Review 7th grade

Front

If the ratio of areas is 9:121, what is the scale factor?

Back

3:11

Front

Mr. Sanchez bought 2 magazines for $9.95 each and 1 book for $14.95. If the sales tax is 6%, what is the total cost of his purchases?

Back

$36.94

Front

Which choice has a value that is closest to the value of 1/6?

Back

1/6

Front

What is the difference in the mean absolute deviation of Team 1 (52, 47, 33) and Team 2 (27, 55, 53)?

Back

6

Front

Which block has the greater median number of shoes: Block 1 or Block 2, and by how much?

Back

Block 1 by 2 pairs

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width

Front

Define 'mean absolute deviation'.

Back

The average distance between each data point and the mean of the data set.

Front

What is the formula for calculating sales tax?

Back

Sales Tax = Purchase Price × Tax Rate

Front

How do you find the median of a data set?

Back

Arrange the numbers in order and find the middle value.

Front

What is a ratio?

Back

A comparison of two quantities by division.