Keystones — Bedrock
Five GCSE retrieval questions · 26 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 93
Answer: 25 + 93 = 118 -
2. Algebra Substitution
If x = 4, find the value of 5x + 11
Answer: 31 -
3. Geometry Converting lengths
Convert 5cm to mm
Answer: 50mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 6, 16, 9, 19
Answer: 12.5