Keystones — Bedrock
Five GCSE retrieval questions · 20 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 48 + 32
Answer: 48 + 32 = 80 -
2. Algebra Substitution
If x = 3, find the value of 7x + 6
Answer: 27 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:4
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 11, 12, 11, 6
Answer: 10