Contents   Big numbers   Rounding to the nearest 10   Rounding to the nearest 100   Rounding to the nearest 1 000   Rounding to the nearest 1 000 000   Puzzling numbers   Highestcommonfactor   Primenumbers   Factor prime trees 10   Factor pairs 11   Order of operations 12   Mathematical words 13   Sum and product 14   Pick the number 15   Divisibility 16   Divisibility test (1) 17   Divisibility test (2) 18   Divisibility: True or False 19   Eight match up 20   Fraction terminology 21   Equivalent fractions 22   Fraction diagrams 23   Fractions 24   Missing fractions grid 25   Fractions in a recipe 26   Application of fractions 27   Fractions on a number line 28   Improper fractions 29   Comparing fractions 30   Add and subtract fractions 31   Time and fractions 32   Convert days to weeks 33   Patterns 34   Decimal numbers 35   Rounding decimal numbers 36   Rounding snake lengths 37   Conversion of distances 38   Mass 39   Area 40   Perimeter 41   Area of money 42   Area of compositediagrams 43   Area and perimeter of a rectangle 44   Measurement 45   Shapes 46 Mathematics from the heart 47 Ordering dates 48 Gandhi Mathematics 49 Averages 50 Choosing which average 51 Pie charts 52 Data handling 53 Probability 54 Answers 57 Milestones