Keystones — Bedrock
Five GCSE retrieval questions · 3 February 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 27
Answer: 40 + 27 = 67 -
2. Algebra Substitution
If x = 10, find the value of 8x + 11
Answer: 91 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:6
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 5, 5, 15, 11
Answer: 9