Show:
adding
True or false
rounding (ten thousand)
Multiple step equation (adding)
Subtraction
200

12345+3456

15,801

200

1638+1122=3434

False 

200

Round  162,964

160,000

200

1736+2648+2467

6851

200

56,892-47,962=

8930

400

543+1234

 1777

400

1234+1234=2468

true

400

Round 233,555,458

233,560,000

400

126+456-345

237

400

100,900,876-176,945=

100,723,931

600

1924+1155

3079

600

1,212,324+1234=1,213,558

True 

600

Round 38,173,442

38,170,000

600

12345+12345+12345

37,035

600

149,000,965-123,888=

148,877,077

750

1212+4523

 5735

750

1325+345+124=2332322

False 

750

Round 336,776,588

336,780,000

750

1233+765+667

2665

750

100,000,000-545

99,999,455

1000

111,332,456+321,975,321

433,307,777

1000

12345x3=37,035

True

1000

Round 344,543,455

344,540,000

1000

123+123+321

567

1000

999,999,879-575,878,476=

424,121,403