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Unit 4 Review Flashcards | StudBud
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Unit 4 Review
Unit 4 Review
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Ratio, Proportion, & Percent
Flashcards
83 cards
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Practice quiz
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Questions
83
Answers
1
Proportional Relationships
Yes
No
2
Al gets 3% commission on all sales. His sales were $500, What was his commission?
$150
$3
$15
$30
3
Find the commission.
$4,359
$34.95
$43.95
$43.59
4
Solve using the percent proportion... 35 is what percent of 70?
2%
70%
50%
200%
5
The figures are similar. Find x.
10
3
12
15
6
Use simple interest I = prt to find the
ENDING BALANCE
.
$4,432
$5,891
$10,432
7
Rates
25 petals
30 petals
35 petals
36 petals
8
Identify the percent of change as an increase or a decrease. Then find the percentof change.
Decrease 30%
Decrease 3%
Increase 30%
Increase 3%
9
Identify the percent of change as an increase or a decrease. Then find the percentof change.
Increase 200%
Decrease 2%
Increase 2%
Decrease 200%
10
Proportional Relationships
5
1.86
30
11
11
Which two ratios are equivalent?
4:8 and 9:11
8:2 and 5:8
3:7 and 20:28
6:12 and 12:24
12
The order of operations in Math can be summed up with
EIEIO
ELI the ICE man
EGBDF
PEMDAS
13
The simple interest formula is stated as
I=p⋅r⋅t
I=p+r+t
I+p⋅r=t
I=p⋅r+t
14
Are the ratios 6:18 and 1:3 equivalent?
No
Yes
15
Find the simple interest paid.
4200
42
392
393.7
16
Solve using a proportion or equation.
42 min
46 mins
60 mins
38.4 mins
17
3 Ways to write ratios
decimals, fractions and with with the word of
With a colon, as a fraction, with the word to
Numbers and decimals
18
Solve the simple interest problem using the formula, I = Prt.
1 year
2 years
3 years
1.5 years
19
Unit Rates and Fractions
1/5 : 1/8
5: 8
58
20
Find the
total
, including sales tax: A $24 shirt with a 15% sales tax...
$27.60
$26.00
$27.10
$34.00
21
Determine the commission earned on $62,000 at a commission rate of 6%.
$3,720
10,333.33
$372
$37,200
22
Proportion Word Problems
7,987 cars
8,253 cars
8,967 cars
8,246 cars
23
The figures are similar. Find the missing measurement.
x=3
x=4
x=12
x=5
24
Solve the following indirect measurement.
B. 30 ft
A. 200 ft
C. 27 ft
D. 18 ft
25
What is the scale factor of Catfish 2 to Catfish 1?
4
this is poop 💩💩💩💩💩
5
23
26
A $370 item is labeled, "Get a 35% discount." What is the
discount
?
$499.50
$130.50
$129.50
$240.00
27
How much did he make in commission?
$8,125
$8,500
$8,200
$8,750
28
What is the formula for percent proportion?
difference/original = x/100
part/whole = %/100
is/of = %/100
difference/actual = x/100
29
Quick Review Math Fact !!
27
12
21
23
30
What is the meaning of Ratios???
a comparison of two numbers or quantities
an equation of two equivalent ratios
a special ratio that compares two quantities measured in different units
a rate with a denominator of 1
31
Find the
markup
.
$21.20
$84.80
$48.40
32
What is the price
after
discount? *
*(round to the nearest cent)
$5.07
$21.38
$10.30
$12.49
33
20% tip for a $50 haircut would be.....?
$10
$15
$20
$40
34
Compare the unit rates
Kami
They would make the same.
Charlie
35
Find the missing measurement, m.
3.75 ft
3.75 ft
9.6 ft
106.67 ft
36
REVIEW... Divide
1/4
9/4
37
What will we use unit rates for?
Making budgets
Comparing salaries or pay rates
Figuring out gas mileage
Comparison shopping
38
Dinner $22.50, tip 18%, what is the
total
?
