Keystones — Bedrock
Five GCSE retrieval questions · 21 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 36
Answer: 42 + 36 = 78 -
2. Algebra Substitution
If x = 8, find the value of 6x + 7
Answer: 55 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:20
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 16, 18, 7, 20
Answer: 15.25