Multiplying by Powers of 10 in 5th Grade Math

This video tutorial covers the concept of multiplying numbers by powers of 10, explaining how to use powers of 10 notation and demonstrating the process of multiplying by 10, 100, and 1000. It also discusses the effect of these operations on decimal placement and provides practical examples to illustrate the concept. The tutorial aims to make students comfortable with these operations, emphasizing the ease of shifting decimals and adding zeros.

What is the result of multiplying 10 by 10?

• 1000

• 100

• 10,000

• 10

How do you write 10 multiplied by itself three times using exponents?

• 10^2

• 10^3

• 10^1

• 10^4

What is 4 times 10?

• 4000

• 40

• 400

• 4

When multiplying by 100, how many zeros do you add to the original number?

• 4

• 3

• 2

• 1

What happens to the decimal point when you multiply a number by 10?

• It disappears

• It moves one place to the left

• It moves one place to the right

• It stays the same

What is the result of multiplying 2.1 by 100?

• 2100

• 21

• 2.1

• 210

How many places do you move the decimal point when multiplying by 1000?

• 3

• 2

• 1

• 4

What is 0.54 times 10?

• 540

• 0.054

• 5.4

• 54

If a pack of gum costs $1.12, how much would 10 packs cost?

• $1,120.00

• $112.00

• $11.20

• $1.12

What is the result of multiplying 9.13 by 10^4?

• 91300

• 9130

• 913000

• 913