Keystones — Bedrock
Five GCSE retrieval questions · 16 August 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 61
Answer: 75 + 61 = 136 -
2. Algebra Substitution
If x = 6, find the value of 6x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 4m to cm
Answer: 400cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 19, 6, 2, 9
Answer: 9