Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 83 + 28
Answer: 83 + 28 = 111 -
2. Algebra Substitution
If x = 9, find the value of 7x + 8
Answer: 71 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 7, 18, 4, 8
Answer: 9.25