Keystones — Bedrock
Five GCSE retrieval questions · 18 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 32 + 10
Answer: 32 + 10 = 42 -
2. Algebra Substitution
If x = 5, find the value of 7x + 10
Answer: 45 -
3. Geometry Converting lengths
Convert 30cm to mm
Answer: 300mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:9
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 1, 18, 19, 18
Answer: 14