Keystones — Bedrock
Five GCSE retrieval questions · 16 December 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 19
Answer: 45 + 19 = 64 -
2. Algebra Substitution
If x = 3, find the value of 5x + 11
Answer: 26 -
3. Geometry Converting lengths
Convert 16m to cm
Answer: 1600cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:8
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 19, 16, 10
Answer: 15