Keystones — Bedrock
Five GCSE retrieval questions · 30 July 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 44
Answer: 43 + 44 = 87 -
2. Algebra Substitution
If x = 7, find the value of 4x + 11
Answer: 39 -
3. Geometry Converting lengths
Convert 19cm to mm
Answer: 190mm -
4. Ratio Simplifying ratios
Simplify the ratio 28:8
Answer: 7:2 -
5. Statistics Mean
Find the mean of: 17, 16, 14, 20
Answer: 16.75