Keystones — Lintel
Five GCSE retrieval questions · 4 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 663 + 172
Answer: 663 + 172 = 835 -
2. Algebra
Solve: 9x = 99
Answer: x = 11 -
3. Geometry
Calculate perimeter: two sides are 14cm and 13cm at right angles
Answer: 46.cm -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A spinner has 5 red, 5 blue and 2 green sections. Probability of landing on red?
Answer: 5⁄12