Keystones — Bedrock
Five GCSE retrieval questions · 6 September 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 40 + 87
Answer: 40 + 87 = 127 -
2. Algebra Substitution
If x = 4, find the value of 7x + 10
Answer: 38 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 12:21
Answer: 4:7 -
5. Statistics Mean
Find the mean of: 7, 4, 12, 1
Answer: 6