Keystones — Bedrock
Five GCSE retrieval questions · 14 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 68
Answer: 87 + 68 = 155 -
2. Algebra Substitution
If x = 6, find the value of 6x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 8cm to mm
Answer: 80mm -
4. Ratio Simplifying ratios
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 17, 12, 7, 14
Answer: 12.5