Keystones — Lintel
Five GCSE retrieval questions · 24 September 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 138. What are the numbers?
Answer: 45, 46, and 47 -
2. Algebra
Solve: x⁄2 = 19.5
Answer: x = 39 -
3. Geometry
Opposite = 12cm, adjacent = 17cm. Calculate the angle
Answer: 35.2° -
4. Ratio
Calculate 44.6% of 478
Answer: 213.19 -
5. Statistics
A spinner has 3 red, 2 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄8