Keystones — Bedrock
Five GCSE retrieval questions · 23 October 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 55
Answer: 45 + 55 = 100 -
2. Algebra Substitution
If x = 2, find the value of 8x + 4
Answer: 20 -
3. Geometry Converting lengths
Convert 25cm to mm
Answer: 250mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:15
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 6, 5, 8, 3
Answer: 5.5