Keystones — Bedrock
Five GCSE retrieval questions · 10 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 86 + 35
Answer: 86 + 35 = 121 -
2. Algebra Substitution
If x = 5, find the value of 3x + 3
Answer: 18 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:21
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 16, 16, 4, 9, 9
Answer: 10.8