Keystones — Bedrock
Five GCSE retrieval questions · 8 May 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 41 + 32
Answer: 41 + 32 = 73 -
2. Algebra Substitution
If x = 9, find the value of 4x + 4
Answer: 40 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 14, 17, 2, 7, 15
Answer: 11