4th Grade - Multiplication of Whole Numbers

Front

What is multiplication?

Back

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

Front

What is the product of two numbers?

Back

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

Front

How do you multiply a whole number by 10?

Back

To multiply a whole number by 10, you add a zero to the end of the number. For example, 7 x 10 = 70.

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). Both equal 24.

Front

What is the commutative property of multiplication?

Back

The commutative property states that the order in which two numbers are multiplied does not change the product. For example, 4 x 5 = 5 x 4.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, 2 and 3 are factors of 6.

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer. For example, the multiples of 3 are 3, 6, 9, 12, etc.

Front

How can you use arrays to represent multiplication?

Back

An array is a visual representation of multiplication. For example, 3 x 4 can be represented as 3 rows of 4 dots each.

Front

What is the distributive property of multiplication?

Back

The distributive property states that a number multiplied by a sum is equal to the sum of the products. For example, 3 x (4 + 5) = (3 x 4) + (3 x 5).

Front

What is the product of 22 and 16?

Back

The product of 22 and 16 is 352.