Keystones — Bedrock
Five GCSE retrieval questions · 31 July 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 13
Answer: 25 + 13 = 38 -
2. Algebra Substitution
If x = 9, find the value of 5x + 11
Answer: 56 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:6
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 3, 15, 11, 11
Answer: 10