Keystones — Bedrock
Five GCSE retrieval questions · 3 August 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 29
Answer: 21 + 29 = 50 -
2. Algebra Substitution
If x = 10, find the value of 5x + 11
Answer: 61 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:4
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 18, 18, 14, 6
Answer: 14