Keystones — Bedrock
Five GCSE retrieval questions · 14 March 2014 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 43 + 21
Answer: 43 + 21 = 64 -
2. Algebra Substitution
If x = 7, find the value of 8x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:21
Answer: 2:7 -
5. Statistics Mean
Find the mean of: 11, 11, 14, 20
Answer: 14