Keystones — Lintel
Five GCSE retrieval questions · 25 September 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 997 + 639
Answer: 1636 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Opposite = 15cm, adjacent = 8cm. Calculate the angle
Answer: 61.9° -
4. Ratio
Simplify: 16:8:24
Answer: 2:1:3 -
5. Statistics
Find the range of: 25, -4, -10, -14, -19
Answer: 44