A4: Comparing numbers - content

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4.1  Comparing quantities of subtraction p. 4
4.2 Comparing quantities by division
4.2.1 Percentages
            Converting from a fraction to a percentage
            Converting from a percentage
            Percentages in pie charts
4.2.2 Ratios
            Ratios around us
            Ratios in squares
            Ratios in rectangles
            Ratios in circles
            Ratios in circles 
4.2.3 Rates           
            
p. 4
p. 8
p. 8
p. 13
p. 22
p. 27
p. 36
p. 36
p. 37
p. 38
p. 40
p. 50
4.3 A taste of things to come p. 53
4.4 Post-test  p. 56
4.5 Appendix: Using a protractor p. 58
4.6 Solutions p. 60