ROUNDING

What does rounding a number mean?

• Changing the number to its lowest possible value

• Changing the number to its highest possible value

• Making a number less precise

• Making a number more precise

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Why might we round a number to the nearest 1,000?

• To decrease the value of the number

• To make calculations easier

• To increase precision

• Because it's always required

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is one reason we round numbers?

• To make them harder to use

• To make them easier to calculate with

• To forget the original number

• To make them look bigger

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What do we call the digit we focus on when rounding a number?

• The focal digit

• The target

• The rounding digit

• The main digit

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What happens to digits smaller than the 'target' when rounding?

• They are left unchanged

• They are removed

• They are replaced with zeros

• They are increased by one

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

If the digit to the right of the 'target' is less than 5, what do we do?

• Change all digits to zeros

• Round up

• Round down

• Leave the number as it is

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 24,623 to the nearest hundred.

• 25,000

• 24,700

• 24,500

• 24,600

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

When rounding 32.725 to the nearest whole number, what do we get?

• 32.72

• 32

• 32.7

• 33

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CCSS.5.NBT.A.4

What is the result of rounding 65.7991 to the nearest hundredth?

• 66

• 65.79

• 65.8

• 65.80

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CCSS.5.NBT.A.4

What can cause a 'chain reaction' when rounding numbers?

• A series of '5's

• A series of '0's

• A series of '9's

• A series of '1's

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3