Rates and Unit Rates - General Math

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units

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CCSS.6.RP.A.1

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What mathematical operation do ratios involve?

• addition
• subtraction
• multiplication
• division

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CCSS.6.RP.A.1

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A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

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CCSS.6.RP.A.1

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What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 20 apples in the fridge and 9 on the table, what is the ratio of apples in the fridge to apples on the table?

• 9/20
• 20/9
• 9.20
• 20.9

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CCSS.6.RP.A.1

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A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5
• 5 to 3
• 3 to 5
• 5 to 2

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CCSS.6.RP.A.2

CCSS.6.RP.A.1

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

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CCSS.6.RP.A.1

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If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

• 408 words per minute

• 100 words per minute

• 400 words per minute

• 102 words per minute

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CCSS.6.RP.A.1

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Harry mowed eight lawns and earned $96. How much did he earn for each lawn?

• $96
• $12
• $768
• $8

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CCSS.6.NS.B.2

CCSS.6.RP.A.2

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Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

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CCSS.6.RP.A.1

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