Keystones — Capstone
Five GCSE retrieval questions · 11 February 2022 · mathsvault.uk/keystones
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1. Number
Calculate: 4⁄5 + 1⁄3 + 3⁄5
Answer: 26⁄15 -
2. Algebra
Complete the square: x² + 4.4x
Answer: (x + 2.2)² - 4.84 -
3. Geometry
Adjacent = 16cm, hypotenuse = 25cm. Find the angle
Answer: 50.2° -
4. Ratio
Calculate 25.1% of 370
Answer: 92.87 -
5. Statistics
A spinner has 3 red, 4 blue and 6 green sections. Probability of landing on red?
Answer: 3⁄13