Rounding Rules

Underlined Digit

100

Underline the ones digit in: 45

5

200

Underline the tens digit in: 567

6

300

Underline the hundreds digit in: 678

6

400

Underline the hundreds digit in: 1,365

3

500

Challenge--Underline the thousands digit: 9,764

9

This or That

100

Round 67 to the nearest tens. 

Is your answer: 

This: 70    or

That: 65

70

200

Round 776 to the nearest tens. 

Is your answer: 

This: 780    or

That: 800

780

300

Round 665 to the nearest hundred.

Is your answer: 

This: 670   or

That: 700

700

400

Round 743 to the nearest ten. 

Is your answer: 

This: 740     or 

That: 700

740

500

Challenge-- Round 3,675 to the nearest thousand. 

Is your answer: 

This: 3,700   or

That: 4,000

4,000

Round

100

Round 78 to the nearest ten

80

200

Round 560 to the nearest hundred

600

300

Round 743 to the nearest ten

740

400

Round 966 to the nearest ten

970

500

Challenge-- Round 5,432 to the nearest thousand

5,000

Round the Sum

100

9+9=

Round the sum to the nearest ten

18

Rounded=20

200

32+12=

Round to the nearest ten.

44

Rounded=40

300

113+34

Round the sum to the nearest tens. 

147

rounded: 150

400

390+120

Round to the nearest hundred.

510

Rounded: 500

500

1,100+340

Round to the nearest hundred.

1,440

rounded: 1,400

Mixed Bag

100

Round 375 to the nearest hundred. 

400

200

Round 167 to the nearest tens.

Is your answer: 

This:200 or 

That: 170

170

300

Round 374 to the nearest tens. 

Is your answer: 

This: 380  or

That: 370

370

400

Underline the thousands digit. 

3,560 

3

500

1,890+465

Round to the nearest thousands. 

2,355

Rounded: 2,000