Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 21
Answer: 35 + 21 = 56 -
2. Algebra Substitution
If x = 2, find the value of 3x + 9
Answer: 15 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 40:10
Answer: 4:1 -
5. Statistics Mean
Find the mean of: 8, 10, 15, 4
Answer: 9.25