Keystones — Bedrock
Five GCSE retrieval questions · 19 January 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 42
Answer: 39 + 42 = 81 -
2. Algebra Substitution
If x = 8, find the value of 7x + 7
Answer: 63 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:14
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 5, 10, 7, 6
Answer: 7