Multiplying Whole Numbers

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 the product of two whole numbers?

Back

The product is the result of multiplying two whole numbers together. For example, the product of 5 and 6 is 30 (5 x 6 = 30).

Front

How do you multiply a whole number by zero?

Back

Any whole number multiplied by zero equals zero. For example, 7 x 0 = 0.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in a multiplication problem does not change the product. For example, 4 x 5 = 5 x 4.

Front

What is the associative property of multiplication?

Back

The associative property states that when multiplying three or more numbers, the way in which the numbers are grouped does not change the product. For example, (2 x 3) x 4 = 2 x (3 x 4).

Front

How do you multiply a whole number by a multiple of ten?

Back

To multiply a whole number by a multiple of ten, you can multiply the number by the other number and then add the number of zeros from the multiple of ten. For example, 6 x 30 = 6 x 3 = 18, then add one zero to get 180.

Front

What is the weight of 48 boxes of tissues if one box weighs 14 ounces?

Back

672 ounces (14 x 48 = 672).

Front

What is 131 multiplied by 44?

Back

5764 (131 x 44 = 5764).

Front

What is 0.7 multiplied by 4?

Back

2.8 (0.7 x 4 = 2.8).

Front

If students spend 25 minutes a day learning science, how many minutes do they spend in 180 days?

Back

4500 minutes (25 x 180 = 4500).