Rounding

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, while keeping its value close to what it was.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest hundred thousand?

Back

Rounding to the nearest hundred thousand means finding the closest multiple of 100,000 to a given number.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number?

Back

To round a number, look at the digit to the right of the place value you are rounding to. If it's 5 or more, round up. If it's less than 5, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 399,939 rounded to the nearest hundred thousand?

Back

400,000

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 67,396 rounded to the nearest ten?

Back

67,400

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 384,392 rounded to the nearest hundred?

Back

384,400

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 34,503 rounded to the nearest hundred?

Back

34,500

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is 9,778,339 rounded to the nearest million?

Back

10,000,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding up?

Back

If the digit to the right of the rounding place is 5 or greater, increase the rounding place by one.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the rule for rounding down?

Back

If the digit to the right of the rounding place is less than 5, keep the rounding place the same.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3