Estimation, Rounding,

& Exponents

Quiz Review

A

B

C

Estimate and pick the most appropriate answer

576 ÷ 12

57

41

50 End Review

Question 1

Try AgainTry AgainHERE IS A HINT:HERE IS A HINT: Make sure you pick the most appropriate Make sure you pick the most appropriate answer, Estimate means easy numbers to work withanswer, Estimate means easy numbers to work with

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Question 1

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Next Question

A

B

C

Round to the nearest billions place.

7,812,394,000

8,000,000,000

7,800,000,000

8,812,394,000 End Review

Question 2

Try AgainTry AgainHERE IS A HINT:HERE IS A HINT: 5 or above, give it a shove. 4 or below, 5 or above, give it a shove. 4 or below, just let it gojust let it go

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Question 2

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A

B

C

Pick the best estimate:

6.7 ● 5.2 =

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35

60

34.84

Question 3

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Question 3

HERE IS A HERE IS A HINT: Estimate means EASY numbers to work HINT: Estimate means EASY numbers to work with with

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A

B

C

8,123,456,789.32

8,123,456,800

8,123,456,790 End Review

Round to the nearest hundreds place.

8,123,456,789.321

Question 4

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Question 4

HERE IS A HINT:HERE IS A HINT: The 7 is in the Hundreds place

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Next Question

A

B

C

7

7.501

11 End Review

Estimate:

6.347 + 1.154 =

Question 5

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Question 5

HERE IS A HINT:HERE IS A HINT: Decimals make it hard to estimate… let’s Decimals make it hard to estimate… let’s get rid of them by rounding!get rid of them by rounding!

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Next Question

A

B

C

$5.00

$6.00

$5.37 End Review

Ed is buying chocolate chip cookies from the bulk foods section. The cookies cost 1.79 per pound. Ed

wants to buy 3 pounds of cookies? About how much will the cookies

cost?

Question 6

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Question 6

HERE IS A HINT:HERE IS A HINT:

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HERE IS A HINT:HERE IS A HINT: Are you using the correct operation? Are you using the correct operation? (multiplication).(multiplication).

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A

B

C

30

95

100 End Review

Amy was trying to solve the problem 32.1 + 65.9. First she decided to

estimate what her answer should be. Which estimate below makes the

least sense?

Question 7

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Question 7

HERE IS A HINT:HERE IS A HINT: Notice the question asked which made the LEAST sense

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A

B

C

Yes

No

4 End Review

Are you able to explain at least one similarity and one difference between

rounding and estimation?

Question 8

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Question 8

HERE IS A HERE IS A HINT: With estimating and rounding we are HINT: With estimating and rounding we are talking about changing the numbers to numbers that are talking about changing the numbers to numbers that are easier to work with. However, with rounding there are very easier to work with. However, with rounding there are very strict rules and for estimation we have a little more strict rules and for estimation we have a little more freedom. Estimation can involve rounding, but we are not freedom. Estimation can involve rounding, but we are not forced to follow the strict rules!!!forced to follow the strict rules!!!

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Next Question

Even though you said yesEven though you said yes: With estimating and rounding : With estimating and rounding we are talking about changing the numbers to numbers we are talking about changing the numbers to numbers that are easier to work with. However, with rounding there that are easier to work with. However, with rounding there are very strict rules and for estimation we have a little are very strict rules and for estimation we have a little more freedom. Estimation can involve rounding, but we more freedom. Estimation can involve rounding, but we are not forced to follow the strict rules!!!are not forced to follow the strict rules!!!

A

B

C

15

3 ● 3 ● 3 ● 3 ● 3

5 ● 5 ● 5 End Review

53

Is equal to what??

Question 9

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Question 9

HERE IS A HINT:HERE IS A HINT:

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HERE IS A HINT:HERE IS A HINT: The exponent tells you how many times The exponent tells you how many times to repeat the base numberto repeat the base number

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Next Question

A

B

C End Review

=

<

>

Solve and determine <, > or =.

5² 25

Question 10

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Question 10

HERE IS A HINT:HERE IS A HINT:

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HERE IS A HINT:HERE IS A HINT: Make sure you are following the rules of Make sure you are following the rules of exponents!!!exponents!!!

< means less than > means greater than< means less than > means greater than

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