$26.55
$4.05
$18.45
$1.25
39
Find the
markup
:
$50.58
$62.15
$50.85
40
Compare the unit rates
Tom
Kate
They have the same unit rate
41
Quick Math Fact !!!
66
63
38
65
42
A bottle of water costs $1.29 with a 6% sales tax. What would the water cost
after
tax?
$1.32
$1.39
$1.37
$1.46
43
REVIEW..... Divide the integers
63
7
-63
-7
44
Word Problem
D
B
C
A
45
Are these two figures similar?
Yes
No
46
Find the PERCENT using the percent proportion? Round to the nearest whole number percent!
24
5
20
17
47
The figures are similar. Find the missing measurement.
n=2
n=8
n=6
n=4
48
Unit Rates and Fractions
18 feet
36 feet
27 feet
49
Ratios and Rates
$20
$17
$18
$16
50
Solve the following indirect measurement problem:
18 meters
3.889 meters
.37 meters
113.4 meters
51
Using indirect measurement, what is the height of the tree?
1
24
4
16
52
Rates
18 inches
6 inches
12 inches
8 inches
53
Scale Drawings
G
J
H
F
54
An account earns simple interest. Find the interest earned, principal,interest rate, or time.
0.475%
0.0475%
47.5%
4.75%
55
Quick Math Fact !!!
82
48
56
49
56
Solve the simple interest problem using the formula, I = Prt.
$750
$650
$700
$725
57
Find the percent change...
decrease; 28%
I don't know
increase; 35%
increase; 28%
58
Find the commission.
34500 dollars
34.50 dollars
3,450 dollars
59
What is the PERCENT of change?
about 5.5%
about 6.1%
about 6.5%
60
Find percent change
Decrease 11%
Decrease 10%
I don't know
Increase 11%
61
Are the figures similar? How do you know?
No
Yes, with a scale factor of 2.5
Yes, with a scale factor of 2.8
62
Use a proportion or equation to solve.
64%
80%
125%
8%
63
If the total amount of the dinner was $42.00, the tip is 15%, what is the
total
?
$6.30
$48.30
$8.30
$43.80
64
What is the PERCENT of change?
4%
40%
60%
65
Are the ratios 2:1 and 16:10 equivalent?
Yes
No
66
Proportional Relationships
3:15
4:24
2:10
5:25
67
Find the percent of change:
Decrease; 70%
Increase; 70%
Decrease 2.34%
Decrease; 234%
68
An account earns simple interest. Find the interest earned, principal,interest rate, or time.
1
10
5
1/5
69
Use a proportion or equation to solve.
6
666
60
6.6
70
Unit Rates and Fractions
3 1/3 minutes
3 minutes
3 2/3 minutes
4 minutes
71
Order matter in ratios...
false
true
72
Find the PERCENT.
14
7
10
50
73
Find the PERCENT using a proportion!
40
25
5
20
74
Find the
sale price
of a $250 item with a 30% discount.
$75.00
$320.00
$280.00
$175.00
75
Find the
total
cost of a $72 item with 8.5% sales tax.
$612.00
$61.20
$80.50
$78.12
76
Scale Drawings
6.5 in by 9.5 in
105 in by 127.5 in
1.87 in by 2.27 in
21.5 in by 24.5 in
77
Are these two figures similar?
I don't know
not enough information
no
yes
78
Compare unit rates
They are the same
Jared
Mike
79
Unit Rate
$0.64
$0.22
$0.19
$0.05
80
Are the ratios equivalent?
No
Yes
81
Lunch $14.70, you want to leave the waitress a 20% tip. What is the amount
including
tip?
$17.64
$11.76
$2.94
$5.90
82
Find the
selling price
after the store markup.
$61.25
$59.50
$60.75
$52.75
83
Unit Rates and Fractions
1/34 miles
1 1/4 miles
2 miles
3/4 mile
