Proportions Grade

7th

proportions Grade

5 15

and

3 9

8

40

25

7

10 25 35

Identifying Proportions

45 27

=

x 3

?

28 24 20 16 12

8 4

-14-12-10 -8 -6 -4 -2 -4

-8

-12

246

Proportional

Workbook 1



Proportion - Ratio

Write whether each pair of ratios forms a proportion.

1)

12 7

and

36 21

2)

3 11

and

17 6

3)

60 and 7 55 42

4)

4 and 8 10 20

5)

10 and 25 24 60

6)

7 and 52

6

48

7)

17 8

and

1 2

8)

5 15

and

3 9

9)

56 and 7 72 9

10)

4 and 16 21 84

?

?1?

Determine whether the and ? values in each table are proportional.

1)

2)

1395

2486

?

2 6 18 10

?

6 12 24 21

3)

4)

39 75

21 3 4

?

9 27 21 15

?

8 4 12 16

5)

6)

5249

4 8 10 12

?

30 12 20 36

?

10 16 22 24

7) 8 25 7

?

40 10 25 35

8) 18 12 6 3

?

6421

?

?2?

Form a Proportion

Create a proportion using the given set of numbers.

1) 1, 4, 2, 2

2) 5, 25, 3, 15

1 : 2 = 2 : 4 3) 18, 8, 12, 27

4) 3, 9, 12, 4

5) 14, 16, 28, 8

6) 21, 1, 3, 7

7) 8, 6, 48, 1

8) 11, 30, 33, 10

9) 15, 24, 12, 30

10) 49, 7, 35, 5

?

?3?

Form a Proportion

Create a proportion from each set of numbers. Only use 4 numbers from each set.

1) 12, 32, 10, 16, 24

2) 35, 1, 2, 10, 70

12 : 16 = 24 : 32 3) 25, 7, 16, 80, 5

4) 9, 48, 12, 6, 24

5) 60, 5, 8, 96, 11

6) 15, 63, 13, 21, 39

7) 88, 8, 61, 32, 22

8) 5, 72, 9, 21, 40

9) 6, 36, 7, 29, 42

10) 97, 63, 81, 27, 21

?

?4?

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