Multiplication - Decimals

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times (3 + 3 + 3 + 3).

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. For example, 0.75 is a decimal.

Front

How do you multiply a whole number by a decimal?

Back

To multiply a whole number by a decimal, multiply as if there were no decimal, then count the total number of decimal places in the numbers being multiplied and place the decimal point in the product accordingly.

Front

What is the product of 2.5 and 4?

Back

The product of 2.5 and 4 is 10.

Front

How do you multiply two decimals?

Back

To multiply two decimals, ignore the decimal points and multiply the numbers as whole numbers. Then, count the total number of decimal places in both numbers and place the decimal point in the product.

Front

What is 1.85 multiplied by 9?

Back

1.85 multiplied by 9 equals 16.65.

Front

If a recipe calls for 2.25 cups of flour and you make 5 batches, how do you find the total amount of flour needed?

Back

Multiply 2.25 by 5. The total amount of flour needed is 11.25 cups.

Front

What is the total amount of wrapping paper if each roll is 3.2 meters and 6 rolls are used?

Back

Multiply 3.2 by 6. The total amount of wrapping paper is 19.2 meters.

Front

How do you calculate the total cost of items sold?

Back

To calculate the total cost, multiply the price of one item by the number of items sold.

Front

What is the total earnings if each cup of hot chocolate costs $1.95 and 15 cups are sold?

Back

Multiply 1.95 by 15. The total earnings are $29.25.