Keystones — Lintel
Five GCSE retrieval questions · 7 September 2021 · mathsvault.uk/keystones
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1. Number
Find the total of 161, 180, and 112
Answer: 453 -
2. Algebra
Expand: 2(5x - 3)
Answer: 10x - 6 -
3. Geometry
Opposite = 9cm, adjacent = 8cm. Calculate the angle
Answer: 48.4° -
4. Ratio
Simplify: 20:16:20
Answer: 5:4:5 -
5. Statistics
Find the range of: 41, 10, 9, 21, -17
Answer: 58