O-LevelMathematicsNumber4024/11 · May/June 2019 · Q23 Marks
In the grids below, the number in each square is the sum of the two numbers immediately below it. This grid has been completed for you. [Figure of a completed grid: 21 (top), 7, 14 (middle), 2, 5, 9 (bottom)] Complete the two grids below.
- (a)[Grid to complete, with -3, -4 (middle), 6, -9, 5 (bottom)][1]
- (b)[Grid to complete, with 3.04 (top), 0.63 (middle), 0.55, 1.86 (bottom)][2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2019). The mark or mark type is shown in brackets.
- [1] First grid completed with -7
- [2] Second grid completed with 0.08 and 2.41 B1 for each.
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