Keystones — Bedrock
Five GCSE retrieval questions · 16 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 97 + 50
Answer: 97 + 50 = 147 -
2. Algebra Substitution
If x = 10, find the value of 2x + 4
Answer: 24 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:15
Answer: 8:3 -
5. Statistics Mean
Find the mean of: 6, 20, 14, 4
Answer: 11