Keystones — Bedrock
Five GCSE retrieval questions · 18 May 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 86
Answer: 42 + 86 = 128 -
2. Algebra Substitution
If x = 10, find the value of 5x + 10
Answer: 60 -
3. Geometry Converting lengths
Convert 18m to cm
Answer: 1800cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:25
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 11, 2, 18
Answer: 10.333333333333