Day 51 Proportions and Ratio Tables

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does additive relationship mean?

Back

An additive relationship means that a constant amount is added to a quantity to get the next value.

Front

What does multiplicative relationship mean?

Back

A multiplicative relationship means that each value in a sequence is multiplied by a constant factor to get the next value.

Tags

CCSS.5.OA.B.3

Front

How do you find the rate of a quantity?

Back

To find the rate, divide the total quantity by the total time taken.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a quantity doubles, what type of relationship is this?

Back

This is a multiplicative relationship.

Tags

CCSS.5.OA.B.3

Front

If a quantity increases by 5 each time, what type of relationship is this?

Back

This is an additive relationship.

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CCSS.3.OA.D.9

Front

What is the formula for finding a unit rate?

Back

The formula for finding a unit rate is: Rate = Total Quantity / Total Time.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Reggie ran 216 yards in 8 minutes, what is his running rate?

Back

27 yards per minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Allie's views increased from 10 to 40 in a week, by what factor did her views change?

Back

By a factor of 4.

Tags

CCSS.6.RP.A.3A