Keystones — Bedrock
Five GCSE retrieval questions · 18 May 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 78
Answer: 66 + 78 = 144 -
2. Algebra Substitution
If x = 3, find the value of 8x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 28cm to mm
Answer: 280mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 12, 14, 17, 17
Answer: 15