Keystones — Bedrock
Five GCSE retrieval questions · 22 December 2022 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 73 + 63
Answer: 73 + 63 = 136 -
2. Algebra Substitution
If x = 3, find the value of 6x + 7
Answer: 25 -
3. Geometry Converting lengths
Convert 6cm to mm
Answer: 60mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:8
Answer: 5:2 -
5. Statistics Mean
Find the mean of: 11, 5, 13, 17
Answer: 11.5