Show:
Addition without carrying over
Addition with carrying over
Subtraction without borrowing
Subtraction with borrowing
Mixture
100

12 + 7 =?

19

100

16 + 6 = ?

22

100

28 - 10 = ?

18

100

25 - 9 = ?

16

100

25 + 5 = 13 + _?_

? = 7

200

25 + 61 = ?

86

200

27 + 13 = ?

40

200

45 - 23 = ?

22

200

63 - 25 = ?

38

200

26 - 13 = 30 - _?_

? = 17

300

453 + 324 = ?

777

300

329 + 282 = ?

611

300

698 - 254 = ?

444

300

356 - 128 = ?

228

300

2,432 + 132 + 28 = ?

2,592

400

2,371 + 214 = ?

2,585

400

4,626 + 736 = ?

5,362

400

3,621 - 510 = ?

3,111

400

2,392 - 265 = ?

2,127

400

302,671 + 120,291 = ?

422,962

500

4,211 + 2,432 = ?

6,643

500

5,261 + 2,575 = ?

7,836

500

8,936 - 4,512 = ?

4,424

500

3,421 - 2,521 = ?

900

500

698,765 - 123,450 = ?

575,315