Keystones — Bedrock
Five GCSE retrieval questions · 23 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 36
Answer: 45 + 36 = 81 -
2. Algebra Substitution
If x = 10, find the value of 7x + 5
Answer: 75 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 10:35
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 9, 7, 11, 13
Answer: 10