Keystones — Capstone
Five GCSE retrieval questions · 14 May 2021 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Solve: x⁄5 = 4.2
Answer: x = 21 -
3. Geometry
Adjacent = 19cm, hypotenuse = 32cm. Find the angle
Answer: 53.6° -
4. Ratio
Calculate 39.2% of 606
Answer: 237.55 -
5. Statistics
A spinner has 4 red, 4 blue and 2 green sections. Probability of landing on red?
Answer: 2⁄5