Rounding to the Nearest 10 & 100

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, such as the nearest ten or hundred.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

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

Back

You look at the ones digit (the last digit) 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 to the nearest ten?

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 to the nearest ten?

Back

You round down to the previous ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 12 to the nearest ten.

Back

10

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 65 to the nearest hundred.

Back

100

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

When rounded to the nearest ten, which number rounds to 50? 58, 45, 42, or 55?

Back

45

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 65 to the nearest ten.

Back

70

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 325 to the nearest hundred.

Back

300

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is the nearest ten to 48?

Back

50

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3