Multiply and Divide Decimals

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Front

How do you multiply decimals?

Back

To multiply decimals, 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 process for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number. Move the decimal point in the dividend the same number of places. Then, divide as usual.

Front

What is the average speed formula?

Back

Average speed = Total distance / Total time.

Front

Calculate the average speed if a car travels 150 miles in 3 hours.

Back

Average speed = 150 miles / 3 hours = 50 mph.

Front

What is the price per pound formula?

Back

Price per pound = Total cost / Total weight.

Front

Calculate the price per pound if 2 pounds of apples cost $4.00.

Back

Price per pound = $4.00 / 2 pounds = $2.00.

Front

What is the result of 7.8 ÷ 0.03?

Back

260.

Front

What is the result of 11.3 × 2.5?

Back

28.25.

Front

What is the result of 5.75 ÷ 0.25?

Back

23.