Rates: 6th Grade

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate the cost per item?

Back

To calculate the cost per item, divide the total cost by the number of items. For example, if 7 apples cost $4.55, the cost per apple is $4.55 ÷ 7 = $0.65.

Front

What is the formula to find words typed per minute?

Back

To find words typed per minute, divide the total number of words by the total time in minutes. For example, if Charles types 675 words in 9 minutes, then 675 ÷ 9 = 75 words per minute.

Front

What does it mean to find a unit price?

Back

Finding a unit price means determining the cost of a single unit of a product. This helps compare prices of different quantities.

Front

How do you find the unit rate of earnings per hour?

Back

To find the unit rate of earnings per hour, divide the total earnings by the total hours worked. For example, if Alycia earned $20.40 in 3 hours, then $20.40 ÷ 3 = $6.80 per hour.

Front

What is the relationship between rates and ratios?

Back

Rates are a specific type of ratio that compares two quantities with different units, such as miles per hour or dollars per item.

Front

How can you express a rate as a fraction?

Back

A rate can be expressed as a fraction by placing the first quantity in the numerator and the second quantity in the denominator. For example, 75 words per minute can be written as 75/1.

Front

What is the significance of unit rates in real life?

Back

Unit rates help consumers make informed decisions by comparing prices, speeds, and other quantities to find the best value.

Front

How do you convert a rate to a percentage?

Back

To convert a rate to a percentage, divide the rate by the total and multiply by 100. For example, if 30 out of 100 students passed, the rate is 30%.

Front

What is the formula for calculating speed?

Back

Speed is calculated using the formula: Speed = Distance ÷ Time.