FUNCTIONAL SKILLS MATHEMATICS LEVEL 2

Transcription

1 FUNCTIONAL SKILLS MATHEMATICS LEVEL 2 MARK SCHEME (HP 207-FSM216) Page 1 of 12

2 Task 1 Question Process Total Mark For Evidence of Comment Criteria Ref R A I 1 (1) Converting the weight of apples 3 1 mark for correct method for conversion e.g e.g. 50 x 2.2 e.g R3 1 mark for correct solution e.g. ( =) r and ( x 8 =) r(kg), e.g. (16 x 8 =) 128 and ( =) r(kg) Accept any correct value between 57.6 and 58.2 e.g. (50 x 2.2 =) 110 (lbs) and (8 x 16 =) 128(lbs), e.g. 50 x 2.2 (=110) 16 = (buckets hold 50kg) Accept rounding or truncation 1 mark for correct conclusion e.g. Yes, Jenny has collected more than 50kg e.g. Yes, 7 buckets is enough e.g. Jenny has enough apples Page 2 of 12

3 2a (2a) Calculating the number of packs of ingredients for mini apple pies 4 1 mark for correct method to find any quantity e.g. flour 650 x e.g. butter 325 x 15 e.g. sugar mark for correct method to find number of packs of flour or packs of butter e.g. (15 x 650 = ) 9 750, for flour e.g, (15 x 325 = ) 4 875, for butter 1 mark for at least 3 correct solutions for number of packs e.g. flour 6.5, butter 19.5, sugar 2.25, eggs 5 Accept 3 correct rounded answers, from flour 7, butter 20, sugar 3, (eggs 5) 1 mark for correct list of number of packs i.e. flour 7, butter 20, sugar 3 and eggs 5 2b (2b) Check 1 1 mark for acceptable check e.g. flour 7 x 1.5 = 10.5(kg) and = 0.7(kg) or 700(g) e.g. butter 20 x 250 = 5 000(g),and = 333.3r(g) e.g. sugar 3 x 1 = 3(kg) or 3 000(g) which 15 = 200(g) e.g. eggs 5 x 6 = 30 and = 2 A2 Page 3 of 12

4 3 (3) Calculating the number of trays needed for Jenny s mini apple pies 7 1 mark for valid approach e.g. attempt to use diameter of pie and length or width of tray 1 mark for correct conversion e.g. 12 x 10 = 120(mm) e.g = 50(cm) 1 mark for correct method to find number of pies that fit along either side e.g or e.g. repeat addition of 12 until total is 50 or 70 1 mark for correct solution for length or width e.g. (70 12 =) 5.833r e.g. ( =) 4.166r e.g. ( ) = 48(cm) 1 mark for correct interpretation of the remainders, e.g. only 5 circular pies can fit across the length and only 4 circular pies can fit across the width. Allow correct interpretation of repeated addition. 1 mark for correct answer to how many pies will fit into rectangular tray e.g. (5 x 4 =) 20 e.g. ( =) 20 e.g. ( =) 20 1 mark for valid explanation, e.g. 5 trays are not enough to hold 120 pies as 5 trays x 20 pies = 100 pies e.g. 5 trays will not be enough, she needs 6 trays for 120 pies Accept rounding or truncation but not 5.833r rounded to 6 Must be rounded down Working required. Allow follow through from their working, but not area method R1 R3 Page 4 of 12

5 Task 2 Question 1a (4a) 1b (4b) 2 (5) Process Converting currency and showing a check Interpreting a table and choosing the best type of insurance cover Total Mark 3 1 mark for a correct method e.g x = e.g = 1 mark for correct answer e.g. (18.00 x =) (INR), e.g. ( =) ( ) mark for correct interpretation of answer e.g. It is cheaper to buy the ticket in India. 1 1 mark for valid check using a different method e.g. by reverse calculation or e.g x e.g. by estimation, 20 x mark for valid choice for comparison i.e. Super and Premium For Evidence of Comment Criteria Ref R A I 1 mark for correct method to find cost of Super or Premium, e.g e.g mark for correct costs i.e. Super ( )674 and Premium ( )699 1 mark for valid reason for their choice e.g. Super, because it is cheaper e.g. Premium because it is slightly more expensive but covers more Allow rounding or truncation R3 A2 Page 5 of 12

6 3 (6) 4 (7) Calculating flight time Interpreting a bar chart showing the age of the population in the UK and India in mark for correct method to find time difference e.g. 23:00 9:45, e.g. 23:00 (9:45 + 4:30) or 23:00 14:15 1 mark for correct use of local time information e.g. 13:15-4:30 e.g. 23:00 4:30 e.g. 9:45 + 4:30 1 mark for correct flight time i.e. 8 hours 45 minutes i.e. 8¾ hours 4 1 mark for at least 3 correct values from graph seen e.g. UK, 19, 12, India, 35, 18 1 mark for correct method to find difference, e.g ( ) (= 22) e.g (= 22) 1 mark for correct difference e.g. The proportion of under-25s in India is 22% higher than in the UK, e.g. The difference is 22%. 1 mark for valid comment comparing populations e.g. The percentage of older people is higher in the UK than in India e.g. The percentage of people in the 25 to 44 years age range in the UK and in India is about the same e.g. 4% of the UK population are over 80 years old but only 1 % of the population of India is over 80years old May be implied by 22(%) seen R1 R3 Page 6 of 12

