Round to Nearest 10
Round to Nearest 100
Add
Subtract
1

43

40

1

101

100

1

118 + 20

138

1

360 - 100 

260

2

142

140

2

587

600


2

450 + 225

675

2

425 - 214

211

3

925

930

3

572

600

3

465 + 32

497

3

549 - 256

293

4

837

840

4

849

800

4

728 + 137

865

4

630 - 333

297

5

902

900

5

959

1,000

5

376 + 235

611

5

700 - 564

136

M
e
n
u