Multiplying by 2- and 3-Digit Numbers (Without Regrouping)

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 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

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

Back

Multiplying by a 2-digit number means you are multiplying a number by a number that has two digits, like 21 or 34.

Front

What does it mean to multiply by a 3-digit number?

Back

Multiplying by a 3-digit number means you are multiplying a number by a number that has three digits, like 123 or 456.

Front

321 x 3 = ?

Back

963

Front

4 x 21 = ?

Back

84

Front

231 x 3 = ?

Back

693

Front

43 x 2 = ?

Back

86

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, 2 x 3 = 3 x 2.

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).