Keystones — Bedrock
Five GCSE retrieval questions · 14 January 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 53 + 28
Answer: 53 + 28 = 81 -
2. Algebra Substitution
If x = 6, find the value of 8x + 7
Answer: 55 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:32
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 10, 18, 5
Answer: 11