Show:
Addition With Regrouping
Subtraction With Regrouping
3-Digit Addition With Regrouping
3-Digit Subtraction With Regrouping
Surprise!
100

103 + 27=

130

100

97-19=

78

100
296+370=
666
100

503-362=

141

100

349-156=

193

200

154 + 76=

230

200

93-47=

46

200
511+396=
907
200

678-159=

519

200

579+219=

798

300

138+96=

234

300

102-63=

39

300
393+371=
764
300

840-652=

188

300

456-328=

128

400

147+56=

203

400

83-46=

37

400
674+190=
864
400

328-258=

70

400

765-248=

517

500

239+568=

807

500

94-88=

6

500
754+197=
951
500

788-389=

399

500

500-245=

255