Keystones — Bedrock
Five GCSE retrieval questions · 4 October 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 49 + 57
Answer: 49 + 57 = 106 -
2. Algebra Substitution
If x = 2, find the value of 7x + 10
Answer: 24 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 19, 19, 14, 8, 3
Answer: 12.6