Multiplying Decimals

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 0.75 is a decimal.

Front

How do you multiply decimals?

Back

To multiply decimals, first 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 product of 5.5 and 6.5?

Back

The product of 5.5 and 6.5 is 35.75.

Front

If an item costs $0.35, how much do 12 items cost?

Back

12 items at $0.35 each cost $4.20.

Front

What is the formula to find the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width (Area = Length × Width).

Front

If the width of a driveway is 9.2 meters and the length is 3.4 times the width, what is the length?

Back

The length of the driveway is 31.28 meters.

Front

How do you calculate total distance jogged if you jog 4.8 miles each day for 22 days?

Back

Total distance = Daily distance × Number of days = 4.8 miles × 22 days = 105.6 miles.

Front

What does it mean to 'round' a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value. For example, rounding 2.76 to the nearest whole number gives 3.

Front

What is the value of 2.5 meters of fabric at $6.20 per meter?

Back

The cost is $15.50 (2.5 × 6.20 = 15.50).

Front

What is a multiplication problem involving decimals?

Back

An example is: 0.5 × 0.2 = 0.1.