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CA1 Revision

Total questions: 110

Worksheet time: 6hrs 47mins

Name
Class
Date
1.
You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
a)
$8 per pound
b)
$5 per pound
c)
$35 per pound
d)
0.125 pounds per dollar
2.
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
3.
150 grams of fertilizer is required for a land area of 6 square acres.  At this rate, how many grams of fertilizer is needed for 13 square acres?
a)
25 grams
b)
300 grams
c)
325 grams
d)
310 grams
4.
Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?
a)
$50 per hour
b)
$12 per hour
c)
$192 per hour
d)
$25 per hour
5.
You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?
a)
$8 per pound
b)
$5 per pound
c)
$35 per pound
d)
0.125 pounds per dollar
6.
Jack jumps 40 times per 4 minutes.  How many times does he jump per 1 minute?
a)
5
b)
10
c)
40
d)
36
7.
20 sticker cost $1.  How much does each sticker cost?
a)
$.20
b)
$.10
c)
$.05
d)
$.01
8.
The store was selling 4 chocolate bars for $2.00. How much would one chocolate bar cost?
a)
$1.00 per bar
b)
$2.00 per bar
c)
$0.50 per bar
d)
$0.25 per bar
9.

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

a)

16 customers per hour

b)

12 customers per hour

c)

20 customers per hour

d)

15 customers per hour

10.

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

11.

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

a)

408 words per minute

b)

100 words per minute

c)

400 words per minute

d)

102 words per minute

12.

If Maya makes $10 an hour at her after school job, how many hours will it take her to earn $150?

a)

10 hours

b)

1.5 hours

c)

15 hours

d)

20 hours

13.

A unit rate is a rate in which the unit in the denominator is:

a)

0

b)

3

c)

1

d)

2

14.
Which rate is equivalent to $9 per hour?
a)
$27 in 3 hours
b)
$28 in 4 hours
c)
$33 in 3 hours
15.
Which rate is equivalent to 6 miles per gallon?
a)
30 miles to 6 gallons
b)
24 miles to 8 gallons
c)
18 miles to 3 gallons
16.

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

17.

The Williams family bought 4 concert tickets for $148. What was the price per ticket?

a)

$40

b)

$37

c)

$32

d)

$20

18.
Does the table represent a proportional relationship?
a)
yes
b)
no
19.
Does the table represent a proportional relationship?
a)
yes
b)
no
20.
Does the table represent a proportional relationship?
a)
yes
b)
no
21.
Does the graph represent a proportional relationship?
a)
yes
b)
no
22.
Does the graph represent a proportional relationship?
a)
yes
b)
no
23.
Does the graph represent a proportional relationship?
a)
yes
b)
no
24.
Which equation represents a proportional relationship?
a)
y = x + 3
b)
y = x - 9
c)
y = 7x
d)
y = 4x + 1
25.
Which equation represents a proportional relationship?
a)
y = x/2
b)
y = 10 + x
c)
y = 14 - x
d)
y = 5x + 8
26.
Which equation DOES NOT represent a proportional relationship?
a)
y = 11x
b)
y = x/4
c)
y = 1/2 x
d)
y = x + 3
27.
Are the following ratios proportional?
8/10, 28/35
a)
yes
b)
no
28.
Are the following ratios proportional?
21/30, 56/80
a)
yes
b)
no
29.
Write an equation for this relationship.
a)
y=1/5x
b)
y=1/2x
c)
y=2x
d)
y=5x
30.
Which line shows a proportional relationship between x and y?
a)
Line L
b)
Line M
31.
What is the unit rate in this proportional relationship?
a)
60 miles/1 hour
b)
120 miles/ 2 hours
c)
1 mile/ 1 hour
32.
Which statement best describes the relationship between x and y in the table?
a)
Proportional
b)
Not Proportional
33.
What makes a graph proportional?
a)
Straight Line
b)
The line goes through (0,0)
c)
Curvy line
d)
Straight line and passes through (0,0)
34.
Is the graph proportional or non proportional?
a)
proportional
b)
non proportional
35.
Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?
a)
$12
b)
$1.50
c)
$3
d)
$1
36.
What is the constant of proportionality?
a)
15
b)
5
c)
75
d)
25
37.
What is the constant of proportionality (in miles per hour) based on the table?
a)
45
b)
90
c)
135
d)
2
38.
Which equation matches the graph?
a)
y = 8x
b)
y = 1x
c)
y = 3x
d)
y = 16x
39.
What is the unit rate in this proportional relationship?
a)
60 miles/1 hour
b)
120 miles/ 2 hours
c)
1 mile/ 1 hour
40.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
41.
A store sees 120 customers in 8 hours. What is the constant of proportionality?
a)
16 customers per hour
b)
15 customers per hour
c)
12 customers per hour
d)
20 customers per hour
42.
The constant of proportionality can be found by finding the __________  _____________.
a)
unit rate
b)
ratio rate
c)
proportion answer
d)
rational number
43.
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
44.
What is the equation y=kx for the table?
a)
y=1/3x
b)
y=3x
c)
y=5x
d)
y=1/5x
45.
Is this table proportional?
a)
Yes
b)
No
46.
Which one is correctly written ratio sentence for the constant in the equation: W = 2c. 
a)
For every 2 watermelons, there is 1 child.
b)
W = watermelon and c=children
c)
For every 2 children, there is 1 watermelon. 
d)
Every child gets a watermelon.
47.
What is a Ratio?
a)
A comparison of two quantities 
b)
To multiply two fractions 
c)
A number over another number
d)
Two decimals that can be multiplied
48.

