Foundation November 2017 Paper 1 Q16
16 Complete the grid so that when you
multiply the three numbers in any column, row or diagonal the answer is 1 [3 marks]
| 10 | \(\dfrac{1}{2}\) | |
| \(\dfrac{1}{20}\) | 20 | |
| 2 | 5 |
| Answer | Mark | Comments |
|---|---|---|
| \(\dfrac{1}{5}\) in top centre cell 1 in centre cell \(\dfrac{1}{10}\) in bottom right cell | B3 | oe decimals B2 any two correct or the product of the centre column and the diagonal from top left to bottom right are both 1 B1 any one correct or the product of the centre column or the diagonal from top left to bottom right is 1 |
Additional guidance
| A response can be awarded B2 if it meets both ways of scoring B1 Eg one correct value and the product of the centre column is 1 (see example below right) | |
![]() | B2 |
![]() | B1 |

