Proportions

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

How do you set up a proportion to solve a problem?

Back

To set up a proportion, you can use the formula a/b = c/d, where a and b are one ratio, and c and d are another ratio.

Tags

CCSS.7.RP.A.2C

Front

What is the cross-multiplication method in solving proportions?

Back

The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio and setting the two products equal to each other.

Tags

CCSS.7.RP.A.3

Front

If a wood stove burns 4 logs in 2 hours, how do you find the number of logs burned in a different time frame?

Back

You can set up a proportion based on the rate of logs burned per hour and then solve for the unknown.

Tags

CCSS.7.RP.A.3

Front

What is the scale factor in a map?

Back

The scale factor is the ratio of a distance on the map to the actual distance it represents in reality.

Tags

CCSS.7.RP.A.2C

Front

How do you convert inches to miles using a map scale?

Back

To convert inches to miles, multiply the number of inches by the scale factor (miles per inch) provided on the map.

Tags

CCSS.6.RP.A.3B

Front

How do you calculate earnings per unit when given total earnings?

Back

To calculate earnings per unit, divide the total earnings by the number of units (e.g., dogs walked).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the relationship between time, distance, and speed?

Back

The relationship is defined by the formula: Speed = Distance / Time.

Tags

CCSS.6.RP.A.3B

Front

How do you find the total distance walked if you know the speed and time?

Back

You can find the total distance by multiplying the speed by the time.

Tags

CCSS.6.RP.A.3B

Front

What is the formula for converting inches to feet?

Back

To convert inches to feet, divide the number of inches by 12.

Tags

CCSS.4.MD.A.1