Keystones — Bedrock
Five GCSE retrieval questions · 16 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 17 + 38
Answer: 17 + 38 = 55 -
2. Algebra Substitution
If x = 2, find the value of 8x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:18
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 13, 8, 9
Answer: 10