Keystones — Bedrock
Five GCSE retrieval questions · 5 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 79
Answer: 78 + 79 = 157 -
2. Algebra Substitution
If x = 10, find the value of 2x + 5
Answer: 25 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:8
Answer: 3:2 -
5. Statistics Mean
Find the mean of: 5, 11, 5
Answer: 7