Keystones — Bedrock
Five GCSE retrieval questions · 3 February 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 44 + 10
Answer: 44 + 10 = 54 -
2. Algebra Substitution
If x = 6, find the value of 4x + 11
Answer: 35 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 11, 12, 17, 16, 4
Answer: 12