Multiplication With Multiples of 10

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 = 12).

Front

What are multiples of 10?

Back

Multiples of 10 are numbers that can be expressed as 10 times an integer. Examples include 10, 20, 30, 40, etc.

Front

How do you multiply a number by 10?

Back

To multiply a number by 10, simply add a zero to the end of that number. For example, 5 x 10 = 50.

Front

What is the product of 45 x 60?

Back

2700

Front

What is the product of 65 x 70?

Back

4550

Front

What is the product of 65 x 20?

Back

1300

Front

What is the product of 70 x 14?

Back

980

Front

What is the product of 20 x 34?

Back

680

Front

How do you multiply two numbers that are both multiples of 10?

Back

Multiply the first numbers (ignoring the zeros), then add the total number of zeros from both numbers to the end of the product. For example, 30 x 40 = (3 x 4) followed by 4 zeros = 1200.

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).