Keystones — Bedrock
Five GCSE retrieval questions · 4 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 15
Answer: 41 + 15 = 56 -
2. Algebra Substitution
If x = 6, find the value of 8x + 9
Answer: 57 -
3. Geometry Converting lengths
Convert 34cm to mm
Answer: 340mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 16, 8, 8, 20, 13
Answer: 13