Keystones — Bedrock
Five GCSE retrieval questions · 3 July 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 26 + 36
Answer: 26 + 36 = 62 -
2. Algebra Substitution
If x = 10, find the value of 8x + 9
Answer: 89 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:10
Answer: 8:5 -
5. Statistics Mean
Find the mean of: 4, 12, 18, 4, 2
Answer: 8