Keystones — Bedrock
Five GCSE retrieval questions · 21 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 98
Answer: 74 + 98 = 172 -
2. Algebra Substitution
If x = 6, find the value of 6x + 10
Answer: 46 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 21:9
Answer: 7:3 -
5. Statistics Mean
Find the mean of: 19, 12, 7, 20, 4
Answer: 12.4