Keystones — Bedrock
Five GCSE retrieval questions · 10 July 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 68 + 83
Answer: 68 + 83 = 151 -
2. Algebra Substitution
If x = 7, find the value of 8x + 10
Answer: 66 -
3. Geometry Converting lengths
Convert 40cm to mm
Answer: 400mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 11, 15, 15, 9
Answer: 12.5