Foundation June 2018 Paper 2 Q8

AQACurrent spec3 marksProperties of Numbers

8 The numbers 1 to 12 are put in a grid.

2, 4, 5, 7, 10 and 12 are shown.

Each of the four sides of the grid must add up to 26

Complete the grid using the numbers

1, 3, 6, 8, 9 and 11 [3 marks]

Four sides add to 26 but across the four sides there is one repeat (8) so only three sides qualify	B2
Three sides add to 26 but across these three sides there is one repeat (3) so only two sides qualify One side has 14, one side has repeats of 10 and 3 so these two sides do not qualify. Only one of the remaining sides adds to 26 so qualifies	B1