Ratios and Equivalent Ratios

The length-to-width ratio from a rectangle is 7 : 4. The rectangle is 24 cm wide. What is its length in cm?

• 36

• 44

• 40

• 42

That drawing shows a part-to-whole ratio. The number of apples to the total fruits is:

• 5 : 12

• 2 : 6

• 4 : 13

• 4 : 12

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

The picture above represents a ratio from the number os red hearts to the number of blue diamonds. This is equal to:

• 6 : 10

• 10 : 6

• 10 : 16

• 16 : 6

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Using the image above, a part-to-whole ratio could be represente by:

• 5 : 16

• 6 : 10

• 16 : 10

• 3 : 5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Inside a classroom, for every 12 boys there are 8 girls. That ratio could be represented by:

• 10 : 8

• 20 : 12

• 6 : 4

• 4 : 3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

The 1st term of a ratio is 25 and its second is 20. The simplest form of that ratio is:

• 5 : 4

• 5 : 3

• 6 : 4

• 2 : 1

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CCSS.6.RP.A.3A

For finding a ratio in the simplest form, it will help if you first find the:

• The Lowers Common Factor

• The Lowest Common Multiple

• The Greatest Common Factor

• The Greatest Common Multiple

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Loot at the picture above. A and B are:

• 52 5and 28

• 54 and 28

• 54 and 24

• 28 and 24

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CCSS.5.OA.B.3

There is a height-to-shadow ratio. It is 40 : 30. Look to the image and try to find the height of the tallest person.

• 80 cm

• 78 cm

• 84 cm

• 82 cm

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CCSS.7.RP.A.3

Two ratios that describe the same relationship are called:

• ratios

• equal ratios

• equivalent ratios

• ratio tables

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CCSS.6.RP.A.3A