Multiplying Numbers Mentally

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).

Front

What is the product of 14 and 11?

Back

The product of 14 and 11 is 154.

Front

What is the product of 43 and 4?

Back

The product of 43 and 4 is 172.

Front

What is the product of 25 and 7?

Back

The product of 25 and 7 is 175.

Front

What is the product of 18 and 10?

Back

The product of 18 and 10 is 180.

Front

What is the product of 12 and 13?

Back

The product of 12 and 13 is 156.

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 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 a factor in multiplication?

Back

A factor is a number that is multiplied by another number to get a product. For example, in 6 x 7, both 6 and 7 are factors.

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.