Keystones — Bedrock
Five GCSE retrieval questions · 1 September 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 33
Answer: 22 + 33 = 55 -
2. Algebra Substitution
If x = 6, find the value of 3x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 9m to cm
Answer: 900cm -
4. Ratio Simplifying ratios
Simplify the ratio 15:25
Answer: 3:5 -
5. Statistics Mean
Find the mean of: 19, 17, 16, 4
Answer: 14