Keystones — Lintel
Five GCSE retrieval questions · 23 December 2021 · mathsvault.uk/keystones
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1. Number
Calculate: 996 + 625
Answer: 1621 -
2. Algebra
Solve: 4x = 16
Answer: x = 4 -
3. Geometry
Adjacent = 20cm, hypotenuse = 28cm. Find the angle
Answer: 44.4° -
4. Ratio
Find 78% of 492
Answer: 383.76 -
5. Statistics
A bag has 4 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2