Keystones — Bedrock
Five GCSE retrieval questions · 30 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 12 + 30
Answer: 12 + 30 = 42 -
2. Algebra Substitution
If x = 2, find the value of 4x + 3
Answer: 11 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:35
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 3, 4, 11, 5
Answer: 5.75