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x/÷ Numbers Year 3-4 – Multiply and divide a multiple of 10

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Presentation on theme: "x/÷ Numbers Year 3-4 – Multiply and divide a multiple of 10"— Presentation transcript:

1 x/÷ Numbers Year 3-4 – Multiply and divide a multiple of 10

2

3 10 x 20 = 200 9 x 20 = 180 3 x 20 = 60 2 x 20 = 40 1 x 20 = 20 4 x 20 = 80 5 x 20 = 100 8 x 20 = 160 7 x 20 = 140 6 x 20 = 120 0 x 20 = 0 20 40 60 80 100 120 140 160 180 200

4 20 40 60 80 100 120 140 160 180 200

5 7 x 20 = 140 20 40 60 80 100 120 140

6 3 x 20 = 60 20 40 60

7 5 x 20 = 100 20 40 60 80 100

8

9 10 x 50 = 500 2 x 50 = 100 1 x 50 = 50 0 x 50 = 0 3 x 50 = 150 4 x 50 = 200 5 x 50 = 250 9 x 50 = 450 8 x 50 = 400 7 x 50 = 350 6 x 50 = 300 50 100 150 200 250 300 350 400 450 500

10 50 100 150 200 250 300 350 400 450 500

11 550 600 650 700 750 800 850 900 950 1000 Complete +10 number sequences

12 950 900 850 800 1000 750 700 650 600 550 Complete +10 number sequences

13 500 450 400 350 300 250 200 150 100 50 Complete +10 number sequences

14 7 x 50 = 350 50 100 150 200 250 300 350

15 3 x 50 = 150 50 100 150

16 5 x 50 = 250 50 100 150 200 250

17

18 10 x 25 = 250 0 x 25 = 0 4 x 25 = 100 6 x 25 = 150 5 x 25 = 125 9 x 25 = 225 7 x 25 = 175 8 x 25 = 200 1 x 25 = 25 3 x 25 = 75 2 x 25 = 50 25 50 75 100 125 150 175 200 225 250

19 25 50 75 100 125 150 175 200 225 250

20 275 300 325 350 375 400 425 450 475 500 Complete +10 number sequences

21 500 475 450 425 400 375 350 325 300 275 Complete +10 number sequences

22 250 225 200 175 150 125 100 75 50 25 Complete +10 number sequences

23 25x table 50x table 1 x 25 = 25 2 x 25 = 50 3 x 25 = 75 4 x 25 = 100 5 x 25 = 125 6 x 25 = 150 7 x 25 = 175 8 x 25 = 200 9 x 25 = 225 10 x 25 = 250 1 x 50 = 50 2 x 50 = 100 3 x 50 = 150 4 x 50 = 200 5 x 50 = 250 6 x 50 = 300 7 x 50 = 350 8 x 50 = 400 9 x 50 = 450 10 x 50 = 500 double half

24 4 x 25 = 100 25 50 75 100

25 9 x 25 = 225 25 50 75 100 125 150 175 200 225

26 5 x 25 = 125 25 50 75 100 125

27

28 2 x 50 = 100 50 100

29 7 x 20 = 140 20 40 60 80 100 120 140

30 9 x 50 = 450 50 100 150 200 250 300 350 400 450

31 9 x 25 = 225 25 50 75 100 125 150 175 200 225

32 1 x 20 = 20 20

33 8 x 20 = 160 20 40 60 80 100 120 140 160

34 3 x 25 = 75 25 50 75

35 5 x 50 = 250 50 100 150 200 250

36 5 x 25 = 125 25 50 75 100 125

37

38 10 x 30 = 300 1 x 30 = 30 3 x 30 = 90 2 x 30 = 60 4 x 30 = 120 5 x 30 = 150 9 x 30 = 270 8 x 30 = 240 7 x 30 = 210 6 x 30 = 180 0 x 30 = 0 30 60 90 120 150 180 210 240 270 300

39

40 30 60 90 120 150 180 210 240 270 300

41

42 10 x 40 = 400 4 x 40 = 160 6 x 40 = 240 5 x 40 = 200 8 x 40 = 320 2 x 40 = 80 1 x 40 = 40 9 x 40 = 360 3 x 40 = 120 0 x 40 = 0 7 x 40 = 280 40 80 120 160 200 240 280 320 360 400

