Understanding ratio notation, rate language and unit rates

For each of these shapes, write down the ratio of green squares to blue squares. Write ratio in its simplest form.

• 4 : 6

• 4 : 3

• 2 : 1

• 2 : 3

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CCSS.6.RP.A.1

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A rate in which the second quantity is ONE unit is the ___________________.
ex: 50 miles per hour

• Rate of change 
• Proportion
• Unit rate

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Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2
• 3 to 5
• 5 to 10
• 5 to 3

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CCSS.6.RP.A.1

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At the library you borrow 4 fiction books and 7 non-fiction books. What is the ratio of non-fiction books to fiction books?

• 2:3

• 3:2

• 4:7

• 7:4

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CCSS.6.RP.A.1

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The value of the ratio 8:2 is

• 4

• $\frac{8}{2}$

• $\frac{4}{1}$

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Carlos worked to earn $16.00. If he worked for 4 hours, how much money does Carlos earn per hour?

• $\$12\ per\ hour$

• $\$8\ per\ hour$

• $\$20\ per\ hour$

• $\$4\ \ per\ \ hour$

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CCSS.6.RP.A.1

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Which ratio represents the relationship of bananas to apples?

• 3:8
• 8:3
• 3:2
• 2:3

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CCSS.6.RP.A.1

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The simplest form of the ratio 1⁄4 : 1⁄6 is given by ________

• 2 : 3
• 3 : 2
• 1 : 2
• None of the above

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CCSS.6.RP.A.1

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Q10. In a box of sweets ⁷/₁₀ of the sweets are red. The rest are purple.

What is the ratio of red sweets to purple sweets?

• 3:7

• 3:10

• 7:3

• 7:10

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Speed is...

• A number out of 100

• A ratio that compares two quantities measured in different units

• How fast something is moving; measured in distance/time

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CCSS.6.RP.A.1

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