Presentation on theme: "Functional Question Foundation (Algebra 6) For the week beginning …."— Presentation transcript:
Functional Question Foundation (Algebra 6) For the week beginning ….
A website shows ticket information for trains from London to Brighton. Key means that a ticket can be bought at the price shown Ticket Depart11:2611:3611:4111:5612:06 Arrive12:2412:2712:4912:5412:58 Advance £16.40 Off-peak £19.00 Anytime £28.50 (a) What is the cost of the cheapest ticket that can be bought for the 11:36 train? (1) (b) How long does the journey take on the 11:36 train? (2) (c) The graph shows a car journey from London to Brighton and back. (i) How long does this journey to Brighton take? (1) (ii) How long is the stay in Brighton? (1) (iii) How many miles is the total journey from London to Brighton and back? (1) (d) Which journey is faster, London to Brighton or Brighton to London? Explain your answer. (1) (Total 7 marks)
(a) (£) 19 £ 19.00 (p) Condone 19.0 B1 (b) Attempt to use 60 minutes in 1 hour eg, 24 + 27 Sight of 60 (in a calculation) M1 51 (minutes) A1 (c) (i) 2 (hours) B1 (ii) 4 (hours) B1 (iii) 120 B1 (d) London to Brighton and steeper oe Accept: takes less time, 2 hrs and
Common Mistakes – what did the examiners say? This question was well answered. In part (b) the most successful added 24 minutes, to get to 12 noon, and 27 minutes. Candidates who used subtraction methods often made mistakes. Thinking there were 100 minutes in an hour lead to the common wrong answer of 91 minutes. Good responses were seen to part (d) with steeper or less time being very common. A few misinterpreted the diagram and said it was faster from London to Brighton as it was downhill and others gave responses about the level of traffic.