Keystones — Cornerstone
Five GCSE retrieval questions · 9 June 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 77 + 51
Answer: 77 + 51 = 128 -
2. Algebra
Solve: 8x = 48
Answer: x = 6 -
3. Geometry
Opposite = 12cm, hypotenuse = 17cm. Find the angle
Answer: 45° (approximately) -
4. Ratio
Simplify the ratio 10:8
Answer: 5:4 -
5. Statistics
Calculate the range of: 26, 26, 25, 91, 65, 43
Answer: 66