Keystones — Bedrock
Five GCSE retrieval questions · 26 June 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 16 + 21
Answer: 16 + 21 = 37 -
2. Algebra Substitution
If x = 4, find the value of 4x + 12
Answer: 28 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 11, 4, 21
Answer: 12