Keystones — Capstone
Five GCSE retrieval questions · 20 January 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄6 + 1⁄5 + 2⁄6
Answer: 7⁄10 -
2. Algebra
Solve: x⁄8 = 1.625
Answer: x = 13 -
3. Geometry
Find c if a = 15cm and b = 25cm in a right triangle
Answer: 29.2cm -
4. Ratio
Calculate 24.4% of 688
Answer: 167.87 -
5. Statistics
A spinner has 4 red, 6 blue and 6 green sections. Probability of landing on red?
Answer: 1⁄4