Keystones — Bedrock
Five GCSE retrieval questions · 18 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 31
Answer: 75 + 31 = 106 -
2. Algebra Substitution
If x = 6, find the value of 8x + 6
Answer: 54 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 5, 8, 20, 19
Answer: 13