Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 66
Answer: 77 + 66 = 143 -
2. Algebra
Solve: x + 5 = 20
Answer: x = 15 -
3. Geometry
Opposite = 7cm, hypotenuse = 9.9cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics
Find the median of: 19, 10, 6, 18, 14
Answer: 14