Keystones — Bedrock
Five GCSE retrieval questions · 21 March 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 48
Answer: 36 + 48 = 84 -
2. Algebra Substitution
If x = 7, find the value of 8x + 9
Answer: 65 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:20
Answer: 2:5 -
5. Statistics Mean
Find the mean of: 3, 3, 18
Answer: 8