Keystones — Bedrock
Five GCSE retrieval questions · 29 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 94
Answer: 64 + 94 = 158 -
2. Algebra Substitution
If x = 6, find the value of 8x + 3
Answer: 51 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 25:30
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 10, 2, 3, 8, 7
Answer: 6