Keystones — Lintel
Five GCSE retrieval questions · 22 August 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 53 + ? = 194
Answer: 141 -
2. Algebra
Solve: x⁄3 = 10.666666666667
Answer: x = 32 -
3. Geometry
Find c if a = 8cm and b = 19cm in a right triangle
Answer: 20.6cm -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4