9.4 Factorisation factorise an algebraic • expression. Week 3 Review and revision 4 36 Week 4 Review and revision 4 37 Week 38 Week 7 9: Algebra: Expressions and 9.5 Quadratic expansion expand two linear brackets to • 39 40 formulae obtain a quadratic expression. – 9.6 Quadratic factorisation factorise a quadratic • expression of the form + + x2 ax into two linear brackets. b 9.7 Changing the subject of a change the subject of a • formula formula. Week 3 Summer examinations and 41 revision Week 4 Summer examinations and 42 revision Week 10 10.1 Ratio 10: Ratio and proportion simplify a ratio • 43 45 and rates of change: Ratio, express a as a fraction – • speed and proportion divide amounts into • ratios complete calculations from a • given ratio and partial information. 10.2 Speed, distance and time recognise the relationship • between speed, distance and time calculate average speed from • distance and time
9.4 Factorisation • factorise an algebraic expression. Week 36 3 Review and revision 4 Week 37 4 Review and revision 4 Week 38 Week 39 – 40 7 9: Algebra: Expressions and formulae 9.5 Quadratic expansion • expand two linear brackets to obtain a quadratic expression. 9.6 Quadratic factorisation • factorise a quadratic expression of the form x2 + ax + b into two linear brackets. 9.7 Changing the subject of a formula • change the subject of a formula. Week 41 3 Summer examinations and revision Week 42 4 Summer examinations and revision Week 43 – 45 10 10: Ratio and proportion and rates of change: Ratio, speed and proportion 10.1 Ratio • simplify a ratio • express a as a fraction • divide amounts into ratios • complete calculations from a given ratio and partial information. 10.2 Speed, distance and time • recognise the relationship between speed, distance and time • calculate average speed from distance and time