Keystones — Bedrock
Five GCSE retrieval questions · 15 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 95
Answer: 91 + 95 = 186 -
2. Algebra Substitution
If x = 8, find the value of 3x + 8
Answer: 32 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:21
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 17, 5, 8, 10
Answer: 10