Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 26
Answer: 25 + 26 = 51 -
2. Algebra Substitution
If x = 5, find the value of 6x + 3
Answer: 33 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 3, 16, 9, 9, 8
Answer: 9