Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 91 + 29
Answer: 91 + 29 = 120 -
2. Algebra Substitution
If x = 5, find the value of 3x + 8
Answer: 23 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 8:28
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 19, 15, 19, 5, 20
Answer: 15.6