Keystones — Bedrock
Five GCSE retrieval questions · 20 January 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 45 + 25
Answer: 45 + 25 = 70 -
2. Algebra Substitution
If x = 5, find the value of 4x + 9
Answer: 29 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 4:6
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 20, 13, 6
Answer: 13