Keystones — Lintel
Five GCSE retrieval questions · 11 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 992 + 684
Answer: 1676 -
2. Algebra
Solve: x⁄5 = 4
Answer: x = 20 -
3. Geometry
Adjacent = 28cm, hypotenuse = 37cm. Find the angle
Answer: 40.8° -
4. Ratio
Simplify: 18:15:9
Answer: 6:5:3 -
5. Statistics
Find the range of: -23, -19, 46, -21, 36
Answer: 69