Keystones — Bedrock
Five GCSE retrieval questions · 14 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 23 + 39
Answer: 23 + 39 = 62 -
2. Algebra Substitution
If x = 9, find the value of 3x + 8
Answer: 35 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:14
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 16, 14, 9
Answer: 13