Download Ratio and Proportion Long-Term Memory Review Review 1 1

Ratio and Proportion
Long-Term Memory Review
Review 1
1.
Provide a complete response to each of the following:
a.
b.
c.
2.
A ratio compares two _____________.
A proportion sets two ratios _____________ to each other.
What are similar figures?
Draw two similar figures.
D
A
14 cm
E
B
3.
21 cm
C
The triangles in the figure above are similar.
a. __________ and _________ are measures of corresponding sides.
b. __________ and _________ are measures of another pair of corresponding sides.
4.
Find the value of x.
A. 7 cm
B. 8 cm
C. 10 cm
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D. 11 cm
15 cm
F
Ratio and Proportion
Long-Term Memory Review
Review 2
1.
Provide a complete response to each of the following:
a.
b.
c.
2.
A ratio compares two _________________.
A proportion sets two ratios _____________ to each other.
What are similar figures?
Draw two similar figures.
D
A
14 cm
E
B
3.
USE the figure above: We know that ABC
used to solve for x.
21 cm
x cm
x
14 cm
14 cm
Second way
F
C
DEF . Write four different proportions that can
15 cm
One way
4.
21 cm
15 cm
15 cm
21 cm
Third way
Fourth way
A man who is 6 feet tall casts a shadow that is 11 feet long. At the same time, a tree casts a
shadow that is 33 feet long. Use the drawing below to help you find the height of the tree?
Label the following: a) tree, b) tree’s shadow, c) man, and d) man’s shadow.
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Ratio and Proportion
Long-Term Memory Review
Review 3
1.
Provide a complete response to each of the following:
a.
b.
c.
A ratio compares two _____________.
A proportion sets two ratios _____________ to each other.
What are similar figures?
2.
Draw two similar figures.
3.
In one season, a city’s basketball team won 60 games and lost 20 games.
a.
What is the ratio of games won to games lost?
ANSWER: This question can be written in following different ways:
60 won to 20 lost; or 60 won: 20 lost: or
b.
c.
d.
60 won
20 lost
What is the total number of games played? _______________
What is the ratio of games won to games played? __________
What is the ratio of games lost to games played? ___________
4.
There are only dogs and cats at the local animal rescue center. The ratio of dogs to cats being adopted
today at the animal rescue center is 7 to 5. If there are 120 total animals up for adoption, how many
dogs are there?
5.
The rectangles at the right are similar.
Write four different proportions that can be used to solve for x.
12 cm
6 cm
x
4 cm
One way
Second way
Third way
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Fourth way
12 cm
x
6 cm
4 cm
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Ratio and Proportion
Long-Term Memory Review
Review 4
1.
Provide a complete response to each of the following:
a.
b.
c.
2.
A ratio compares two _____________.
A proportion sets two ratios _____________ to each other.
What are similar figures?
Draw two similar figures.
USE the figure on the right for questions 3-4. The two rectangles at the right are similar.
3.
Write four different proportions that can used to solve for c?
a
b
11
c
a
b
a
11
11
c
b
c
One way
4.
Second way
Third way
Fourth way
What is the value of c?
A. c
11b
a
B. c
11a
b
C. c
b
11a
D. c
a
b
5.
In one season, a city’s basketball team won 60 games and lost 20 games.
a.
What is the total number of games played? __________________
b.
What is the ratio of games won to games played? _____________
c.
What is the ratio of games lost to games played? ______________
d.
In the city, a baseball team had the same ratio of wins to losses as the above basketball team, but they
played 120 total games during the season. How many games did the baseball team win and lose?
_____________________
6.
A new winter coat is on sale for 20% off the original price. If sale price is $176 after the 20% discount, then
what is the original price of the coat? Use the proportion below to help you solve the problem.
80 sale price (%paid)
sale price ($paid)
100 total price (%original)
total price ( $original)
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Ratio and Proportion
Long-Term Memory Review
Quiz
1.
Provide a complete response to the following questions:
a.
A ratio compares two _____________.
b.
A proportion sets two ratios _____________ to each other.
c.
What are similar figures?
d.
Draw two similar figures.
