Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 35 + 30
Answer: 35 + 30 = 65 -
2. Algebra Substitution
If x = 10, find the value of 7x + 11
Answer: 81 -
3. Geometry Converting lengths
Convert 39cm to mm
Answer: 390mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:24
Answer: 1:3 -
5. Statistics Mean
Find the mean of: 17, 16, 6, 9
Answer: 12