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Senior Level 0

Seniors Lesson 2

I hope Mock Test 1 wasn’t too challenging for you! In Mock Test 2, you’ll learn how to add numbers 6 and 7 both on the abacus and mentally without it! Plus, you'll discover a cool divisibility trick by 2. Keep practicing and improving – you've got this! 🥀

1 / 60

4

-2

6

2 / 60

6

1

-6

3 / 60

6

2

-7

4 / 60

7

-7

6

2

5 / 60

1

1

6

6 / 60

7

-7

5

7 / 60

1

6

-7

8 / 60

5

2

-7

9 / 60

1

7

1

10 / 60

5

2

-7

2

11 / 60

6

1

-7

8

12 / 60

2

7

-6

13 / 60

4

-1

6

14 / 60

1

6

1

15 / 60

2

-2

6

16 / 60

7

2

-7

17 / 60

4

-2

6

-7

18 / 60

4

5

-6

19 / 60

6

1

-6

7

20 / 60

2

-2

7

21 / 60

2

7

-7

22 / 60

6

1

-7

23 / 60

7

-5

-2

24 / 60

4

-4

7

25 / 60

2

6

-3

26 / 60

3

5

-7

27 / 60

6

2

-7

28 / 60

7

-1

-1

29 / 60

2

5

-7

8

30 / 60

5

-5

6

31 / 60

5

2

-7

9

32 / 60

1

5

1

33 / 60

4

-3

6

34 / 60

4

-4

5

35 / 60

2

5

-6

3

36 / 60

5

4

-7

-1

37 / 60

5

3

-6

38 / 60

6

3

-6

39 / 60

1

1

7

40 / 60

4

5

-6

5

41 / 60

2

5

-6

42 / 60

6

1

-6

43 / 60

2

-2

6

-5

 

44 / 60

5

2

-6

8

45 / 60

7

-7

6

46 / 60

7

-2

-5

47 / 60

7

1

1

48 / 60

2

5

-7

49 / 60

6

2

-6

50 / 60

6

1

-6

5

51 / 60

6

-6

7

52 / 60

4

5

-7

53 / 60

4

5

-7

-2

54 / 60

1

5

-6

55 / 60

5

4

-7

56 / 60

5

2

-6

57 / 60

7

1

-7

58 / 60

5

3

-7

59 / 60

5

2

-7

8

60 / 60

2

5

-7

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