Keystones — Bedrock
Five GCSE retrieval questions · 14 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 49
Answer: 32 + 49 = 81 -
2. Algebra Substitution
If x = 2, find the value of 4x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 14m to cm
Answer: 1400cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:32
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 18, 16, 15, 19, 10
Answer: 15.6