4MA0 Foundation January 2015 Paper 1R Q4
4
(a) Which two of these numbers are even numbers?
5 9 12 15 19 26 27
(2)(b) Write down a multiple of 8 that is between 10 and 30 (1)
(c) Write down all the factors of 40 (2)
(d) Which two of these numbers are prime numbers?
15 21 27 29 33 37 39
(2)| Scheme | Marks |
|---|---|
| 12, 26 | B2 |
| (2) |
Notes
B2: B1 for 12; B1 for 26
| Scheme | Marks |
|---|---|
| 16 or 24 | B1 |
| (1) |
Notes
B1: for 16 or 24 or both
| Scheme | Marks |
|---|---|
| 1, 2, 4, 5, 8, 10, 20, 40 | B2 cao |
| (2) |
Notes
B2 cao: B1 for any two or more correct −1 mark for incorrect addition(s)
ignore repetitions
| Scheme | Marks |
|---|---|
| 29, 37 | B2 |
| (2) | |
| (7 marks) |
Notes
B2: B1 for 29; B1 for 37