0%
0 votes, 0 avg
13

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

16

-10

-5

2 / 60

30

4

5

3 / 60

4

-2

20

4 / 60

18

-6

7

5 / 60

10

7

-6

6 / 60

1

17

-10

7 / 60

19

-10

-4

8 / 60

17

-2

-5

9 / 60

16

2

-7

10 / 60

55

22

22

11 / 60

30

1

5

12 / 60

17

-10

-6

13 / 60

10

10

10

14 / 60

2

17

-6

15 / 60

1

2

16

16 / 60

18

-10

-2

17 / 60

55

33

-22

18 / 60

10

5

1

19 / 60

30

9

-5

20 / 60

16

1

-17

21 / 60

5

1

20

22 / 60

44

-22

11

23 / 60

16

-5

1

24 / 60

4

5

10

25 / 60

17

1

-6

26 / 60

55

11

22

27 / 60

16

-6

7

28 / 60

66

22

-33

29 / 60

18

1

-4

30 / 60

2

-2

20

31 / 60

16

1

1

32 / 60

1

10

6

33 / 60

19

-3

-1

34 / 60

15

1

-16

35 / 60

18

-1

-1

36 / 60

30

9

-7

37 / 60

10

5

4

38 / 60

1

5

12

39 / 60

4

-3

18

40 / 60

18

-3

-5

41 / 60

30

3

5

42 / 60

19

-9

8

43 / 60

16

1

2

44 / 60

19

-6

5

45 / 60

50

40

-10

46 / 60

88

11

-22

47 / 60

19

-7

6

48 / 60

77

-11

-11

49 / 60

18

1

-8

50 / 60

20

5

2

51 / 60

2

17

-9

52 / 60

4

-3

20

53 / 60

15

2

-17

54 / 60

18

-6

1

55 / 60

19

-5

-10

56 / 60

19

-8

5

57 / 60

5

-5

19

58 / 60

30

10

-20

59 / 60

5

3

10

60 / 60

15

2

-1

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