Keystones — Lintel
Five GCSE retrieval questions · 3 September 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 73 + ? = 196
Answer: 123 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Opposite = 12cm, adjacent = 17cm. Calculate the angle
Answer: 35.2° -
4. Ratio
Simplify: 12:24:24
Answer: 1:2:2 -
5. Statistics
A spinner has 2 red, 5 blue and 5 green sections. Probability of landing on red?
Answer: 1⁄6