Keystones — Bedrock
Five GCSE retrieval questions · 24 August 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 73
Answer: 45 + 73 = 118 -
2. Algebra Substitution
If x = 10, find the value of 7x + 10
Answer: 80 -
3. Geometry Converting lengths
Convert 12cm to mm
Answer: 120mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 2, 16, 19, 15
Answer: 13