Keystones — Bedrock
Five GCSE retrieval questions · 1 May 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 29
Answer: 38 + 29 = 67 -
2. Algebra Substitution
If x = 8, find the value of 2x + 7
Answer: 23 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:20
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 20, 3, 8, 9
Answer: 10