Find 250% of 25

(a)  

49.

9 is 45% of what number?

(a)  

50.

Find the percent of change from 10 inches to 14 inches.

(a)  

51.

Find the percent of change from 48 to 36.

(a)  

52.

Find the percent of change from $52 to $125. Round your answer to the nearest whole percent.

(a)  

53.

Tickets to IMG World of Adventures are AED 100. The price is going to increase on January 1. What is the percent of change if the cost increases to a AED 120?

a)

25%

b)

20%

c)

18%

d)

50%

54.

The Polar Express movie is AED 13 and it will be on sale for AED 9.What is the percent of change if the cost decreased AED 4?

a)

15%

b)

10%

c)

31%

d)

32%

55.

Find the PERCENT of Change.

The original cost was AED 50 and the new cost is AED 60.

a)

Increase 20%

b)

Increase AED 10

c)

Decrease AED 10

d)

Increase 16.67%

56.

Mr Ritu had 27 students in his class last year and this year he has 30 students in his math class. What is the percent of change?

a)

24%

b)

20%

c)

11%

d)

50%

57.

Find the percent of change if the original cost was AED 5 and the new cost is AED 1.

a)

Increase AED 4

b)

Decrease AED 4

c)

Increase 80%

d)

Decrease 80%

58.

What is 5% written as a decimal?

a)

0.05

b)

0.5

c)

5

d)

50

59.

Do the ratios form a proportion?

 824,515\frac{8}{24},\frac{5}{15}  

a)

Yes, they form a proportion.

b)

No, they do not form a proportion.

60.

Solve the proportion:

 27=x28\frac{2}{7}=\frac{x}{28}  

a)

10

b)

14

c)

4

d)

8

61.
0.1 as a percent
a)
1%
b)
10%
c)
100%
d)
1/10
62.
1/5 as a decimal
a)
0.5
b)
0.2
c)
0.15
d)
20%
63.

Tax is a percentage of the cost that is __________ to the total

a)

Added

b)

Subtracted

c)

Multiplied

d)

Divided

64.

Discount is a percentage of the cost that is __________ from the total

a)

Added

b)

Subtracted

c)

Multiplied

d)

Divided

65.

Tip is a percentage of the cost that is __________ to the total

a)

Added

b)

Subtracted

c)

Multiplied

d)

Divided

66.

A water bottle costs $9.45. Sales tax is 7%. What is the total cost?

a)

$9.52

b)

$0.66

c)

$10.11

d)

$8.79

67.

A baseball bat cost $28. There is a 25% discount. What is the total cost?

a)

$3.00

b)

$7.00

c)

$21.00

d)

$35.00

68.

A new jacket costs $32.70. The discount is 30%. What is the new total cost?

a)

$9.81

b)

$32.40

c)

$22.89

d)

$42.51

69.
How much would the tip be if you left 18% on a $75.45 steak dinner?
a)
$ 13.58
b)
$ 89.03
c)
$ 61.87
d)
$135.80
70.
How much tax would you pay on a new TV that is $899 at Best Buy, if the tax rate is 6.5%?
a)
$957.44
b)
$840.00
c)
$58.44
d)
$840.57
71.
What is 82% As a decimal?
a)
8200
b)
820
c)
0.082
d)
0.82
72.
Discount is ____________ from the price.
a)
added
b)
divided
c)
subtracted
d)
multiplied
73.
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
74.
What is the total cost with sales tax?
Price $2.75
Tax 5%
a)
$2.89
b)
$3.00
c)
$0.14
d)
$2.75
75.
What is the total cost with sales tax?
Price $24.95
Tax 7%
a)
$1.75
b)
$26.30
c)
$25.80
d)
$26.70
76.
Peter is a college professor.  His annual salary is $112,000.  If he has to pay 25% income tax what is the amount of tax he will pay?
a)
30000
b)
28000
c)
25000
d)
22000
77.

Jonathan went to Chili's with his mom for lunch. Their total bill was $41.65 and they wanted to leave a 22% tip. How much did they leave for a tip?

a)

$9.10

b)

$9.163

c)

22%

d)

$9.16

78.

Ryan went to Cracker Barrel with his mom. Their total bill was $26.85 and they wanted to leave a 23% tip. How much did they leave in total?

a)

$33.03

b)

$6.18

c)

$17.67

d)

$33.0255

79.

A pair of boots are RM94.99. They are 25% off. With this discount, what is the sale price? Round to nearest cent if necessary.

a)

RM71.24

b)

RM118.74

c)

23.7475

d)

RM23.75

80.

