Keystones — Bedrock
Five GCSE retrieval questions · 26 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 21 + 45
Answer: 21 + 45 = 66 -
2. Algebra Substitution
If x = 4, find the value of 2x + 5
Answer: 13 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 32:28
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 18, 10, 13, 18, 15
Answer: 14.8