Multiplying and Multiplying Decimals

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the process of adding a number to itself a certain number of times. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3 = 12).

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 1.31 x 6?

Back

7.86

Front

How do you find the area of a rectangle?

Back

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

Front

What is the area of a patio that is 8.5 feet long and 10.7 feet wide?

Back

90.95 Square Feet

Front

How do you multiply two decimals?

Back

To multiply two 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.

Front

What is the product of 8.54 miles and 4?

Back

34.16 miles

Front

If Susan makes $6.50 per hour and babysits for 3.5 hours, how much does she earn?

Back

$22.75

Front

What is the formula for finding the total number of items in multiple groups?

Back

Total = Number of items in one group x Number of groups.