Multiplying by Multiples of 10

What is a quick way to find the result of multiplying 4 by 2?

• Using repeated addition

• Using a calculator

• Using division

• Using subtraction

What is a multiple of 10?

• A number that ends with 9

• A number that ends with 1

• A number that ends with 0

• A number that ends with 5

How can you express 20 in terms of tens?

• 4 tens

• 3 tens

• 2 tens

• 1 ten

If you multiply 5 by 30, what is the first step?

• Multiply 5 by 10

• Multiply 5 by 3

• Add 5 to 30

• Subtract 5 from 30

What is the final result of multiplying 5 by 30?

• 300

• 150

• 30

• 50