Keystones — Bedrock
Five GCSE retrieval questions · 6 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 51
Answer: 83 + 51 = 134 -
2. Algebra Substitution
If x = 8, find the value of 5x + 10
Answer: 50 -
3. Geometry Converting lengths
Convert 31cm to mm
Answer: 310mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:12
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 7, 20, 13, 20
Answer: 15