1MA0 Foundation November 2012 Paper 2 Q4
4 Here is a two-stage number machine.
It multiplies by 5 and then subtracts 3
(a) Complete the table.
(2)
| Input | Output |
|---|---|
| 1 | 2 |
| 2 | 7 |
| 5 | 22 |
| 7 | |
| 47 |
Here is a different two-stage number machine.
When the input is 10, the output is 60
(b) Complete the number machine. (1)
| Answer | Mark | Notes |
|---|---|---|
| 32 and 10 | 2 | B1 for 32 in the correct place B1 for 10 in the correct place |
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \(10 \times 3 \times 2 = 60\) or \(10 \times 3 + 30 = 60\) | \(\times 2\) or \(+30\) | 1 | B1 for \(\times 2\) or \(+30\) |