Keystones — Bedrock
Five GCSE retrieval questions · 9 October 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 78 + 74
Answer: 78 + 74 = 152 -
2. Algebra Substitution
If x = 3, find the value of 8x + 5
Answer: 29 -
3. Geometry Converting lengths
Convert 13cm to mm
Answer: 130mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:20
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 12, 13, 11
Answer: 12