Keystones — Bedrock
Five GCSE retrieval questions · 17 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 35
Answer: 42 + 35 = 77 -
2. Algebra Substitution
If x = 2, find the value of 6x + 5
Answer: 17 -
3. Geometry Converting lengths
Convert 7cm to mm
Answer: 70mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 21, 19, 13, 3
Answer: 14