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Addition with Regrouping
Addition WITHOUT Regrouping
Guess the Missing Part
All Mixed Up Addition
Wanna try 4 DIGITS?!
100

326+297=

623

100

128+231=

359

100

1_2+345=457

1

100

125+189=

314

100

1,000+4,000=

5,000

200

145+145=

290

200

100+200=

300

200

222+76_=985

3

200

534+223=

757

200

7,200+2,600=

9,800

300

567+390=

957

300

450+525=

975

300

234+1_3=357

2

300

456+258=

714

300

3,420+2,150=

5,570

400

827+229=

1,056

400

500+482=

982

400

8_8+3_3=1,221

8 and 3

400

897+128=

1,025

400

4,327+4,372=

8,699

500

999+128=

1,127

500

765+234=

999

500

628+15_=784

6

500

999+999=

1,998

500

5,289+3,941=

9,230