Rounding Review

Hundreds

100

Round 78 to the nearest hundred

^{Hint: is eight a round up or round down number?}

100

200

Round 164 to the nearest hundred

^{Hint: is six a round up or round down number?}

200

300

Round 421 to the nearest hundred

^{Hint: is two a round up or round down number?}

400

400

Round 5 to the nearest hundred

^{Hint: is five a round up or round down number?}

0

500

Round 999 to the nearest hundred

^{Hint: is nine a round up or round down number?}

1000

Tens

100

Round 23 to the nearest ten

^{Hint: is three a round up or round down number?}

20

200

Round 48 to the nearest ten

^{Hint: is eight a round up or round down number?}

50

300

Round 79 to the nearest ten

^{Hint: is nine a round up or round down number?}

80

400

Round 129 to the nearest ten

^{Hint: is nine a round up or round down number?}

130

500

Round 984 to the nearest ten

^{Hint: is four a round up or round down number?}

980

Tens & Hundreds

100

Round the number 14 to the nearest ten AND to the nearest hundreds

Nearest ten = 10

Nearest hundred = 100

200

Round the number 78 to the nearest ten AND to the nearest hundreds

Nearest ten = 80

Nearest hundred = 100

300

Round the number 102 to the nearest ten AND to the nearest hundreds

Nearest ten = 100

Nearest hundred = 100

400

Round the number 343 to the nearest ten AND to the nearest hundreds

Nearest ten = 340

Nearest hundred = 300

500

Round the number 568 to the nearest ten AND to the nearest hundreds

Nearest ten = 570

Nearest hundred = 600

Number Line Practice

100

On a number line, what two tens does the number 87 fall between?

80 and 90

200

On a number line, what two tens does the number 25 fall between?

20 and 30

300

On a number line, what two tens does the number 13 fall between?

10 and 20

400

On a number line, what two hundreds does the number 159 fall between?

100 and 200

500

On a number line, what two hundreds does the number 981 fall between?

900 and 1000

Rounding Basics

100

0, 1, 2, 3, 4 are ROUND UP or ROUND DOWN numbers?

ROUND DOWN!

200

5, 6, 7, 8, 9 are ROUND UP or ROUND DOWN numbers?

ROUND UP!

300

When you are rounding, your answer should always end in a . . .

ZERO or 0

400

If you are rounding 85 to the nearest ten, what digit would you circle and which digit would you underline?

Circle the 8 and underline the 5!

500

If you are rounding 256 to the nearest hundred, what digit would you circle and which digit would you underline?

Circle the 2 and underline the 5!