Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 74
Answer: 88 + 74 = 162 -
2. Algebra Substitution
If x = 6, find the value of 8x + 5
Answer: 53 -
3. Geometry Converting lengths
Convert 24cm to mm
Answer: 240mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 4, 7, 25, 12
Answer: 12