Keystones — Bedrock
Five GCSE retrieval questions · 10 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 89 + 40
Answer: 89 + 40 = 129 -
2. Algebra Substitution
If x = 6, find the value of 8x + 9
Answer: 57 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 13, 2, 3
Answer: 6