x
divide
subtraction
addition
rounding
100

3 x 8

24

100

10 divided by 2

5

100

81- 68= 

13

100

87 + 97= 

184

100

Round to the nearest 10


712

710

200

4 x 9

36

200

18 divided by 3

6

200

273 - 98= 

175

200

642 +562 = 

1,204

200

Round to the nearest 10


864

860

300

5 x 11

55

300

24 divided by 3

8

300

1,872 - 982= 

890

300
389 + 781= 

1,170

300

Round to the nearest 100


789

800

400

12 x 6

72

400

64 divided by 8


8

400

3,254 - 982

2,272

400

4,781 + 2,761

7,542

400

Round to the nearest 100


8,979

9,000

500

6 x 4 + 6 x 3 

24+18=42

500

54 divided by 9

6

500

8,762 - 2,684

6,078

500

212 + 464 + 379= 

1,055

500

Round to the nearest 10 


4,671

4,670