Keystones — Bedrock
Five GCSE retrieval questions · 3 September 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 19 + 16
Answer: 19 + 16 = 35 -
2. Algebra Substitution
If x = 7, find the value of 3x + 11
Answer: 32 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 10:30
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 19, 18, 8
Answer: 15