Rounding to the Nearest Ten

Front

What is rounding to the nearest ten?

Back

Rounding to the nearest ten means adjusting a number to the closest multiple of ten. If the last digit is 5 or more, round up; if it's 4 or less, round down.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round the number 68 to the nearest ten?

Back

68 rounds to 70 because the last digit (8) is 5 or more.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the result of rounding 45 to the nearest ten?

Back

45 rounds to 50 because the last digit (5) is 5 or more.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten for the number 99?

Back

99 rounds to 100 because the last digit (9) is 5 or more.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten for the number 10?

Back

10 rounds to 10 because it is already a multiple of ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If a number ends in 1, 2, 3, or 4, how do you round it?

Back

You round down to the nearest ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If a number ends in 5, 6, 7, 8, or 9, how do you round it?

Back

You round up to the nearest ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten for the number 34?

Back

34 rounds to 30 because the last digit (4) is less than 5.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten for the number 76?

Back

76 rounds to 80 because the last digit (6) is 5 or more.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you determine if you should round up or down?

Back

Look at the last digit of the number: if it's 5 or more, round up; if it's 4 or less, round down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3