Keystones — Bedrock
Five GCSE retrieval questions · 7 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 13 + 11
Answer: 13 + 11 = 24 -
2. Algebra Substitution
If x = 10, find the value of 4x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 25, 5, 6
Answer: 12