Keystones — Cornerstone
Five GCSE retrieval questions · 15 September 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 45 + ? = 157
Answer: 112 -
2. Algebra
Solve: x + 5 = 24
Answer: x = 19 -
3. Geometry
Opposite = 15cm, adjacent = 15cm. Calculate the angle
Answer: 45° -
4. Ratio
Find 43% of 469
Answer: 201.67 -
5. Statistics
Calculate the range of: 92, 83, 66, 97, 35, 93
Answer: 62