Keystones — Bedrock
Five GCSE retrieval questions · 17 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 30
Answer: 44 + 30 = 74 -
2. Algebra Substitution
If x = 3, find the value of 8x + 3
Answer: 27 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:20
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 7, 13, 13, 19, 8
Answer: 12