Keystones — Bedrock
Five GCSE retrieval questions · 13 October 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 66 + 59
Answer: 66 + 59 = 125 -
2. Algebra Substitution
If x = 7, find the value of 8x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 20, 15, 4
Answer: 13