Keystones — Bedrock
Five GCSE retrieval questions · 24 October 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 18
Answer: 22 + 18 = 40 -
2. Algebra Substitution
If x = 8, find the value of 2x + 8
Answer: 24 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:28
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 18, 17, 3, 14
Answer: 13