Keystones — Bedrock
Five GCSE retrieval questions · 11 February 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 72 + 78
Answer: 72 + 78 = 150 -
2. Algebra Substitution
If x = 4, find the value of 2x + 4
Answer: 12 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:28
Answer: 6:7 -
5. Statistics Mean
Find the mean of: 9, 14, 16, 5, 9
Answer: 10.6