Alicia went to the local farmer's market to buy some fresh produce. She bought carrots for 35% off the original price of RM7.40. How much did Alicia pay for the carrots?

a)

4.81

b)

2.59

c)

9.99

d)

3.50

81.

If you receive 25% off an item costing RM22.00, how much money do you save?

a)

RM5.50

b)

RM4.25

c)

RM6.00

d)

RM7.35

82.

A shirt originally costs ₱500. If it is on sale with 20% off, how much is the discount price?

a)

₱50

b)

₱100

c)

₱20

d)

₱200

83.

A shirt originally costs ₱500. If it is on sale with 20% off, how much will you pay to the cashier?

a)

₱50

b)

₱100

c)

₱400

d)

₱450

84.

A pair of pants originally costs ₱2 000. If it is on sale with 10% off, how much is the discount price?

a)

₱200

b)

₱100

c)

₱400

d)

₱500

85.

A phone originally costs ₱10 000. If it is on sale with 30% off, how much is the discount price?

a)

₱1 000

b)

₱2 000

c)

₱3 000

d)

₱5 000

86.

A phone originally costs ₱10 000. If it is on sale with 30% off, how much will you pay to the cashier?

a)

₱7 000

b)

₱8 000

c)

₱5 000

d)

₱9 000

87.
Compute the sales commission:
Amount $4,500.00
Rate 5%
a)
$225.00
b)
$250.00
c)
$125.00
d)
$230.00
88.
Compute the sales commission:
Amount $48,000.00
Rate 3%
a)
$1400.00
b)
$1440.00
c)
$1500.00
d)
$1430.00
89.
Compute the sales commission:
Amount $3,400.00
Rate 3%
a)
$100.00
b)
$150.00
c)
$102.00
d)
$108.00
90.
Compute the sales commission:
Amount $1,000.00
Rate 3%
a)
$30.00
b)
$300.00
c)
$50.00
d)
$40.00
91.
Compute the sales commission:
Amount $1,700.00
Rate 4%
a)
$50.00
b)
$60.00
c)
$65.00
d)
$68.00
92.
Compute the sales commission:
Amount $560.00
Rate 5%
a)
$25.00
b)
$20.00
c)
$28.00
d)
$32.00
93.
Compute the sales commission:
Amount $880.00
Rate 4%
a)
$30.00
b)
$29.00
c)
$38.50
d)
$35.20
94.
Principal = $500
Interest rate =5%
Time = 5 years
What is the interest earned?
a)
95
b)
105
c)
125
d)
135
95.
Emilio borrows $1200 from a bank with 8% simple interest per year.  How much will he have to pay back total in 2 years?
a)
$150
b)
$192
c)
$1350
d)
$1392
96.
Dan borrowed $2,000 for 6 months at 12% annual simple interest rate. How much interest is that?
a)
$120
b)
$144
c)
$1,200
d)
$1,440
97.
Jenna borrowed $5,000 for 3 years and had to pay $1,350 simple interest at the end of that time. What rate of interest did she pay?
a)
6%
b)
6%
c)
8%
d)
9%
98.
The simple interest formula is I=Prt.  What does the t represent?
a)
Principle
b)
Interest
c)
Time, in hours
d)
Time, in years
99.
Convert 18 months to years. 
a)
18 Years
b)
1.5 Years
c)
.18 Years
d)
You cannot change it to years.
100.
What does the "I" in the interest formula stand for?
a)
Important
b)
Interest
c)
Internet
d)
Igloo
101.
What does the "r" in the interest formula stand for?
a)
Principal
b)
Interest
c)
rate
d)
time
102.
The Principal and Interest are always___________.
a)
fraction
b)
decimal
c)
percent
d)
money
103.
The rate is given as a percent (%).  Before using it in the simple interest formula, you must first convert it to a______.
a)
fraction
b)
decimal
c)
ratio
d)
dollar amount
104.
The simple interest formula is I=Prt.  The P represents the principle.  The principle is ___________________.  
a)
the amount of money borrowed or deposited
b)
the percent interest for his year
c)
the amount taxed
d)
the amount the bank owes you for being a customer at their bank
105.
The simple interest formula is I=Prt.  The P represents the principle.  The principle is ___________________.  
a)
the amount of money borrowed or deposited
b)
the percent interest for his year
c)
the amount taxed
d)
the amount the bank owes you for being a customer at their bank
106.
Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?
a)
4
b)
8
c)
12
d)
16
107.
Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?
a)
$800
b)
$1,000
c)
$1,200
d)
$1,500
108.

The simple interest formula is I=Prt. The P represents the principal. The principal is ___________________.

a)

the amount of money

b)

the percent interest for his year

c)

the rate

d)

the percent proportion

109.

What does the "I" in the interest formula stand for?

a)

It

b)

Interest

c)

the Headless Iron Man

d)

Ignoramus

110.

Emilio borrows $1200 from a bank with 8% simple interest per year. How much will he have to pay back total in 2 years?

a)

$150

b)

$192

c)

$1350

d)

$1392

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