1. Virtual Money Activity 4 Operations Shopkeeper Subtraction
YUMI DEADLY CENTRE School of Curriculum
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Virtual Money Activity 4 Operations Shopkeeper Subtraction
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YuMi Deadly Maths Past Project Resource

2. How much change? Stage 1 – to nearest 10
HOW TO USE THIS MATERIAL:
Do not use this material in slide show, it will not work. Right click, and select “End Show” to exit slide show.
For further details of how to use this material, please refer to Basic Maths Booklet VB1: Mathematics behind Whole Number Place Value and Operations.
© 2007, 2013 QUT YuMi Deadly Centre

3. © 2007, 2013 QUT YuMi Deadly Centre
40 -33 7
HOW MUCH CHANGE?
$33
© 2007, 2013 QUT YuMi Deadly Centre

4. © 2007, 2013 QUT YuMi Deadly Centre
50 -41
HOW MUCH CHANGE?
$41
© 2007, 2013 QUT YuMi Deadly Centre

5. © 2007, 2013 QUT YuMi Deadly Centre
80 -73
HOW MUCH CHANGE?
$73
© 2007, 2013 QUT YuMi Deadly Centre

6. © 2007, 2013 QUT YuMi Deadly Centre
20 -18
HOW MUCH CHANGE?
$18
© 2007, 2013 QUT YuMi Deadly Centre

7. © 2007, 2013 QUT YuMi Deadly Centre
50 -45
HOW MUCH CHANGE?
$45
© 2007, 2013 QUT YuMi Deadly Centre

8. © 2007, 2013 QUT YuMi Deadly Centre
90 -87
HOW MUCH CHANGE?
$90
© 2007, 2013 QUT YuMi Deadly Centre

9. © 2007, 2013 QUT YuMi Deadly Centre
40 -34
HOW MUCH CHANGE?
$34
© 2007, 2013 QUT YuMi Deadly Centre

10. © 2007, 2013 QUT YuMi Deadly Centre
20 -14
HOW MUCH CHANGE?
$14
© 2007, 2013 QUT YuMi Deadly Centre

11. © 2007, 2013 QUT YuMi Deadly Centre
40 -37
HOW MUCH CHANGE?
$37
© 2007, 2013 QUT YuMi Deadly Centre

12. © 2007, 2013 QUT YuMi Deadly Centre
30 -28
HOW MUCH CHANGE?
$28
© 2007, 2013 QUT YuMi Deadly Centre

13. © 2007, 2013 QUT YuMi Deadly Centre
60 -55
HOW MUCH CHANGE?
$55
© 2007, 2013 QUT YuMi Deadly Centre

14. © 2007, 2013 QUT YuMi Deadly Centre
70 -61
HOW MUCH CHANGE?
$61
© 2007, 2013 QUT YuMi Deadly Centre

15. © 2007, 2013 QUT YuMi Deadly Centre
40 -34
HOW MUCH CHANGE?
$34
© 2007, 2013 QUT YuMi Deadly Centre

16. © 2007, 2013 QUT YuMi Deadly Centre
80 -76
HOW MUCH CHANGE?
$76
© 2007, 2013 QUT YuMi Deadly Centre

17. © 2007, 2013 QUT YuMi Deadly Centre
90 -82
HOW MUCH CHANGE?
$82
© 2007, 2013 QUT YuMi Deadly Centre

18. How much change? Stage 2 – to 50
© 2007, 2013 QUT YuMi Deadly Centre

19. © 2007, 2013 QUT YuMi Deadly Centre
50 -32 18
HOW MUCH CHANGE?
$32
© 2007, 2013 QUT YuMi Deadly Centre

20. © 2007, 2013 QUT YuMi Deadly Centre
50 -28
HOW MUCH CHANGE?
$28
© 2007, 2013 QUT YuMi Deadly Centre

21. © 2007, 2013 QUT YuMi Deadly Centre
50 -33
HOW MUCH CHANGE?
$33
© 2007, 2013 QUT YuMi Deadly Centre

22. © 2007, 2013 QUT YuMi Deadly Centre
50 -20
HOW MUCH CHANGE?
$20
© 2007, 2013 QUT YuMi Deadly Centre

23. © 2007, 2013 QUT YuMi Deadly Centre
50 -45
HOW MUCH CHANGE?
$45
© 2007, 2013 QUT YuMi Deadly Centre

24. © 2007, 2013 QUT YuMi Deadly Centre
50 -39
HOW MUCH CHANGE?
$39
© 2007, 2013 QUT YuMi Deadly Centre

25. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE? $4
© 2007, 2013 QUT YuMi Deadly Centre

26. © 2007, 2013 QUT YuMi Deadly Centre
50 -44
HOW MUCH CHANGE?
$40
© 2007, 2013 QUT YuMi Deadly Centre

27. © 2007, 2013 QUT YuMi Deadly Centre
50 -12
HOW MUCH CHANGE?
$12
© 2007, 2013 QUT YuMi Deadly Centre

