Keystones — Bedrock
Five GCSE retrieval questions · 29 December 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 11 + 31
Answer: 11 + 31 = 42 -
2. Algebra Substitution
If x = 9, find the value of 7x + 9
Answer: 72 -
3. Geometry Converting lengths
Convert 46cm to mm
Answer: 460mm -
4. Ratio Simplifying ratios
Simplify the ratio 6:8
Answer: 3:4 -
5. Statistics Mean
Find the mean of: 9, 13, 10, 20
Answer: 13