43

44 40 80 120 160 200 240 280 320 360 400

45

46 10 x 60 = 600 6 x 60 = 360 7 x 60 = 420 5 x 60 = 300 8 x 60 = 480 9 x 60 = 540 1 x 60 = 60 2 x 60 = 120 3 x 60 = 180 0 x 60 = 0 4 x 60 = 240 60 120 180 240 300 360 420 480 540 600

47

48 60 120 180 240 300 360 420 480 540 600

49

50 10 x 70 = 700 1 x 70 = 70 0 x 70 = 0 5 x 70 = 350 8 x 70 = 560 9 x 70 = 630 2 x 70 = 140 3 x 70 = 210 7 x 70 = 490 4 x 70 = 280 6 x 70 = 420 70 140 210 280 350 420 490 560 630 700

51

52 70 140 210 280 350 420 490 560 630 700

53

54 10 x 80 = 800 3 x 80 = 240 2 x 80 = 160 4 x 80 = 320 5 x 80 = 400 9 x 80 = 720 1 x 80 = 80 8 x 80 = 640 7 x 80 = 560 6 x 80 = 480 0 x 80 = 0 80 160 240 320 400 480 560 640 720 800

55

56 80 160 240 320 400 480 560 640 720 800

57

58 10 x 90 = 900 1 x 90 = 90 0 x 90 = 0 9 x 90 = 810 3 x 90 = 270 2 x 90 = 180 5 x 90 = 450 8 x 90 = 720 7 x 90 = 630 6 x 90 = 540 4 x 90 = 360 90 180 270 360 450 540 630 720 810 900

59

60 90 180 270 360 450 540 630 720 810 900

61

62 3 x 90 = 270 90 180 270

63 6 x 70 = 420 70 140 210 280 350 420

64 2 x 60 = 120 60 120

65 8 x 30 = 240 30 60 90 120 150 180 210 240

66 9 x 40 = 360 40 80 120 160 200 240 280 320 360

67 5 x 80 = 400 80 160 240 320 400

68 8 x 90 = 720 90 180 270 360 450 540 630 720

69 4 x 30 = 120 30 60 90 120

70 7 x 60 = 420 60 120 180 240 300 360 420

71 6 x 40 = 240 40 80 120 160 200 240

72 7 x 80 = 560 80 160 240 320 400 480 560

73 8 x 70 = 560 70 140 210 280 350 420 490 560

74

75 10 x 2 = 20 80 ÷ 2 = 40 10 10 10 10 20 40 60 80

76 80 ÷ 2 = 40

77 10 x 2 = 20 120 ÷ 2 = 60 10 10 10 10 10 10 20 40 60 80 100 120

78 120 ÷ 2 = 60

79

80 10 x 3 = 30 150 ÷ 3 = 50 10 10 10 10 10 30 60 90 120 150

81 150 ÷ 3 =

82 150 ÷ 3 = 50

83 10 x 3 = 30 210 ÷ 3 = 70 10 10 10 10 10 10 10 30 60 90 120 150 180 210

84 210 ÷ 3 =

85 210 ÷ 3 = 70

86

87 10 x 4 = 40 160 ÷ 4 = 40 10 10 10 10 40 80 120 160

88 160 ÷ 4 =

89 160 ÷ 4 = 40

90 10 x 4 = 40 320 ÷ 4 = 80 10 10 10 10 10 10 10 10 40 80 120 160 200 240 280 320

91

92 10 x 5 = 50 150 ÷ 5 = 30 10 10 10 50 100 150

93 10 x 5 = 50 350 ÷ 5 = 70 10 10 10 10 10 10 10 50 100 150 200 250 300 350

94

95 10 x 6 = 60 360 ÷ 6 = 60 10 10 10 10 10 10 60 120 180 240 300 360

96 10 x 6 = 60 540 ÷ 6 = 90 10 10 10 10 10 10 10 10 10 60 120 180 240 300 360 420 480 560

97

98 10 x 7 = 70 350 ÷ 7 = 50 10 10 10 10 10 70 140 210 280 350

99 10 x 7 = 70 560 ÷ 7 = 80 10 10 10 10 10 10 10 10 70 140 210 280 350 420 490 560

100

101 10 x 8 = 80 400 ÷ 8 = 50 10 10 10 10 10 80 160 240 320 400

102 10 x 8 = 80 560 ÷ 8 = 70 10 10 10 10 10 10 10 80 160 240 320 400 480 560

103

104 10 x 9 = 90 360 ÷ 9 = 40 10 10 10 10 90 180 270 360

105 10 x 9 = 90 720 ÷ 9 = 80 10 10 10 10 10 10 10 10 90 180 270 360 450 540 630 720


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