Keystones — Bedrock
Five GCSE retrieval questions · 21 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 10
Answer: 10 + 10 = 20 -
2. Algebra Substitution
If x = 5, find the value of 8x + 3
Answer: 43 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:18
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 4, 24, 11
Answer: 13