Go Math Module 7 Part 1

Front

What is the relationship between distance and time in running laps?

Back

The relationship can be expressed as a ratio, where time taken is proportional to the number of laps run.

Tags

CCSS.7.RP.A.2D

Front

If Charlie takes 25 minutes to run 5 laps, how long does it take him to run 1 lap?

Back

It takes Charlie 5 minutes to run 1 lap.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the amount of distilled water needed for ammonia in a ratio?

Back

For every 5 milliliters of ammonia, 250 milliliters of distilled water is needed. This means for 1 milliliter of ammonia, 50 milliliters of distilled water is required.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is often expressed as a quantity per 1 unit.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Emily bikes 15 miles and her mother donates $0.40 for every 0.25 mile, how do you find the total donation?

Back

First, find how many 0.25 miles are in 15 miles (15 ÷ 0.25 = 60). Then multiply 60 by $0.40 to get $24.

Tags

CCSS.7.EE.B.3

Front

What is the formula to find the total savings based on earnings and savings rate?

Back

Total savings = (Earnings ÷ Earnings per saving) × Amount saved per earning.

Tags

CCSS.6.EE.B.6

Front

If Rob earns $75 babysitting and saves $6 for every $15 earned, how much does he save?

Back

Rob saves $30 because he earns 5 times $15 in $75, and 5 times $6 is $30.

Tags

CCSS.6.RP.A.3B

Front

How do you determine the number of seats on one side of an airplane row?

Back

Count the total number of seats and subtract the number of seats on the other side. For example, if there are 150 seats total, and 2 seats on the left, then 150 - (2 * number of rows) gives the right side seats.

Front

What is the total number of seats on the right side if there are 150 seats in total and 2 on the left?

Back

There are 90 seats on the right side.

Tags

CCSS.2.NBT.B.7

Front

What is a proportion?

Back

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

Tags

CCSS.7.RP.A.2A