Keystones — Bedrock
Five GCSE retrieval questions · 15 April 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 28 + 11
Answer: 28 + 11 = 39 -
2. Algebra Substitution
If x = 10, find the value of 4x + 4
Answer: 44 -
3. Geometry Converting lengths
Convert 2m to cm
Answer: 200cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 8, 17, 12, 19
Answer: 14