1MA0 Foundation June 2016 Paper 2 Q19
19 James has some square paving stones and some rectangular paving stones.

Diagram NOT accurately drawn
He uses four square paving stones and six rectangular paving stones to make this pattern in the shape of a rectangle.

Each rectangular paving stone is 60 cm by 30 cm.
(a) Work out the length of one side of a square paving stone. (2)
Sally is going to make a path with rectangular paving stones.
Each paving stone is 60 cm by 30 cm.

Diagram NOT accurately drawn
The path will be 720 cm long and 120 cm wide.

(b) Work out how many paving stones Sally needs to make the path. (3)
| Answer | Mark | Notes |
|---|---|---|
| 45 | 2 | M1 for \(60 + 60 + 60\) oe (= 180) or \(0.75 \times 60\) oe A1 cao |
| Answer | Mark | Notes |
|---|---|---|
| 48 | 3 | M1 for \(120 \div 30\) (= 4) or \(720 \div 60\) (= 12) M1 (dep) for \(\text{``}4\text{''} \times \text{``}12\text{''}\) A1 cao OR M1 for \(120 \div 60\) (= 2) or \(720 \div 30\) (= 24) M1 (dep) for \(\text{``}2\text{''} \times \text{``}24\text{''}\) A1 cao OR M1 for \(720 \times 120\) (= 86400) or \(60 \times 30\) (= 1800) M1 (dep) for \(\text{``}86400\text{''} \div \text{``}1800\text{''}\) A1 cao |