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Abacus Juniors Experts

Abacus Juniors Experts Lesson 5

Addition and subtraction in the 100s, practice without regrouping.

1 / 50

611

-111

2 / 50

400

-100

3 / 50

232

555

4 / 50

466

-166

5 / 50

277

-111

6 / 50

744

-611

7 / 50

888

-678

8 / 50

111

666

9 / 50

324

665

10 / 50

247

552

11 / 50

477

-366

12 / 50

666

-555

13 / 50

555

212

14 / 50

277

-116

15 / 50

876

-555

16 / 50

255

211

17 / 50

444

-124

18 / 50

444

505

19 / 50

777

-222

20 / 50

244

-133

21 / 50

244

-124

22 / 50

999

-444

23 / 50

255

233

24 / 50

123

-111

25 / 50

751

126

26 / 50

544

-511

27 / 50

222

121

28 / 50

449

-200

29 / 50

222

515

30 / 50

488

511

31 / 50

888

-555

32 / 50

999

-888

33 / 50

359

510

34 / 50

711

111

35 / 50

855

122

36 / 50

444

-123

37 / 50

999

-666

38 / 50

333

-311

39 / 50

411

511

40 / 50

999

-121

41 / 50

566

-555

42 / 50

999

-777

43 / 50

453

515

44 / 50

599

100

45 / 50

131

112

46 / 50

555

222

47 / 50

111

131

48 / 50

522

111

49 / 50

666

111

50 / 50

444

-244

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