Keystones — Lintel
Five GCSE retrieval questions · 28 February 2023 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄2 + 1⁄2 + 3⁄4
Answer: 7⁄4 -
2. Algebra
Solve: 8x = 112
Answer: x = 14 -
3. Geometry
Opposite = 13cm, adjacent = 18cm. Calculate the angle
Answer: 35.8° -
4. Ratio
Find 58% of 155
Answer: 89.9 -
5. Statistics
A bag has 8 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 2⁄3