7 Task 3 Question Process Total Mark For Evidence of Comment Criteria Ref R A I 1a (8a) Working out the total area of the hall and living room floors 3 1 mark for at least 1 correct missing dimension for the living room seen e.g. 2.1(m) e.g. 2.2(m) 1 mark for correct method to find area of living room e.g. 5 x x 2.9 = e.g. 5.2 x x 2.1 = e.g. 5.0 x x 2.1 = R1 R3 1 mark for correct area of living room i.e (m 2 ) 1b (8b) Check 1 1 mark for acceptable check e.g (2.2 x 2.9) = 15 e.g = 15 e.g. ( = 3 e.g. (5 x 3) + (2 x 3) = 21 e.g. (5 x 3) + (3 x 2) = 21 e.g. (5 x 5) (2 x 2) = 21 A2 Page 7 of 12

8 2 (9) Working out which size of cleaning solution containers to buy 5 1 mark for correct substitution e.g. 55 x ( x 3) 3 1 mark for correct order of operations e.g. 55 x ( ) e.g. x 51 1 mark for correct solution, i.e. 935 (ml) R1 1 mark for correct choice of bottle, e.g. 250 millilitres and 750 millilitres e.g. 1.5 litre Working required. Allow follow through from their working 1 mark for valid explanation, e.g. He should buy the 250 millilitres and the 750 millilitres because that will be just enough e.g. Ryan should buy the 1.5 litre because he will have some left over in case of an accident e.g. Ryan shoud buy the 1.5 litre because it will probably be cheaper than the 250 millilitres and the 750 millilitres Explanation and working must correspond Page 8 of 12

9 3 (10) Hiring a carpet cleaner 5 1 mark for a valid day or valid overnight or valid half days e.g. Tue or Fri and Wed or Fri (half days) e.g. Wed (overnight) e.g. Sat (day) 1 mark for valid pick-up time, e.g. Tue and Wed 13:00-13:30 e.g. Tue and Fri 13:00-13:30 e.g. Wed and Fri 13:00-13:30 e.g. Wed 17:30 e.g. Sat 8:30 1 mark for valid return time e.g. Tue and Wed, 4 hours after pick-up e.g. Tue and Fri, 4 hours after pick-up e.g. Wed and Fri, 4 hours after pick-up e.g. Thu 8:30 e.g. Sat 17:30 1 mark for correct cost e.g. ( )18 for 2 half days, e.g. ( )16 for overnight on Wednesday e.g. ( )25 for Saturday 1 mark for valid explanation e.g. Overnight on Wednesday because hiring overnight is cheaper e.g. Half days cost only 2.00 more than overnight and do not require Ryan to work late at night e.g. Saturday because he can finish the job in one day and the weekend is more convenient than a weekday, Allow follow through Allow follow through R1 Page 9 of 12

10 Task 4 Question Process Total Mark For Evidence of Comment Criteria Ref R A I 1 (11) Calculating the mean and the range of Bed & Breakfast bookings 6 1 mark for correct method to find mean e.g e.g mark for correct means i.e and r 1 mark for correct method to find range e.g e.g Allow rounding or truncation 1 mark for correct ranges e.g. 22 e.g mark for valid comment on the means e.g. The mean number of bookings increased a little from 2010 to mark for valid comment on range, e.g. There was more consistency in the number of bookings per month in 2011, e.g. The range of bookings was lower in 2011 than a (12a) Calculating a percentage 2 1 mark for correct substitution, e.g. 100 x mark for correct answer i.e (%) Allow rounding or truncation Page 10 of 12

11 2b (12b) Check 1 1 mark for valid check e.g. (37.5 x ) = e.g. (100 x ) = 38.88r Allow rounding or truncation A2 Page 11 of 12

12 3 (13) 4 (14) Interpreting a bar chart and comparison of percentages Calculating and comparing fractions 2 1 mark for correct reading from bar chart i.e. 64(%) 1 mark for valid comment e.g. Tina s percentage is not much more than half the local average percentage e.g. Tina s percentage was much lower, but more than half the local average percentage 5 1 mark for correct values selected i.e (= 72) 1 mark for correct total i.e mark for correct method to find useful value, e.g e.g. 3 4 x mark for correct solution, e.g. 3/5 e.g. 90 e.g. 60% 1 mark for valid comment, e.g. No, only 3/5 of her guests gave a 4-stars or 5-stars rating e.g. No, she needed 18 more guests to give a 4-stars or 5-stars rating to meet her target e.g. No, only 60% of her guests gave a 4-stars or 5-stars rating and her target was 75% Accept 72 Working required R3 Page 12 of 12