Keystones — Bedrock
Five GCSE retrieval questions · 24 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 64 + 36
Answer: 64 + 36 = 100 -
2. Algebra Substitution
If x = 3, find the value of 4x + 10
Answer: 22 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 25, 6, 11, 6
Answer: 12