Keystones — Bedrock
Five GCSE retrieval questions · 6 August 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 22 + 88
Answer: 22 + 88 = 110 -
2. Algebra Substitution
If x = 7, find the value of 4x + 9
Answer: 37 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 30:15
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 15, 6, 13, 18
Answer: 13