Keystones — Bedrock
Five GCSE retrieval questions · 26 July 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 76 + 94
Answer: 76 + 94 = 170 -
2. Algebra
Factorise: 16x + 10
Answer: 2(8x + 5) -
3. Geometry
Opposite = 8cm, hypotenuse = 9.2cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
In ratio 7:5, the difference between shares is 30. What are the shares?
Answer: 105 and 75 -
5. Statistics
Find the range of: 20, 30, 45, 18, 38
Answer: 27