Keystones — Lintel
Five GCSE retrieval questions · 9 October 2021 · mathsvault.uk/keystones
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1. Number
What is 6.7 + 8.85 + 0.57?
Answer: 6.7 + 8.85 + 0.57 = 16.12 -
2. Algebra
Expand: 2(2x + 7)
Answer: 4x + 14 -
3. Geometry
Opposite = 8cm, adjacent = 14cm. Calculate the angle
Answer: 29.7° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
Find the range of: 40, 39, 9, -15, -13
Answer: 55