Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 48 + 49
Answer: 48 + 49 = 97 -
2. Algebra
Solve: x + 15 = 33
Answer: x = 18 -
3. Geometry
Opposite = 6cm, hypotenuse = 8.5cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 16:6
Answer: 8:3 -
5. Statistics
Find the range of: 11, 14, 22, 12, 14
Answer: 11