Keystones — Bedrock
Five GCSE retrieval questions · 22 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 13
Answer: 19 + 13 = 32 -
2. Algebra Substitution
If x = 9, find the value of 4x + 6
Answer: 42 -
3. Geometry Converting lengths
Convert 22cm to mm
Answer: 220mm -
4. Ratio Simplifying ratios
Simplify the ratio 30:40
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 6, 8, 11, 11
Answer: 9