Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 67
Answer: 91 + 67 = 158 -
2. Algebra Substitution
If x = 9, find the value of 8x + 12
Answer: 84 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:12
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 4, 19, 4
Answer: 9