Keystones — Lintel
Five GCSE retrieval questions · 17 March 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 647
Answer: 1644 -
2. Algebra
Solve: 2x = 10
Answer: x = 5 -
3. Geometry
Opposite = 9cm, adjacent = 14cm. Calculate the angle
Answer: 32.7° -
4. Ratio
Simplify: 15:18:12
Answer: 5:6:4 -
5. Statistics
Find the range of: -12, 9, 3, 3, 21
Answer: 33