Keystones — Bedrock
Five GCSE retrieval questions · 3 June 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 75
Answer: 79 + 75 = 154 -
2. Algebra Substitution
If x = 5, find the value of 8x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:18
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 18, 5, 20, 18, 9
Answer: 14