Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 81
Answer: 86 + 81 = 167 -
2. Algebra Substitution
If x = 5, find the value of 8x + 9
Answer: 49 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 17, 11, 14, 9
Answer: 12.75