9.5 Quadratic expansion To expand two linear brackets • to obtain a quadratic expression 9.6 Quadratic factorisation To factorise a quadratic • expression of the form + + x2 ax b into two linear brackets 9.7 Changing the subject of a To change the subject of a • formula formula Week 7 F:10: Ratio and 10.1 Ratio To simplify a ratio • 29 30 proportion and rates To express a ratio as a fraction – • of change: Ratio, To divide amounts into given • speed and ratios proportion To complete calculations from a • given ratio and partial information 10.2 Speed, distance and To recognise the relationship • time between speed, distance and time To calculate average speed from • distance and time To calculate distance travelled • from the speed and the time taken To calculate the time taken on a • journey from the speed and the distance 10.3 Direct proportion To recognise and solve problems • problems that involve direct proportion 10.4 Best buys To find the cost per unit mass • To find the mass per unit cost • To use the above to find which • product is better value. Week Easter Holiday 31
9.5 Quadratic expansion • To expand two linear brackets to obtain a quadratic expression 9.6 Quadratic factorisation • To factorise a quadratic expression of the form x2 + ax + b into two linear brackets 9.7 Changing the subject of a formula • To change the subject of a formula Week 29 – 30 7 F:10: Ratio and proportion and rates of change: Ratio, speed and proportion 10.1 Ratio • To simplify a ratio • To express a ratio as a fraction • To divide amounts into given ratios • To complete calculations from a given ratio and partial information 10.2 Speed, distance and time • To recognise the relationship between speed, distance and time • To calculate average speed from distance and time • To calculate distance travelled from the speed and the time taken • To calculate the time taken on a journey from the speed and the distance 10.3 Direct proportion problems • To recognise and solve problems that involve direct proportion 10.4 Best buys • To find the cost per unit mass • To find the mass per unit cost • To use the above to find which product is better value. Week 31 Easter Holiday