Keystones — Lintel
Five GCSE retrieval questions · 26 June 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 995 + 576
Answer: 1571 -
2. Algebra
Factorise: 7x² + 6x
Answer: x(7x + 6) -
3. Geometry
Find c if a = 13cm and b = 17cm in a right triangle
Answer: 21.4cm -
4. Ratio
Simplify: 8:10:8
Answer: 4:5:4 -
5. Statistics
A spinner has 5 red, 6 blue and 3 green sections. Probability of landing on red?
Answer: 5⁄14