Foundation November 2019 Paper 3 Q8
8 Write down all the whole numbers that
are between 20 and 50
and
have a difference of 4 between their digits. [2 marks]
| Answer | Mark | Comments |
|---|---|---|
| 26 37 40 48 with no other numbers | B2 | any order B1 all 4 correct with one other number or 3 correct with at most two other numbers |
Additional guidance
| Ignore repeated numbers | |
| 26 37 40 48 in working with 4 on answer line | B2 |
| Ignore numbers with a difference of 4 between their digits out of range for B1 eg 15 26 37 40 48 51 | B1 |