Introduction to Ratios, Rate and Unit Rate

Which rate is equivalent to 15 miles per hour?

• 30 miles in 3 hours

• 30 miles in 2 hours

• 30 miles in 5 hours

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Hilbert burns 120 calories per 30 minutes of weight training.  Complete the table to chart his calorie expenditure for different amounts of time. What is the value of a?

• a= 80

• a= 6

• a= 60

• a= 120

Tags

CCSS.6.RP.A.3B

What is the missing number in the ratio table?

• 72

• 85

• 76

• 90

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

CCSS.6.RP.A.2

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How many ways can you write a ratio

• 1

• 3

• 2

• 4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following in not a way to compare ratios?

• part to part

• whole to part

• whole to whole

• part to whole

Tags

CCSS.6.RP.A.3A

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which is the "better buy"?  A 12 ounce can of Coke for $1.50 or a 24 ounce can of coke for $3.00?

• They are the same

• The  20 ounce can

• The 12 ounce can

Tags

CCSS.6.RP.A.3B