Keystones — Bedrock
Five GCSE retrieval questions · 31 January 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 29 + 88
Answer: 29 + 88 = 117 -
2. Algebra Substitution
If x = 3, find the value of 8x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:10
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 14, 16, 5, 5, 5
Answer: 9