Rounding With a Vertical Number Line

Choose all the ways you can EXPLAIN how you solved a rounding problem.

• Draw a vertical number line with all the needed numbers and an arrow pointing from the rounded number to where it rounds.

• Write 4 and below let it go or 5 and above give it a shove.

• Draw a rounding hill with all the needed numbers and an arrow pointing from the rounded number to where it rounds.

• Write the number is above the halfway point or below the halfway point so that's why it rounds where I said.

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What is 52 rounded to the nearest ten?

• 50

• 60

• 70

• 80

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What is 44 rounded to the nearest ten?

• 40

• 50

• 60

• 70

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What is 76 rounded to the nearest ten?

• 70

• 80

• 90

• 100

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CCSS.3.NBT.A.1

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Which letters would round to 40?

• all of them

• A, C and D

• A

• A and C

• A and B

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Which letter or letters round to 700?

• all of them

• B and D

• C and D

• D

• B and C and D

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If you are rounding to the nearest ten, which dot or dots would round to 60?

• D

• all of them

• C and D

• B and C and D

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76 is between which two benchmark numbers?

• 70 and 80

• 80 and 90

• 90 and 100

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If you are rounding to the nearest ten, which dot or dots would round to 60?

• D

• all of them

• C and D

• B and C and D

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CCSS.4.NBT.A.3

If you are rounding to the nearest thousand, which dot or dots would round to 3,000 on this number line?

• all of them

• C

• B and C

• none of them

• C and D

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3