Keystones — Cornerstone
Five GCSE retrieval questions · 4 December 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 21 + 63
Answer: 21 + 63 = 84 -
2. Algebra
What is the next term? 2, 4, 8, 16, ...
Answer: 32 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Find 79% of 443
Answer: 349.97 -
5. Statistics
Calculate the range of: 57, 37, 68, 29, 87, 60
Answer: 58