Keystones — Bedrock
Five GCSE retrieval questions · 13 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 87 + 39
Answer: 87 + 39 = 126 -
2. Algebra Substitution
If x = 8, find the value of 7x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:35
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 16, 4, 4, 13
Answer: 9.25