Keystones — Bedrock
Five GCSE retrieval questions · 7 May 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 50 + 57
Answer: 50 + 57 = 107 -
2. Algebra Substitution
If x = 10, find the value of 8x + 4
Answer: 84 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 19, 13, 4
Answer: 12