Keystones — Bedrock
Five GCSE retrieval questions · 18 October 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 84 + 86
Answer: 84 + 86 = 170 -
2. Algebra Substitution
If x = 7, find the value of 8x + 3
Answer: 59 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 11, 19, 8, 2
Answer: 10