Keystones — Bedrock
Five GCSE retrieval questions · 24 March 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 42 + 32
Answer: 42 + 32 = 74 -
2. Algebra Substitution
If x = 3, find the value of 2x + 7
Answer: 13 -
3. Geometry Converting lengths
Convert 11m to cm
Answer: 1100cm -
4. Ratio Simplifying ratios
Simplify the ratio 9:15
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 16, 3, 8, 16, 20
Answer: 12.6