Keystones — Bedrock
Five GCSE retrieval questions · 17 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 75 + 65
Answer: 75 + 65 = 140 -
2. Algebra Substitution
If x = 3, find the value of 7x + 12
Answer: 33 -
3. Geometry Converting lengths
Convert 12m to cm
Answer: 1200cm -
4. Ratio Simplifying ratios
Simplify the ratio 16:8
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 8, 17, 16
Answer: 13.666666666667