Keystones — Bedrock
Five GCSE retrieval questions · 19 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 38
Answer: 39 + 38 = 77 -
2. Algebra Substitution
If x = 2, find the value of 7x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 8, 15, 13
Answer: 12