Multiply by 1-digit 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).

Front

What is a product in multiplication?

Back

The product is the result of multiplying two or more numbers together. For example, in 5 x 6, the product is 30.

Front

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

Back

Multiplying by a 1-digit number means you are multiplying a number by any whole number from 0 to 9.

Front

How do you estimate the product of two numbers?

Back

To estimate the product, round the numbers to the nearest ten or hundred and then multiply.

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 the commutative property of multiplication?

Back

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

Front

What is the identity property of multiplication?

Back

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

Front

How can you represent multiplication with an array?

Back

An array is a visual representation of multiplication using rows and columns. For example, 3 x 4 can be represented as 3 rows of 4 objects.

Front

What is a multiplication fact?

Back

A multiplication fact is a basic multiplication equation that students should memorize, such as 6 x 7 = 42.

Front

How do you multiply a 1-digit number by a 2-digit number?

Back

To multiply a 1-digit number by a 2-digit number, multiply the 1-digit number by each digit of the 2-digit number, starting from the right.