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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

5

2

-6

2 / 60

6

3

-6

3 / 60

7

-7

6

4 / 60

2

6

-3

5 / 60

5

-5

6

6 / 60

6

1

-6

7 / 60

7

-2

-5

8 / 60

2

-2

6

9 / 60

1

6

-7

10 / 60

5

2

-7

2

11 / 60

6

1

-6

12 / 60

1

1

7

13 / 60

6

2

-6

14 / 60

5

2

-7

15 / 60

1

1

6

16 / 60

2

7

-6

17 / 60

2

7

-7

18 / 60

4

5

-6

5

19 / 60

5

2

-7

8

20 / 60

5

4

-7

-1

21 / 60

4

5

-7

-2

22 / 60

2

-2

7

23 / 60

3

5

-7

24 / 60

7

-1

-1

25 / 60

5

3

-7

26 / 60

7

-7

6

2

27 / 60

2

5

-6

3

28 / 60

6

1

-7

8

29 / 60

2

5

-7

8

30 / 60

4

-1

6

31 / 60

1

5

-6

32 / 60

5

2

-6

8

33 / 60

7

-5

-2

34 / 60

7

1

-7

35 / 60

6

2

-7

36 / 60

5

4

-7

37 / 60

6

1

-6

7

38 / 60

4

-2

6

-7

39 / 60

7

-7

5

40 / 60

1

6

1

41 / 60

4

5

-7

42 / 60

4

-4

7

43 / 60

4

-4

5

44 / 60

4

5

-6

45 / 60

2

5

-7

46 / 60

2

5

-7

47 / 60

1

7

1

48 / 60

6

1

-7

49 / 60

6

2

-7

50 / 60

4

-2

6

51 / 60

5

3

-6

52 / 60

7

1

1

53 / 60

2

-2

6

-5

 

54 / 60

1

5

1

55 / 60

5

2

-7

9

56 / 60

6

1

-6

5

57 / 60

2

5

-6

58 / 60

4

-3

6

59 / 60

7

2

-7

60 / 60

6

-6

7

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