Keystones — Bedrock
Five GCSE retrieval questions · 17 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 36
Answer: 66 + 36 = 102 -
2. Algebra Substitution
If x = 4, find the value of 2x + 11
Answer: 19 -
3. Geometry Converting lengths
Convert 10m to cm
Answer: 1000cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:16
Answer: 5:8 -
5. Statistics Mean
Find the mean of: 16, 16, 9, 15
Answer: 14