0 votes, 0 avg

Senior Level 0

Seniors Lesson 4

Hey friend! Congratulations on starting to use the tens place on the abacus, and now you know how to add and subtract numbers in the tens place – both on the abacus and without it. Well done! Keep practicing! In this mock test, you'll be working with numbers 10-15. All the best! ☀️

1 / 60

10

5 -5

2 / 60

5

10

3

3 / 60

4

10 -2

4 / 60

12

2

5

5 / 60

10

8 -1

6 / 60

4 -3

13

7 / 60

10

6 -1

8 / 60

13

6 -4

9 / 60

14

5 -9

10 / 60

10

4 -14

11 / 60

10

8

1

12 / 60

5

10 -5

13 / 60

1 -1

13

14 / 60

12 -1

5

15 / 60

1

11

5

16 / 60

1

10

7

17 / 60

10

4 -4

18 / 60

10

9 -5

19 / 60

4 -2

10

20 / 60

4 -1

10

21 / 60

11 -1

4

22 / 60

10

7 -2

23 / 60

10

9 -3

24 / 60

3

5

10

25 / 60

3 -3

10

26 / 60

2

10

7

27 / 60

10

6

3

28 / 60

9 -4

10

29 / 60

11

8 -2

30 / 60

15

3 -2

31 / 60

15

1

32 / 60

10

8 -5

33 / 60

10

8 -7

34 / 60

1

10

35 / 60

10

1

36 / 60

10

2

37 / 60

11

2

5

38 / 60

10

7

2

39 / 60

5

4

10

40 / 60

15 -10

-5

41 / 60

3

1

10

42 / 60

2 -1

10

43 / 60

15

2

44 / 60

9 -2

11

45 / 60

7 -2

10

46 / 60

2

10

47 / 60

6

10 -1

48 / 60

3

10

1

49 / 60

10

6 -5

50 / 60

12 -1

7

51 / 60

6

10

1

52 / 60

10

5

4

53 / 60

10

9 -1

54 / 60

10

1

10

55 / 60

10

4

5

56 / 60

2 -1

13

57 / 60

10

7 -1

58 / 60

12

6 -3

59 / 60

11

6

1

60 / 60

4

10 -2

Your score is

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Abacus Senior Level 0 – Lesson-4

10

5

-5

5

10

3

4

10

-2

12

2

5

10

8

-1

4

-3

13

10

6

-1

13

6

-4

14

5

-9

10

4

-14

10

8

1

5

10

-5

1

-1

13

12

-1

5

1

11

5

1

10

7

10

4

-4

10

9

-5

4

-2

10

4

-1

10

11

-1

4

10

7

-2

10

9

-3

3

5

10

3

-3

10

2

10

7

10