Keystones — Bedrock
Five GCSE retrieval questions · 10 December 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 81 + 26
Answer: 81 + 26 = 107 -
2. Algebra Substitution
If x = 10, find the value of 4x + 5
Answer: 45 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 18, 7, 12, 19
Answer: 14