Keystones — Bedrock
Five GCSE retrieval questions · 5 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 31 + 39
Answer: 31 + 39 = 70 -
2. Algebra Substitution
If x = 3, find the value of 4x + 11
Answer: 23 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:9
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 14, 20, 8
Answer: 14