b 400 ÷ 4.00 = 100 minutes per £1 There are more CDs than are needed. A1 A1 for explanation of possible reasons not to choose A recording time of 80 minutes is not long the best buy enough. £6.50 is too expensive at time of purchase (prefer just to spend £4). 4 10 £800 × M1 2 M1 for multiplications M 1.19 gives €952 £800 × 1.22 gives M1 M1 for subtraction ft €976 = They will get more. A1 A1 cao €976 – €952 €24 €24 3 11 a i By expressing this as: in B2 2 B1 for correct justification M ‘How many….. B1 for showing diagram oe ….’ ii B1 B1 for correct justification showing diagram oe Use chosen method from part a to explain correctly how to divide, using fractions. B1 1 for correct justification showing diagram oe iii b B1 B1 for correct explanation M1 M1 for process showing that dividing by doubles the number of pieces, so is the same as multiplying by 2 6
b 400 ÷ 4.00 = 100 minutes per £1 There are more CDs than are needed. A recording time of 80 minutes is not long enough. £6.50 is too expensive at time of purchase (prefer just to spend £4). A1 A1 for explanation of possible reasons not to choose the best buy 4 10 £800 × 1.19 gives €952 £800 × 1.22 gives €976 €976 – €952 = €24 They will get €24 more. M1 M1 A1 2 M1 for multiplications M1 for subtraction ft A1 cao M 3 11 a i ii iii b By expressing this as: ‘How many….. in ….’ Use chosen method from part a to explain correctly how to divide, using fractions. B2 B1 B1 B1 M1 2 B1 for correct justification B1 for showing diagram oe B1 for correct justification showing diagram oe 1 for correct justification showing diagram oe B1 for correct explanation M1 for process showing that dividing by doubles the number of pieces, so is the same as multiplying by 2 M 6
Higher_Skills_Ratio_MarkScheme_AQA.docx