Multiplication 3 by 1

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 = 12.

Front

What does the term 'factor' mean in multiplication?

Back

A factor is a number that is multiplied by another number to get a product. In the multiplication 3 x 4, both 3 and 4 are factors.

Front

What is the product of 3 and 1?

Back

The product of 3 and 1 is 3.

Front

How do you multiply a number by 1?

Back

When you multiply any number by 1, the product is always the same number. For example, 5 x 1 = 5.

Front

What is the multiplication table for 3?

Back

The multiplication table for 3 is: 3 x 1 = 3, 3 x 2 = 6, 3 x 3 = 9, 3 x 4 = 12, 3 x 5 = 15, and so on.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the factors does not change the product. For example, 4 x 3 = 3 x 4.

Front

What is the associative property of multiplication?

Back

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

Front

What is an example of multiplying a two-digit number by 1?

Back

An example is 23 x 1 = 23.

Front

What is the identity property of multiplication?

Back

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

Front

How can you check your multiplication answer?

Back

You can check your multiplication answer by using addition. For example, if you calculated 3 x 4 = 12, you can check by adding 3 four times: 3 + 3 + 3 + 3 = 12.