Powers of 10 (Grade 5)

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Powers of 10

1. 
Ten to the first power is written as which of the following?
  1. [math]100[/math]
  2. [math]10^1[/math]
  3. [math]1[/math]
  4. [math]1000[/math]
2. 
10 to the 3rd power
  1. 1,000
  2. 100
  3. 10
  4. 1
3. 
1,000 is shown as what exponent?
  1. [math]10^1[/math]
  2. [math]100^2[/math]
  3. [math]10^3[/math]
  4. [math]1^3[/math]
4. 
Which is another way of expressing [math]10^3?[/math]
  1. [math]10 xx 10 xx 10[/math]
  2. 1,000,000
  3. 100
  4. [math]10 xx 10 xx 10 xx 10[/math]
5. 
Which of the following shows the number 10,000 written as a power of 10?
  1. [math]10^3[/math]
  2. [math]10^4[/math]
  3. [math]10^5[/math]
  4. [math]10^6[/math]
6. 
What is another way of writing one million?
  1. [math]10^3[/math]
  2. [math]10^4[/math]
  3. [math]10^5[/math]
  4. [math]10^6[/math]
7. 
Which power of 10 completes the equation below?

[math]7.2[/math] [math]xx[/math]                   [math]=[/math] [math]720[/math]
  1. [math]10^1[/math]
  2. [math]10^2[/math]
  3. [math]10^3[/math]
  4. [math]10^4[/math]
8. 
Which of the following is another way to write the number 200?
  1. [math]2 + 10^1[/math]
  2. [math]2 xx 10^1[/math]
  3. [math]2 + 10^2[/math]
  4. [math]2 xx 10^2[/math]
9. 
Look at the pattern below:

[math]4 xx 10^1 = 40[/math]
[math]4 xx 10^2 = 400[/math]
[math]4 xx 10^3 = 4000[/math]

Which statement best summarizes this pattern?
  1. The exponent shows the number of places the decimal moves to the left.
  2. The exponent shows the number of places the decimal moves to the right.
  3. There is no relationship between the exponent that the ten is raised to and decimal placement.
10. 
Look at the number below:

0.05

Which of the following best explains what happens when the decimal above is multiplied by [math]10^2[/math]?
  1. The decimal shifts 2 places to the left.
  2. The decimal shifts 2 places to the right.
  3. The decimal does not shift, but 0.05 is divided by 2.
  4. The decimal does not shift, but 0.05 is multiplied by 2.

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