Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 39
Answer: 30 + 39 = 69 -
2. Algebra Substitution
If x = 7, find the value of 8x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 13, 19, 16, 12
Answer: 15