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Linear equations Revision. 4 kinds Easy 4 kinds Easy Two step.

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Presentation on theme: "Linear equations Revision. 4 kinds Easy 4 kinds Easy Two step."— Presentation transcript:

1 Linear equations Revision

2 4 kinds Easy

3 4 kinds Easy Two step

4 4 kinds Easy Two step X on both sides

5 4 kinds Easy Two step X on both sides Brackets

6 Easy examples

7

8 What is the 3 doing? Easy examples

9 What is the 3 doing? Multiplying the x Easy examples

10 What is the 3 doing? Multiplying the x Easy examples

11 What is the 3 doing? Multiplying the x Do the opposite! Easy examples

12 What is the 3 doing? Multiplying the x Do the opposite! Divide by 3 Easy examples

13 What is the 3 doing? Multiplying the x Do the opposite! Divide by 3 Easy examples

14

15

16 What is the 6 doing? Easy examples

17 What is the 6 doing? Adding to the x Easy examples

18 What is the 6 doing? Adding to the x Do the opposite! Easy examples

19 What is the 6 doing? Adding to the x Do the opposite! Subtract 6 Easy examples

20 What is the 6 doing? Adding to the x Do the opposite! Subtract 6 Easy examples

21

22

23 What is the 4 doing? Easy examples

24 What is the 4 doing? Dividing the x Easy examples

25 What is the 4 doing? Dividing the x Do the opposite! Easy examples

26 What is the 4 doing? Dividing the x Do the opposite! Multiply by 4 Easy examples

27 What is the 4 doing? Dividing the x Do the opposite! Multiply by 4 Easy examples

28 Your turn

29 X=32 X=4 X=9

30 Two step equations

31

32 Undo the +4 Two step equations

33 Undo the +4 Two step equations

34 Undo the +4 Two step equations Undo the x3

35 Undo the +4 Two step equations Undo the x3

36 Two step equations

37

38 Undo the -3 Two step equations

39 Undo the -3 Two step equations

40 Undo the -3 Two step equations Undo the x2

41 Undo the -3 Two step equations Undo the x2

42 Your turn

43 X = 5 X = 6 X = 4

44 X on both sides

45

46 Take 3x off both sides

47 X on both sides Take 3x off both sides

48 X on both sides Take 3x off both sides Undo -4

49 X on both sides Take 3x off both sides Undo -4

50 X on both sides Take 3x off both sides Undo -4 Undo x2

51 X on both sides Take 3x off both sides Undo -4 Undo x2

52 X on both sides

53

54 Add 2x to both sides

55 X on both sides Add 2x to both sides

56 X on both sides Add 2x to both sides Undo +6

57 X on both sides Add 2x to both sides Undo +6

58 X on both sides Add 2x to both sides Undo +6 Undo x5

59 X on both sides Add 2x to both sides Undo +6 Undo x5

60 Your turn

61 X = 7 X = 3 X = 5 X = 10

62 Brackets

63

64 Multiply out bracket

65 Brackets Multiply out bracket

66 Brackets Multiply out bracket Collect terms

67 Brackets Multiply out bracket Collect terms

68 Brackets Multiply out bracket Collect terms Undo +6

69 Brackets Multiply out bracket Collect terms Undo +6

70 Brackets Multiply out bracket Collect terms Undo +6 Undo x7

71 Brackets Multiply out bracket Collect terms Undo +6 Undo x7

72 Brackets

73

74

75

76

77

78 Your turn

79 X = 5 X = 2

80 Find a GCSE textbook and complete the exercises on linear equations.

81 Try to complete a few of each type of equation and check the answers.


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