Keystones — Bedrock
Five GCSE retrieval questions · 9 January 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 22
Answer: 22 + 22 = 44 -
2. Algebra Substitution
If x = 3, find the value of 8x + 12
Answer: 36 -
3. Geometry Converting lengths
Convert 21cm to mm
Answer: 210mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 6, 18, 12
Answer: 12