Keystones — Bedrock
Five GCSE retrieval questions · 2 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 86
Answer: 81 + 86 = 167 -
2. Algebra Substitution
If x = 4, find the value of 8x + 9
Answer: 41 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:18
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 8, 14, 20
Answer: 14