Keystones — Cornerstone
Five GCSE retrieval questions · 8 November 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 84 + 51
Answer: 84 + 51 = 135 -
2. Algebra
Solve: 7x = 49
Answer: x = 7 -
3. Geometry
Opposite = 6cm, hypotenuse = 6.9cm. Find the angle
Answer: 60° (approximately) -
4. Ratio
Calculate 50% of 70
Answer: 35 -
5. Statistics
Calculate the range of: 42, 46, 68, 107, 122, 115
Answer: 80