Keystones — Bedrock
Five GCSE retrieval questions · 1 September 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 11
Answer: 38 + 11 = 49 -
2. Algebra Substitution
If x = 4, find the value of 7x + 12
Answer: 40 -
3. Geometry Converting lengths
Convert 32cm to mm
Answer: 320mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:15
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 15, 19, 11
Answer: 15