Keystones — Bedrock
Five GCSE retrieval questions · 14 November 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 25 + 26
Answer: 25 + 26 = 51 -
2. Algebra Substitution
If x = 8, find the value of 3x + 6
Answer: 30 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 18:6
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 10, 4, 19, 17
Answer: 12.5