Keystones — Bedrock
Five GCSE retrieval questions · 26 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 28
Answer: 35 + 28 = 63 -
2. Algebra Substitution
If x = 4, find the value of 7x + 4
Answer: 32 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:12
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 6, 15, 8, 2
Answer: 8