A1 cao 9 123 + 58 = 181 Full explanation 2 P1 for starting process to add two angles 181 180 = 1 C1 for two angles add to 181° and should be 180° if a – straight line. 10 425 x 12 = 5100 £16.58 3 P1 for starting process 5100 ÷ 1000 = 5.1 B1 for 5.1kg 5.1 x 3.25 A1 cao 11 (a) Answer cannot be 1 C1 correct explanation an odd number (b) 45 ÷ 9 = 5; 5 + 5 = 10 She should have 2 B1 for understanding to 45÷9=5 and then add 5. divided by 9 and then added 5 C1 she should have divided by 9 and she did it in the wrong order. 12 = 3.40 3 M1 for 9.188854…÷ 2.7 9.188854…÷ 2.7 3.403279401 M1 for 3.403279401 A1 cao 13 16 × 19 = 304 £24 3 P1 for starting the process eg. 16 x 19 19 12 = 7 M1 for £304 and £280 – 7 × 16 = 112 A1 cao 168 + 112 = 280 304 280 = 24 – Qn Working Answer Mark Notes 14 2 B1 for translation Translation B1 for correct vector 15 × 100 = 27.5% 38.5% 3 P1 for process to start solving the problem
A1 cao 9 123 + 58 = 181 181 – 180 = 1 Full explanation 2 P1 C1 for starting process to add two angles for two angles add to 181° and should be 180° if a straight line. 10 425 x 12 = 5100 5100 ÷ 1000 = 5.1 5.1 x 3.25 £16.58 3 P1 B1 A1 for starting process for 5.1kg cao 11 (a) (b) 45 ÷ 9 = 5; 5 + 5 = 10 Answer cannot be an odd number She should have divided by 9 and then added 5 1 2 C1 B1 C1 correct explanation for understanding to 45÷9=5 and then add 5. she should have divided by 9 and she did it in the wrong order. 12 9.188854…÷ 2.7 = 3.403279401 3.40 3 M1 M1 A1 for 9.188854…÷ 2.7 for 3.403279401 cao 13 16 × 19 = 304 19 – 12 = 7 7 × 16 = 112 168 + 112 = 280 304 – 280 = 24 £24 3 P1 M1 A1 for starting the process eg. 16 x 19 for £304 and £280 cao Qn Working Answer Mark Notes 14 Translation 2 B1 B1 for translation for correct vector 15 × 100 = 27.5% 38.5% 3 P1 for process to start solving the problem