Keystones — Bedrock
Five GCSE retrieval questions · 27 July 2017 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 88 + 54
Answer: 88 + 54 = 142 -
2. Algebra Substitution
If x = 3, find the value of 5x + 5
Answer: 20 -
3. Geometry Converting lengths
Convert 49cm to mm
Answer: 490mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 6, 9, 10, 10, 5
Answer: 8