0%
0 votes, 0 avg
15

Senior Level 0

Seniors Lesson 5

Wow, amazing! You're doing great! Now you’ve gained more confidence in working with 2-digit numbers, both on the abacus and without it! Keep up the fantastic work! 🌸

1 / 60

30

1

5

2 / 60

55

22

22

3 / 60

50

40

-10

4 / 60

16

-10

-5

5 / 60

17

1

-6

6 / 60

19

-8

5

7 / 60

18

-6

7

8 / 60

1

10

6

9 / 60

30

3

5

10 / 60

19

-10

-4

11 / 60

15

2

-17

12 / 60

19

-3

-1

13 / 60

30

9

-7

14 / 60

4

-3

20

15 / 60

10

5

1

16 / 60

19

-5

-10

17 / 60

2

17

-9

18 / 60

16

-6

7

19 / 60

1

17

-10

20 / 60

55

11

22

21 / 60

10

10

10

22 / 60

16

1

-17

23 / 60

17

-10

-6

24 / 60

16

1

2

25 / 60

44

-22

11

26 / 60

4

5

10

27 / 60

66

22

-33

28 / 60

55

33

-22

29 / 60

5

1

20

30 / 60

77

-11

-11

31 / 60

10

7

-6

32 / 60

4

-2

20

33 / 60

15

2

-1

34 / 60

16

-5

1

35 / 60

19

-7

6

36 / 60

17

-2

-5

37 / 60

1

2

16

38 / 60

10

5

4

39 / 60

18

1

-4

40 / 60

4

-3

18

41 / 60

18

-1

-1

42 / 60

5

3

10

43 / 60

1

5

12

44 / 60

2

17

-6

45 / 60

30

9

-5

46 / 60

5

-5

19

47 / 60

19

-9

8

48 / 60

19

-6

5

49 / 60

16

1

1

50 / 60

18

-10

-2

51 / 60

20

5

2

52 / 60

15

1

-16

53 / 60

30

4

5

54 / 60

30

10

-20

55 / 60

88

11

-22

56 / 60

16

2

-7

57 / 60

2

-2

20

58 / 60

18

-6

1

59 / 60

18

-3

-5

60 / 60

18

1

-8

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