Keystones — Bedrock
Five GCSE retrieval questions · 8 February 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 38 + 14
Answer: 38 + 14 = 52 -
2. Algebra Substitution
If x = 7, find the value of 7x + 3
Answer: 52 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 9:12
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 3, 20, 7, 2
Answer: 8