Rounding 10s and 100s

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten or hundred.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest 10?

Back

Rounding to the nearest 10 means finding the closest multiple of 10 to a given number.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What does it mean to round to the nearest 100?

Back

Rounding to the nearest 100 means finding the closest multiple of 100 to a given number.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number ending in 5 to the nearest 10?

Back

If a number ends in 5, you round up to the next ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number ending in 1, 2, 3, or 4 to the nearest 10?

Back

If a number ends in 1, 2, 3, or 4, you round down to the previous ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you round a number ending in 6, 7, 8, or 9 to the nearest 10?

Back

If a number ends in 6, 7, 8, or 9, you round up to the next ten.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 777 to the nearest 100.

Back

800

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 95 to the nearest 10.

Back

100

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 34 to the nearest 10.

Back

30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

Round 68 to the nearest 10.

Back

70

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3