7.NS.3

Front

What is the result of subtracting expenses from total money?

Back

To find out how much money is left after spending, subtract the total expenses from the total amount of money available.

Front

Calculate: $21.50 - ($0.55 + $3.85 + $9.84)

Back

$21.50 - $14.24 = $7.26

Front

What is the product of a negative number and a positive number?

Back

The product of a negative number and a positive number is always negative.

Front

Calculate: (-5) x (+2)

Back

-10

Front

Calculate: (+2) x (-7)

Back

-14

Front

What is the conversion factor from kilometers to miles?

Back

1 kilometer is approximately 0.62 miles.

Front

If Noah's house is 12 kilometers from the ice skating rink, how many miles is that?

Back

12 kilometers x 0.62 miles/kilometer = 7.44 miles.

Front

What is the result of multiplying two decimal numbers?

Back

When multiplying two decimal numbers, multiply as if they are whole numbers, then count the total number of decimal places in both numbers to place the decimal in the answer.

Front

Calculate: 3.5 x 4.92

Back

17.22

Front

What is the importance of understanding negative numbers in multiplication?

Back

Understanding negative numbers is crucial because they affect the sign of the product in multiplication.