Use the figure on the right for questions 2-4.
2.
The rectangles are similar.
a.
b.
3.
12 cm
6 cm
12 cm
4
cm
x
x
6 cm
4 cm
Second way
x
4 cm
One way
Fourth way
Third way
Find the value of x.
A. 2 cm
5.
cm
Write four different proportions that can be used to solve for x?
12 cm
4.
6
________ and ________ are measures of corresponding sides.
________ and _________ are measures of the other pair of corresponding sides.
B. 8 cm
C. 10 cm
D. 18 cm
A new leather coat is on sale for 20% off the original price. If sale price is $160 after the
20% discount, then what is the original price of the coat? Use the proportion below to
help you solve the problem.
80 sale price (%paid)
sale price ($paid)
100 total price (%original)
total price ( $original)
6.
A man who is 6 feet tall casts a shadow that is 11 feet long. At the same time, a tree casts a shadow that is 33
feet long. Draw a picture to represent this situation and find the height of the tree? Label the diagram.
7.
The two rectangles at the right are similar. What is the value of c?
A.
c
11b
a
B.
c
11a
b
C.
c
b
11a
D.
c
a
b
a
b
11
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c
Ratio and Proportion
Long-Term Memory Review
ANSWERS
Review 1 - Answers
1.
a.
numbers
b.
equal
c.
Similar figures are figures that are the same shape, but may be different sizes; angles are
congruent, sides are proportional
2.
Answers may vary.
3.
a.
21 and 15
b.
14 and x
C.
10 cm
4.
Review 2 - Answers
1.
2.
3.
a.
numbers
b.
equal
c.
Similar figures are figures that are the same shape, but may be different sizes; angles are
congruent, sides are proportional
Answers may vary.
15 cm
21 cm
x
14 cm
One way
x cm
15 cm
14 cm
21 cm
Second way
x cm
15 cm
14 cm
21 cm
14 cm
21 cm
x cm
15 cm
Third way
Fourth way
4.
X ft: tree
6 ft: Man
11 ft: Man’ shadow
33 ft: Tree’s shadow
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6
x
11
33
x
18 ft
Ratio and Proportion
Long-Term Memory Review
Review 3 - Answers
1.
a.
numbers
b.
equal
c.
Similar figures are figures that are the same shape, but may be different sizes; angles are
congruent, sides are proportional
2.
Answers may vary.
3.
a.
60 won to 20 lost
b.
60:80
20
c.
4.
5.
80
dog
total
7
12
x (dog)
7
120
12
x
70 dogs
12 cm
6 cm
x cm
4 cm
12 cm
x cm
6 cm
4 cm
x
4 cm
12 cm
6 cm
6 cm
4 cm
12 cm
x cm
One way
Second way
Third way
Fourth way
Review 4 - Answers
1.
2.
3.
a.
numbers
b.
equal
c.
Similar figures are figures that are the same shape, but may be different sizes; angles are
congruent, sides are proportional
Answers may vary.
a
b
a
11
11
c
b
c
One way
Second way
11
a
c
b
Third way
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b
a
c
11
Fourth way
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Ratio and Proportion
Long-Term Memory Review
4.
11b
A. c
a
5.
a.
b.
What is the total number of games played? 80
What is the ratio of games won to games played? 60 to 80
20
What is the ratio of games lost to games played?
80
In the city, a baseball team had the same ratio of wins to losses as the above basketball team, but they
played 120 total games during the season. How many games did the baseball team win and lose?
c.
d.
3
4
x
; won 90, lost 30
120
6.
80
176
100
x
; 80x=17600; x=$220
Quiz - Answers
1.
2.
3.
a.
numbers
b.
equal
c.
Similar figures are figures that are the same shape, but may be different sizes; angles are
congruent, sides are proportional
Answers may vary.
12
x
6
4
One way
4.
B. 8 cm
5.
80
100
12
x
x
4
6
4
6
4
12
6
12
x
Second way
160
x
Third way
; 80x=1600; x=$200
6.
x
6
11
7.
A. c
Fourth way
33
11b
a
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6
11
x
; 11x=198; x=18; The tree is 18 ft. tall
33
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