Keystones — Bedrock
Five GCSE retrieval questions · 16 December 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 95 + 48
Answer: 95 + 48 = 143 -
2. Algebra Substitution
If x = 2, find the value of 3x + 10
Answer: 16 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:28
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 7, 6, 17
Answer: 10