Multiplying 2 digit by 1 digit

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What does it mean to multiply a 2-digit number by a 1-digit number?

Back

It means to take a number that has two digits (like 36) and multiply it by a single-digit number (like 5).

Front

Calculate: 36 x 5

Back

180

Front

Calculate: 79 x 4

Back

316

Front

Calculate: 89 x 9

Back

801

Front

Calculate: 54 x 5

Back

270

Front

Calculate: 28 x 7

Back

196

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together.

Front

What is the commutative property of multiplication?

Back

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

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).