7th Grade Math Benchmark Practice

Front

What is the formula to calculate monthly earnings from annual earnings?

Back

Monthly Earnings = Annual Earnings / 12

Front

If Becky earned $21,280.08 last year, how much did she earn per month?

Back

$1,773.34

Front

How do you find the cost of multiple items if you know the cost of a smaller quantity?

Back

Cost of 9 muffins = (Cost of 4 muffins / 4) * 9

Front

If Jay spent $6.40 for 4 muffins, how much will 9 muffins cost?

Back

$14.40

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is positive.

Front

What is the product of -12 and -5?

Back

60

Front

How do you estimate the number of students in a population based on a sample?

Back

Use the proportion of the sample to estimate the total population.

Front

If 28 out of 40 surveyed students have cell phones, how many students in a school of 470 are likely to have cell phones?

Back

329 students

Front

What is a proportional relationship?

Back

A relationship where two quantities increase or decrease at the same rate.

Front

What is the relationship between miles driven and gallons of gas used?

Back

There is a proportional relationship between miles and gallons.