Rounding to the Nearest 10

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest value that is easier to work with, usually a multiple of 10, 100, etc.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

When rounding to the nearest ten, what do you look at?

Back

You look at the digit in the ones place to decide whether to round up or down.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If the ones digit is 5 or greater, what do you do when rounding?

Back

You round up to the next ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

If the ones digit is less than 5, what do you do when rounding?

Back

You round down to the previous ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round this number to the nearest ten: 68

Back

70

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round this number to the nearest ten: 45

Back

50

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round this number to the nearest ten: 25

Back

30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round this number to the nearest ten: 12

Back

10

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round this number to the nearest ten: 32

Back

30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten to 74?

Back

70

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3