Keystones — Bedrock
Five GCSE retrieval questions · 28 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 39
Answer: 43 + 39 = 82 -
2. Algebra Substitution
If x = 6, find the value of 5x + 9
Answer: 39 -
3. Geometry Converting lengths
Convert 15m to cm
Answer: 1500cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:6
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 8, 6, 10
Answer: 8