Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 42
Answer: 42 + 42 = 84 -
2. Algebra Substitution
If x = 10, find the value of 4x + 7
Answer: 47 -
3. Geometry Converting lengths
Convert 8m to cm
Answer: 800cm -
4. Ratio Simplifying ratios
Simplify the ratio 35:30
Answer: 7:6 -
5. Statistics Mean
Find the mean of: 16, 8, 15
Answer: 13