Keystones — Bedrock
Five GCSE retrieval questions · 22 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 36
Answer: 17 + 36 = 53 -
2. Algebra Substitution
If x = 6, find the value of 2x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:25
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 11, 11, 20
Answer: 14