Keystones — Bedrock
Five GCSE retrieval questions · 22 March 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 72
Answer: 31 + 72 = 103 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 50cm to mm
Answer: 500mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:32
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 18, 14, 14, 6
Answer: 13