Keystones — Bedrock
Five GCSE retrieval questions · 19 March 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 99
Answer: 30 + 99 = 129 -
2. Algebra Substitution
If x = 8, find the value of 5x + 6
Answer: 46 -
3. Geometry Converting lengths
Convert 6m to cm
Answer: 600cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 7, 3, 5, 13
Answer: 7