6th Grade Proportional Relationship Review

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

How do you find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 12% of 75, calculate 75 * 0.12 = 9.

Front

If a person types 408 words in 4 minutes, how do you find their typing speed in words per minute?

Back

Divide the total words by the total minutes. For example, 408 words ÷ 4 minutes = 102 words per minute.

Front

How many cups are in a gallon?

Back

There are 16 cups in a gallon.

Front

If 5 pints of blue paint are mixed with 2 pints of yellow paint, what is the ratio of blue to yellow paint?

Back

The ratio of blue to yellow paint is 5:2.

Front

How do you convert minutes to seconds?

Back

To convert minutes to seconds, multiply the number of minutes by 60. For example, 5 minutes × 60 = 300 seconds.

Front

What is the formula to find the total amount in a proportional relationship?

Back

The formula is: Total Amount = (Part/Percentage) x 100.

Front

If a recipe requires 2 cups of sugar for every 3 cups of flour, what is the ratio of sugar to flour?

Back

The ratio of sugar to flour is 2:3.

Front

How do you solve for a missing value in a proportion?

Back

Cross-multiply the known values and then divide to find the missing value. For example, if a/b = c/d, then ad = bc.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.