Multiplication by Large Place Values and their Multiples (Part 1)

This lesson teaches how to multiply a single-digit whole number by a place value or its multiple. It explains that multiplying by place values like 10, 100, or 1,000 results in the original number followed by the same number of zeros as in the place value. Examples include multiplying 7 by 100 to get 700 and by 1,000 to get 7,000. The process involves multiplying the number by the digit 1 and appending the zeros from the place value.

What is the result of multiplying 7 by 100?

• 70,000

• 70

• 700

• 7,000

When multiplying a number by a place value, what do you do with the zeros?

• Add them to the left of the number

• Ignore them

• Subtract them from the number

• Add them to the right of the number

How many zeros are added when multiplying 7 by 1,000?

• 4

• 3

• 1

• 2

What is the first step in multiplying a number by a place value?

• Divide by the place value

• Multiply by the first digit of the place value

• Add zeros first

• Subtract the place value

What is the product of 7 and 1,000?

• 70,000

• 700

• 7,000

• 70