Keystones — Bedrock
Five GCSE retrieval questions · 12 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 80 + 36
Answer: 80 + 36 = 116 -
2. Algebra Substitution
If x = 9, find the value of 2x + 11
Answer: 29 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:12
Answer: 5:4 -
5. Statistics Mean
Find the mean of: 20, 9, 3, 3, 5
Answer: 8