Keystones — Bedrock
Five GCSE retrieval questions · 16 March 2015 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 54 + 26
Answer: 54 + 26 = 80 -
2. Algebra Substitution
If x = 3, find the value of 8x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 24:20
Answer: 6:5 -
5. Statistics Mean
Find the mean of: 10, 18, 14
Answer: 14