1MA0 Foundation June 2017 Paper 1 Q5
5 Here are the first three patterns in a sequence.
Each pattern is made from lines and circles.

(a) In the space below, complete pattern number 4
(1)

(b) Complete the table.
(1)
| Pattern number | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|
| Number of lines | 4 | 7 | 10 |
(c) Find the number of lines in pattern number 12 (1)
(d) Find the number of circles in pattern number 20 (1)
| Answer | Mark | Notes |
|---|---|---|
| Diagram | 1 | B1 for correct addition to diagram |

| Answer | Mark | Notes |
|---|---|---|
| 13, 16 | 1 | B1 cao |
| Answer | Mark | Notes |
|---|---|---|
| 37 | 1 | B1 cao |
| Answer | Mark | Notes |
|---|---|---|
| 24 | 1 | B1 cao |