Rounding to the Nearest Ten or Hundred

What is the purpose of rounding a number?

• To find the exact value

• To find an approximate value

• To make calculations harder

• To change the number completely

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

If Levi's baseball bat is 32 inches long, what is its length rounded to the nearest ten?

• 50 inches

• 40 inches

• 30 inches

• 20 inches

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Which of the following numbers rounds to 30 when rounded to the nearest ten?

• 26

• 35

• 45

• 55

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

What is 174 rounded to the nearest hundred?

• 150

• 250

• 100

• 200

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

When rounding 718 to the nearest ten, what is the result?

• 710

• 720

• 730

• 740

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

When rounding 718 to the nearest hundred, what is the result?

• 600

• 900

• 800

• 700

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

If the digit to the right of the rounding place is less than 5, what happens to the rounding digit?

• It increases by one

• It becomes zero

• It decreases by one

• It stays the same

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

Round 63 to the nearest ten using place value rules.

• 50

• 80

• 70

• 60

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

What is 457 rounded to the nearest hundred?

• 400

• 450

• 550

• 500

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1

If the digit to the right of the rounding place is 5 or greater, what happens to the rounding digit?

• It increases by one

• It becomes zero

• It decreases by one

• It stays the same

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CCSS.4.NBT.A.3

CCSS.3.NBT.A.1