2 by to 2
Division
Rounding
Fraction
adding and subtracting
100

10 x 30

300

100

8÷15

1 r7

100

369 Round to the nearest tens

370

100

1/5+3/5

4/5

100

246+569

815

200

25 x 40

1000

200

23÷7

30 r2

200

589 Round to the nearest hundred

600

200

6/9-3/9

3/9

200

986-468

518

300

23 x 35 

805

300

24÷27

1 r3

300

789 Round to the nearest hundred

800

300

4/8+4/8

1

300

2,892-1,653

1,239

400

79 x 86

6,794

400

109÷8

13r4

400

1,987 Round to the nearest hundred 

2,000

400

6/16 + 8/16 simply 

7/8

400

5,913 + 9,810

15,723

500

93 x 84

7,812

500

9÷274

30 r4


500

4,456 Round to the nearest thousand

4,000

500

3/6+4/6 mix number

1 r4

500

36,890-21,234

15,656