Keystones — Bedrock
Five GCSE retrieval questions · 16 January 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 49
Answer: 49 + 49 = 98 -
2. Algebra Substitution
If x = 2, find the value of 7x + 7
Answer: 21 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:12
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 12, 23, 4
Answer: 13