Chapter 4 Review: Decimal Multiplication and Division

Front

Multiply 5.8 x 3

Back

17.4

Front

9g = ________mg

Back

9,000mg

Front

Multiply 9.2 x 17

Back

156.4

Front

The distance around the racetrack at Talladega Superspeedway in Alabama is about 2.66 miles. What is the total distance for 16 laps?

Back

42.56 miles

Front

Multiply 2.692 x 100

Back

269.2

Front

What is the product of a decimal and a whole number?

Back

To multiply a decimal by a whole number, multiply as if there are no decimals, then place the decimal point in the product based on the number of decimal places in the original decimal.

Front

What is the relationship between grams and milligrams?

Back

1 gram (g) is equal to 1,000 milligrams (mg). Therefore, to convert grams to milligrams, multiply by 1,000.

Front

How do you multiply decimals?

Back

Multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the total distance for multiple laps if one lap is 2.66 miles?

Back

To find the total distance for multiple laps, multiply the distance of one lap by the number of laps.

Front

What is the result of multiplying a decimal by 10?

Back

When you multiply a decimal by 10, you move the decimal point one place to the right.