Keystones — Bedrock
Five GCSE retrieval questions · 19 November 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 74 + 78
Answer: 74 + 78 = 152 -
2. Algebra Substitution
If x = 3, find the value of 7x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:9
Answer: 5:3 -
5. Statistics Mean
Find the mean of: 9, 7, 16
Answer: 10.666666666667