Keystones — Bedrock
Five GCSE retrieval questions · 20 July 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 30
Answer: 42 + 30 = 72 -
2. Algebra Substitution
If x = 9, find the value of 4x + 8
Answer: 44 -
3. Geometry Converting lengths
Convert 37cm to mm
Answer: 370mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:24
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 15, 13, 7, 8
Answer: 10.75