Numeracy Foundation June 2023 Unit 2 Q5
5. Owain has drawn a conversion graph to help him with his homework.
(a)
Circle the correct answer to complete the following statement. [1]
15°C in Fahrenheit is
–5°F 59°F 58°F 55°F 66°F
(b)
Bethan says,
40°C in Fahrenheit is 136°F, as it is twice what it is at 20°C.
Bethan is incorrect.
Express 40°C in Fahrenheit. [2]
40°C is …………… °F
| Scheme | Marks | Comments |
|---|---|---|
| 59°F | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| (40°C is) 68 + 18 +18 | M1 | Accept an appropriate calculation that would lead to a correct answer of 104°F May be shown in stages Allow \(\frac{9}{5}\) × 40 + 32 or 1.8 × 40 + 32 or 9 × 8 + 32 or 18 × 4 + 32 FT from (a) provided ‘their 59’ > 0, i.e. 59 + 2.5 × 18 or 59 + 45 or equivalent |
| 104 (°F) | A1 | Answer space takes precedence |