Keystones — Bedrock
Five GCSE retrieval questions · 24 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 33 + 31
Answer: 33 + 31 = 64 -
2. Algebra Substitution
If x = 8, find the value of 7x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:10
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 14, 16, 8, 7, 17
Answer: 12.4