Foundation November 2019 Paper 1 Q8

AQACurrent spec4 marksDecimals

8 Here are four number cards.

(a) Choose two of the cards to make the answer to this calculation a whole number.

Include the answer to the calculation. [2 marks]

(b) Choose two of the cards to make the answer to this calculation as large as possible.

Include the answer to the calculation. [2 marks]

Mark scheme (a)

Answer	Mark	Comments
8.6 and 0.4	B1	either order
9(.0)	B1ft	ft their two numbers SC1 answer 9(.0), cards blank

Do not allow misreads of the card values in this question
8.6 and 0.27 Answer 8.87	B0B1ft
8.6 and 6.3 Answer 14.9	B0B1ft
0.27 and 6.3 Answer 6.57	B0B1ft
0.27 and 0.4 Answer 0.67	B0B1ft
6.3 and 0.4 Answer 6.7	B0B1ft
8.6 + 0.27 = 8.87 Answer 9 (ignore rounding if correct decimal seen)	B0B1ft
Cards take precedence, but if cards or answer line are blank, mark all other working and award the lowest mark unless their choice is unambiguously identified

Mark scheme (b)

Answer	Mark	Comments
8.6 and 0.27 in this order only	B1
8.33	B1ft	correct or ft their two numbers

Do not allow misreads of the cards in this question
Examples of follow through (there are many) 0.27 and 8.6 Answer \(-8.33\) 6.3 and 0.4 Answer 5.9	B0B1ft
Cards take precedence, but if cards or answer line are blank, mark all other working and award the lowest mark unless their choice is unambiguously identified