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L O A D I N G ### KS 3

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1

2
Long subtraction

### Long Multiplication and Division

3
Long multiplication part 1

4
Long multiplication part 2

5
Long multiplication part 3

6
Long multiplication using the grid method

7
Long multiplication of decimals

8
Multiplying decimal numbers using the grid method

9
Long division

10

### Multiplying and Dividing by 10, 100, 1000

11
Multiplying by 10, 100, 1000

12
Dividing by 10, 100, 1000

### Rounding

13
Rounding to decimal places (D.P)

14
Rounding to Significant Figures part 1

15
Rounding to Significant Figures part 2

### Negative Numbers

16

17
Subtracting negative numbers

18

19
Multiplying negative numbers

20
Dividing negative numbers

21
Negative or subtract

### Factors and Multiples

22
Finding factors

23
Finding the HCF -- Highest Common Factor

24
Finding the HCF -- Highest Common Factor (higher only)

25
Finding multiples

26
Finding the lowest common multiple (LCM)

27
Finding the lowest common multiple (higher only)

28
Writing a number as a product of it Prime Factors

### Powers

29
Expanding Powers

30
Simplifying Powers

31
Simplifying powers -- multiplying positive powers

32
Simplifying powers -- dividing positive powers

33
Simplifying powers raised to another power

34
Simplifying powers -- multiplying negative powers

35
Simplifying powers -- dividing negative powers

36
The power of zero -- exam tip

### Powers (Higher Only)

37
Negative powers, part 1

38
Negative powers, part 2

39
Negative powers, part 3

40
Negative powers, part 4

41
Fractional powers and roots, part 1

42
Fractional powers and roots, part 2

43
Negative fractional powers and roots, part 1

44
Negative fractional powers and roots, part 2

### Standard Form

45
Introduction to standard form

46
Converting standard form to ordinary numbers, part 1

47
Converting standard form to ordinary numbers, part 2

48
Changing numbers into standard form

49
Changing numbers less than 1 into standard form

50
Converting non-standard form numbers into standard form

51
Entering standard form into a calculator

52
Adding and subtracting standard form numbers

53
Multiplying standard form numbers (non-calculator)

54
Multiplying standard form numbers exam question

55
Dividing standard form numbers (non-calculator)

### Fractions

56
Simplifying fractions

57

58

59

60
Subtracting fractions, part 1

61
Subtracting fractions, part 2

62
Multiplying fractions

63
Dividing fractions

64
Equivalent fractions, part 1

65
Equivalent fractions, part 2

66
Finding a fraction of an amount

67
Ordering fractions

### Mixed Numbers

68
Simplifying top heavy fractions into mixed numbers

69
Changing mixed numbers into top heavy fractions

70
Top heavy fractions into mixed numbers, exam tip

71

72
Subtracting mixed numbers

73
Multiplying mixed numbers and fractions

74
Dividing mixed numbers and fractions

### Fractions, Percentages and Decimals

75
Changing between fractions, decimals and percentages

### Changing Recurring Decimals into Fractions

76
Changing recurring decimals into fractions, part 1

77
Changing recurring decimals into fractions, part 2

78
Changing recurring decimals into fractions, part 3

### Percentages

79
Finding percentages -- non calculator, part 1

80
Finding percentages -- non calculator, part 2

81
Finding decimal percentages, non-calculator

82
Finding percentages using a calculator

83
Increasing a number by a percentage (non-calculator)

84
Increasing a number by a percentage (calculator)

85
Decreasing a number by a percentage (non-calculator)

86
Decreasing a number by a percentage (calculator)

87
Writing a number as a percentage of another number

88
Finding the percentage a number increases by

89
Finding the percentage a number decreases by

### Simple and Compound Interest

90
Simple interest, non-calculator

91
Compound interest part 1

92
Compound interest part 2, using the formula.

93
Compound interest, depreciation formula, part 1

94
Compound interest, depreciation formula, part 2

### Reverse Percentages

95
Reverse Percentage, part 1

96
Reverse Percentage, part 2

97
Reverse Percentage, part 3

98
VAT percentage problems (Sales tax in other countries)

### Ratio

99
Introduction to Ratios

100
Simplifying ratios

101
Simplifying ratios in the form 1:n

102
Sharing amounts into ratios, part 1

103
Sharing amounts into ratios, part 2

104
Sharing amounts into ratios, part 3

105
Ratio questions with ingredients

106
Ratio Practice Exam Question

### Direct and Inverse Proportion

107
Direct proportion, word questions

108
Inverse proportion, word question

### Exchange Rates

109
Exchange rates

110

111
Best buy - Non Calc method

### Rational and Irrational Numbers (Higher Only)

112
Rational and irrational numbers

### Surds (Higher Only)

113
Simplifying surds, part 1

114
Simplifying surds, part 2

115
Simplifying surds with brackets

116
Simplifying surds -- dividing surds

117
Surds -- adding surds, part 1

118
Surds -- adding surds, part 2

119
Surds -- rationalising the denominator

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