Powers of Ten Review

Powers of 10

Multiplying/Dividing by Powers of 10

Multiple Select

Ten to the fifth power...

• $$10^2$$

• $$10^5$$

• $$5^{10}$$

• 5x10

Multiple Choice

Mr. Jones bought 100,000 packs of headphones. What is the correct representation for 100,000?

• 10³

• 10⁴

• 10⁵

• 10⁶

Multiple Select

$$How\ do\ we\ represent\ 10^3?$$

CHECK ALL THAT APPLY!

• 103

• 10 x 10 x 10

• 1000

• $$3^{10}$$  

Multiple Choice

Which exponent form does 10000 represent?

• $$10^2$$

• $$10^3$$

• $$10^4$$

• $$10^5$$

Multiple Select

Solve. Check all that apply.
$$10\ x\ 10\ x\ 10\ x\ 10=$$  

• 10,000

• 1,000

• 100

• $$10^4$$   

Multiple Select

How many zeros will be in the answer:  $$3\ \times\ 10^6$$  

• 3

• 4

• 5

• 6

Multiple Select

How many zeros will be in the answer:  $$30\ \times\ 10^6$$  

• 4

• 5

• 6

• 7

Multiple Choice

When multiplying a whole number by a Power of 10, the exponent...

• is for decorations.

• tells you how many zeros to add to the whole number.

• tells you how many zeros to take away from the whole number.

• tells you how many times to move the decimal.

Multiple Select

Which ways can we express the product: 34 x 100

CHECK ALL ANSWERS THAT APPLY.

• 3400

• 3000 + 400

• Three thousand four

• Three thousand four hundred

Multiple Choice

Solve. 

3 x _____ = 3,000

• 
  

  $$10^2$$
  

• $$10^3$$

• $$10^4$$

Multiple Choice

Solve.
$$4\ x\ 10^4$$  

• 44

• 4,000

• 404

• 40,000

Multiple Choice

When multiplying a decimal by a Power of 10, the exponent...

• is decorations.

• tells you how many zeros to add.

• tells you how many times to move the decimal to the right.

• tells you how many times to move the decimal to the left.

Multiple Choice

How many times do we move the decimal in:

$$3.12\ \times\ 10^3$$  

• 1

• 2

• 3

• 4

Multiple Choice

Solve.
  $$3.58\ \times$$  ______ = 3580

• $$10^2$$  

• $$10^3$$  

• $$10^4$$  

Poll

Josie, Guillermo, and Mr. Jones were solving $$4.32\ x\ 10^4$$  and their answer is 43,200. Do you agree or disagree? 

Multiple Choice

When dividing a decimal by a Power of 10, the exponent...

• is decorations.

• tells you how many zeros to add.

• tells you how many times to move the decimal to the right.

• tells you how many times to move the decimal to the left.

Multiple Select

Which of the following are correct?

• 8 ÷ 10 = 0.8

• 8 ÷ 100 = 0.08

• 8 ÷ 1000 = 0.008

• 8 ÷ 10 = 80

Multiple Select

Which of the following are correct?

• 1000 ÷ 10 = 100

• 1000 ÷ 10² = 10

• 1000 ÷ 10 = 1

• 5000 ÷ 10² = 50

Multiple Choice

540,000 ÷ 10³

How many zeros are we taking away?

• 1

• 2

• 3

• 4

Multiple Choice

Solve.

540,000 ÷ 10³

• 54

• 540

• 5400

• 54000

Poll

12,000,000 ÷ 10⁶ = 12

Multiple Select

How many times and which directions does the decimal move?
$$0.5\ \div\ 10^3$$   

• Left

• Right

Multiple Choice

How many zeros are we taking away?

43,500,000 ÷ 10⁴

Multiple Choice

Solve.

43,500,000 ÷ 10⁴

• 43,500

• 4,350

• 435

• 43.5

Multiple Choice

Mrs. Pulliam and Mr. Jones divide $10,000,000 among the 100 5th graders. 

What is  $$10,000,000\div1000$$ ? 

• 100,000

• 10,000

• 1,000

Poll

Which of the following do you need help with?

• Multiplying Whole Number by Powers of 10

• Dividing Whole Number by Powers of 10

• Multiplying Decimals by Powers of 10

• Dividing Decimals by Powers of 10