Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 37
Answer: 49 + 37 = 86 -
2. Algebra Substitution
If x = 5, find the value of 8x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 8, 15, 13
Answer: 12