Keystones — Bedrock
Five GCSE retrieval questions · 9 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 30
Answer: 13 + 30 = 43 -
2. Algebra Substitution
If x = 9, find the value of 7x + 7
Answer: 70 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:12
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 15, 24, 2, 10, 19
Answer: 14