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口算小能手.

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Presentation on theme: "口算小能手."— Presentation transcript:

1 口算小能手

2 乘法

3 9 9×1=

4 1 1×1=

5 8 8×1=

6 7 7×1=

7 8×3= 24

8 6 6×1=

9 5 5×1=

10 4 4×1=

11 2 2×1=

12 8×1= 8

13 2×5= 10

14 2×8= 16

15 2×9= 18

16 7×2= 14

17 3×1= 3

18 3×3= 9

19 3×5= 15

20 3×7= 21

21 6×2= 12

22 3×8= 24

23 2×6= 12

24 4×1= 4

25 4×3= 12

26 3×2= 6

27 4×4= 16

28 7×5= 35

29 3×6= 18

30 4×6= 24

31 4×7= 28

32 3×9= 27

33 4×9= 36

34 5 5×1=

35 4×2= 8

36 6×3= 18

37 5×2= 10

38 5×3= 15

39 4×5= 20

40 5×5= 25

41 5×6= 30

42 5×7= 35

43 3 3×1=

44 4×8= 32

45 5×8= 40

46 6×1= 6

47 8×2= 16

48 6×8= 48

49 2×7= 14

50 5×4= 20

51 7×1= 7

52 8 2×4=

53 7×4= 28

54 2 2×1=

55 4 2×2=

56 6×4= 24

57 9×3= 27

58 9×5= 45

59 8×4= 32

60 7×3= 21

61 8×5= 40

62 3×4= 12

63 9×1= 9

64 6 2×3=

65 6×5= 30

66 5×9= 45

67 9×2= 18

68 9×4= 36


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