Keystones — Bedrock
Five GCSE retrieval questions · 29 May 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 22
Answer: 79 + 22 = 101 -
2. Algebra Substitution
If x = 8, find the value of 4x + 8
Answer: 40 -
3. Geometry Converting lengths
Convert 5m to cm
Answer: 500cm -
4. Ratio Simplifying ratios
Simplify the ratio 25:35
Answer: 5:7 -
5. Statistics Mean
Find the mean of: 20, 11, 10, 19
Answer: 15