

40.60

80.

James and his friend both started a part-time job at the Swimming Hole earning $8 per hour. James worked 10 1/2 hours his first week. James agreed to pay his friend

10% of his salary for reimbursement of gas. How much money did James pay his friend for gas?

a)

$4.25

b)

$8.40

c)

$6.75

d)

$9.20

81.
Classify the Number: -23
a)
Rational
b)
rational, integer
c)
integer
d)
rational, whole
82.
Classify the Number: 120
a)
Whole, integers rational
b)
rational
c)
whole
d)
Whole, integer
83.
How would 5/9 be classified?
a)
rational 
b)
whole and integer
c)
only integer
d)
only whole
84.
-9 is an integer?
a)
True
b)
False
85.
0.89 is a rational number?
a)
True
b)
False 
86.
a)

Yes

b)

No

87.
a)

Yes

b)

No

88.

Classify the number

CHOOSE ALL THAT APPLY


-20

a)

positive number

b)

whole number

c)

integer

d)

rational number

89.

Classify the number

CHOOSE ALL THAT APPLY


3/4

a)

negative number

b)

whole number

c)

integer

d)

rational number

90.

An example of a whole number is:

a)

4/9

b)

-9

c)

5.2

d)

17

91.

Which of the following is NOT an integer?

a)

0

b)

1.57

c)

-6

d)

10

92.
The numbers 0, 1, 2, 3, ... are called
a)
whole numbers
b)
integers
c)
rational numbers
d)
natural numbers
93.
Numbers like -3, -2, -1, 0, 1, 2, 3 are called
a)
whole numbers
b)
integers
c)
rational numbers
d)
natural numbers
94.
A rational number can be written as a fraction.
a)
True
b)
False
95.
-10 is a whole number
a)
True
b)
False
96.
0.8 is a rational number
a)
True
b)
False
97.
0 is a whole number
a)
True
b)
False
98.
-9 is an integer
a)
True
b)
False
99.
6 is a rational number
a)
True
b)
False
100.
-3.5 is an integer
a)
True
b)
False
101.
-3.5 is an integer
a)
True
b)
False
102.
Classify 3
a)
Natural, Whole, Integer, Rational
b)
Whole, Rational
c)
Integer
d)
Rational
103.
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
104.
Does this graphic organizer correctly group the numbers?
a)
Yes
b)
No
105.
Explain the error
a)
-1.2 isn't an integer.
b)
-2 isn't a whole number and 3.4 isn't a rational number.
c)
-2 isn't a whole number and -1.2 isn't an integer.
d)
The numbers are graphed correctly.
106.
Where would you place -6?
a)
In the whole number circle because it's a whole number, integer, and rational number.
b)
In the integer circle because it's an integer and rational number only.
c)
In the rational circle because it's only a rational number.
d)
I'm not sure because I don't know what rational means.
107.
Does the graphic organizer correctly group the numbers?
a)
Yes
b)
No
108.
Classify the number: 10/2
a)
Rational only
b)
Rational and Integer
c)
Whole Number, Integer, and Rational
d)
Whole Number and Integer only
109.
| –3 |
a)
3
b)
-3
c)
0.30
d)
30
110.
What's a way to define absolute value?
a)
The value of a number
b)
The opposite of a number
c)
The distance of a number from zero
d)
The multiplicative inverse of a number
111.
Which has the same absolute value as -55?
a)
0
b)
-1
c)
1
d)
55
112.
what is the absolute value of -|24|? 
a)
-24
b)
24
c)
98
d)
11
113.
What is the opposite of 2/3
a)
-2/3
b)
2/3
c)
0
d)
0.3
114.

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

a)

$8 per pound

b)

$35 per pound

c)

$5 per pound

d)

$0.125 per pound

115.

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

a)

$.50 per pound

b)

$1.25 per pound

c)

$3 per pound

d)

$2.50 per pound

116.

A cashier at the grocery store rung up 2 customers in 8 minutes. At this rate, how many customers can he ring up in 30 minutes?

a)

16 customers

b)

10.5 customers

c)

7.5 customers

d)

14 customers

117.

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

a)

400 miles

b)

325 miles

c)

575 miles

d)

650 miles

118.

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

a)

$3.60

b)

$3.55

c)

$3.40

d)

$3.50

119.

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

a)

The 12-pack

b)

The 6-pack

c)

They're the same

d)

Neither, I prefer Coke

120.

You're throwing a party, and you ordered 15 pizzas for your guests. Your total came to $97.50. What was your unit cost per pizza?

a)

$4.95 per pizza

b)

$5.75 per pizza

c)

$7.25 per pizza

d)

$6.50 per pizza

121.

A rate is a ratio that compares

a)

A part to a part

b)

A part to a whole

c)

Quantities with different units

d)

Quantities with the same units

122.
Harry mowed eight lawns and earned $96. How much did he earn for each lawn?
a)
$96
b)
$12
c)
$768
d)
$8
123.
Water flows from a faucet at a rate of 5 gallons every 25 seconds. At this rate, how many gallons will flow from the faucet in 45 seconds?
a)
9 gallons
b)
5 gallons
c)
11 gallons
d)
40 gallons
124.
A machine can pack 70 boxes of spaghetti in 5 minutes. At this rate, how many boxes can they pack in 8 minutes.
a)
35 boxes
b)
14 boxes
c)
112 boxes
d)
560 boxes
125.
Which is the "better buy"?  A 12 ounce can of corn for $1.92 of  a 20 ounce can of corn for $3.00?
a)
They are the same
b)
The  20 ounce can
c)
The 12 ounce can
126.
An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.
a)
8 pack
b)
12 pack
127.
The car travels 440 miles in 8 hours. What is the unit rate?
a)
12 miles in 1 hour
b)
55 miles in 1 hour
c)
110 miles in 1 hour
d)
44 miles in 1 hour
128.
It snowed 14 inches in 5 hours. What is the unit rate?
a)
3 inches
b)
1.5 inches
c)
5 inches
d)
2.8 inches
129.
Mr. Keys made $90 in 5 hours.  What is the unit rate?  
a)
$18 per hour
b)
$1 in 18 hours
c)
$90:5h
d)
5 to 90
130.
Mrs. Nuckels used 3 cups of flour to make 60 cookies.  How many cups of flour did she use to make 90 cookies?
a)
6 c.
b)
30 c.
c)
4 1/2 c.
d)
5 c.
131.
Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?
a)
$30
b)
$20
c)
$60
d)
$10
132.
When are unit rates useful? Choose the best answer.
a)
When you want to subtract a number by another.
b)
When you want to multiply one number by another.
c)
When you want to compare prices.
d)
When you want to figure out the probability of a number.
133.
Solve the proportion below:
a)
3
b)
24
c)
21
d)
12
134.
If Justin can type 408 words in 4 minutes, how many words can he type per minute?
a)
102 words per minute
b)
100 words per minute
c)
400 words per minute
d)
412 words per minute

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