Higher June 2025 Unit 1 Q3
3. In this question, you will be assessed on the quality of your organisation, communication and accuracy in writing.
A mass is shared in the ratio 3 : 5.
The larger share is 44 lb (pounds).
Calculate the total mass.
Give your answer in kilograms (kg).
You must show all your working. [4 + 2 OCW]
| Scheme | Marks | Comments |
|---|---|---|
| (total share in lbs =) 44 (lb) ÷ 5 × (3 + 5) OR (44 +) 44 ÷ 5 × 3 or equivalent | M1 | May be seen in stages. Award M1 for complete method. Note: 8·8 × 8 or 352 ÷ 5 or (44 +) 26·4 |
| 70·4 (lb) | A1 | CAO. May be implied in later working. |
| (total share in kg =) 70·4 (lb) ÷ 2·2 or equivalent | M1 | Allow 70·4 × 0·45(45...) FT ‘their 70·4’. |
| 32 (kg) | A1 | FT for ‘their 70·4’ ÷ 2·2 correctly evaluated. Mark final answer. Unsupported 32 is awarded M1A1 M1A1. |
| Organisation and Communication. | OC1 | For OC1, candidates will be expected to:
|
| Accuracy of writing. | W1 | For W1, candidates will be expected to:
|
Alternative method
| Scheme | Marks | Comments |
|---|---|---|
| (larger share in kg =) 44 ÷ 2·2 or (1 share in kg) = 44 ÷ 2·2 (÷ 5) or equivalent | M1 | May be seen in stages. Allow 44 × 0·45(45..). |
| (larger share in kg =) 20 (kg) or (1 share in kg) = 4 (kg) | A1 | CAO. May be implied in later working. |
| (total share =) 20 (kg) ÷ 5 × (3 + 5) OR (20(kg) +) 20(kg) ÷ 5 × 3 OR 4 (kg) × (3 + 5) OR (20(kg) +) 4(kg) × 3 or equivalent | M1 | Award M1 for complete method. FT ‘their 20’ or ‘their 4’ × (3 + 5) or ‘their 4’ × 3 + 20. Note: 4 × 8 or 160 ÷ 5 or (20 +) 12 . |
| 32 (kg) | A1 | FT for ‘their 20’ (their larger share) or ‘their 4’ (their 1 share). Mark final answer. Unsupported 32 is awarded M1A1 M1A1. |