Keystones — Bedrock
Five GCSE retrieval questions · 21 September 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 31
Answer: 38 + 31 = 69 -
2. Algebra Substitution
If x = 8, find the value of 8x + 12
Answer: 76 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:14
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 18, 4, 17, 9
Answer: 12