Keystones — Bedrock
Five GCSE retrieval questions · 9 March 2018 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 65
Answer: 25 + 65 = 90 -
2. Algebra Substitution
If x = 7, find the value of 5x + 8
Answer: 43 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:21
Answer: 8:7 -
5. Statistics Mean
Find the mean of: 11, 9, 19
Answer: 13