Keystones — Bedrock
Five GCSE retrieval questions · 4 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 41
Answer: 31 + 41 = 72 -
2. Algebra Substitution
If x = 8, find the value of 5x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 19, 3, 17
Answer: 13