Multiplication of Whole Numbers

Front

What is multiplication?

Back

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

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together. For example, in 5 x 6, the product is 30.

Front

What does it mean to multiply by 10?

Back

Multiplying a number by 10 shifts its digits one place to the left. For example, 4 x 10 = 40.

Front

How do you multiply a two-digit number by a one-digit number?

Back

Multiply the one-digit number by each digit of the two-digit number, starting from the right, and then add the results.

Front

What is the associative property of multiplication?

Back

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

Front

What is the commutative property of multiplication?

Back

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

Front

What is a multiplication fact?

Back

A multiplication fact is a basic multiplication equation that students are expected to memorize, such as 6 x 7 = 42.

Front

How can you use arrays to understand multiplication?

Back

An array is a visual representation of multiplication using rows and columns. For example, 3 rows of 4 objects each represent 3 x 4.

Front

What is the identity property of multiplication?

Back

The identity property states that any number multiplied by 1 remains the same. For example, 7 x 1 = 7.

Front

What is the zero property of multiplication?

Back

The zero property states that any number multiplied by 0 equals 0. For example, 9 x 0 = 0.