Subtracting
Adding
Multiplication
Division
Rounding
100

652-542

110

100
85 + 4,000

4,085

100

78 x 8

624

100

63 divided by 3 

21

100

Round to nearest ten thousands 

1,288,288

1,290,000

200

3,527-762

2,765

200

856 + 225

1,081

200

111 x 90

9,990

200

84 divided by 4

21

200

Round to the nearest thousand spot 

1,856 

2,000

300

18,127-9,059

9,068

300

5,423 + 9,762

15,185

300

500 x 13 

6,500

300

972 divided by 4 

243

300

Round to the nearest hundreds spot

1,450

1,500

400

16,000- 9,742

6,258

400

9,709 + 55,280

64,989

400

10 x 25 

250

400

987 divided by 6 

164 r3

400

Round to the nearest hundred thousands 

8,295,178

8,300,000

500

121,245,462- 521,641,568

400,396,106

500

255,456,524 + 289,888,924

545,345,448

500

25 x 78 

1,950

500

1,006 divided by 7 

143 r5

500

Round to the nearest million 

6,872,431

7,000,000