28. © 2007, 2013 QUT YuMi Deadly Centre
50 -36
HOW MUCH CHANGE?
$36
© 2007, 2013 QUT YuMi Deadly Centre

29. © 2007, 2013 QUT YuMi Deadly Centre
50 -19
HOW MUCH CHANGE?
$19
© 2007, 2013 QUT YuMi Deadly Centre

30. © 2007, 2013 QUT YuMi Deadly Centre
50 -23
HOW MUCH CHANGE?
$23
© 2007, 2013 QUT YuMi Deadly Centre

31. © 2007, 2013 QUT YuMi Deadly Centre
50 -41
HOW MUCH CHANGE?
$41
© 2007, 2013 QUT YuMi Deadly Centre

32. © 2007, 2013 QUT YuMi Deadly Centre
50 -34
HOW MUCH CHANGE?
$34
© 2007, 2013 QUT YuMi Deadly Centre

33. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE? $7
© 2007, 2013 QUT YuMi Deadly Centre

34. How much change? Stage 3 – to 100
© 2007, 2013 QUT YuMi Deadly Centre

35. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$57
© 2007, 2013 QUT YuMi Deadly Centre

36. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$65
© 2007, 2013 QUT YuMi Deadly Centre

37. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$82
© 2007, 2013 QUT YuMi Deadly Centre

38. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$39
© 2007, 2013 QUT YuMi Deadly Centre

39. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$46
© 2007, 2013 QUT YuMi Deadly Centre

40. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$74
© 2007, 2013 QUT YuMi Deadly Centre

41. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$68
© 2007, 2013 QUT YuMi Deadly Centre

42. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$33
© 2007, 2013 QUT YuMi Deadly Centre

43. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$19
© 2007, 2013 QUT YuMi Deadly Centre

44. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$31
© 2007, 2013 QUT YuMi Deadly Centre

45. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$99
© 2007, 2013 QUT YuMi Deadly Centre

46. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$86
© 2007, 2013 QUT YuMi Deadly Centre

47. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$77
© 2007, 2013 QUT YuMi Deadly Centre

48. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE? $6
© 2007, 2013 QUT YuMi Deadly Centre

49. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$27
© 2007, 2013 QUT YuMi Deadly Centre

50. How much change? Stage 4 – with algorithm

51. © 2007, 2013 QUT YuMi Deadly Centre
50 -32 18
HOW MUCH CHANGE?
$32 32 8 40 10 50 18
© 2007, 2013 QUT YuMi Deadly Centre

52. © 2007, 2013 QUT YuMi Deadly Centre
54 -28
HOW MUCH CHANGE?
$28 28 30 50 54
© 2007, 2013 QUT YuMi Deadly Centre

53. © 2007, 2013 QUT YuMi Deadly Centre
50 -24
HOW MUCH CHANGE?
$24 24 50
© 2007, 2013 QUT YuMi Deadly Centre

54. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$66 66
100
© 2007, 2013 QUT YuMi Deadly Centre

55. © 2007, 2013 QUT YuMi Deadly Centre
50 -15
HOW MUCH CHANGE?
$15
© 2007, 2013 QUT YuMi Deadly Centre

56. © 2007, 2013 QUT YuMi Deadly Centre
35 -22
HOW MUCH CHANGE?
$22
© 2007, 2013 QUT YuMi Deadly Centre

57. © 2007, 2013 QUT YuMi Deadly Centre
75 -44
HOW MUCH CHANGE?
$44
© 2007, 2013 QUT YuMi Deadly Centre

58. © 2007, 2013 QUT YuMi Deadly Centre
87 -15
HOW MUCH CHANGE?
$15
© 2007, 2013 QUT YuMi Deadly Centre

59. © 2007, 2013 QUT YuMi Deadly Centre
50 -21
HOW MUCH CHANGE?
$21
© 2007, 2013 QUT YuMi Deadly Centre

60. © 2007, 2013 QUT YuMi Deadly Centre
95 -34
HOW MUCH CHANGE?
$34
© 2007, 2013 QUT YuMi Deadly Centre

61. © 2007, 2013 QUT YuMi Deadly Centre
40 -26
HOW MUCH CHANGE?
$26
© 2007, 2013 QUT YuMi Deadly Centre

62. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$71
© 2007, 2013 QUT YuMi Deadly Centre

63. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$27
© 2007, 2013 QUT YuMi Deadly Centre

64. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$119
© 2007, 2013 QUT YuMi Deadly Centre

65. © 2007, 2013 QUT YuMi Deadly Centre
92 -57
HOW MUCH CHANGE?
$57
© 2007, 2013 QUT YuMi Deadly Centre

66. © 2007, 2013 QUT YuMi Deadly Centre
HOW MUCH CHANGE?
$28
© 2007, 2013 QUT YuMi Deadly Centre