Keystones — Bedrock
Five GCSE retrieval questions · 3 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 55
Answer: 50 + 55 = 105 -
2. Algebra Substitution
If x = 5, find the value of 7x + 6
Answer: 41 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:40
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 8, 10, 9
Answer: 9