Keystones — Bedrock
Five GCSE retrieval questions · 8 April 2016 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 36 + 61
Answer: 36 + 61 = 97 -
2. Algebra Substitution
If x = 4, find the value of 7x + 8
Answer: 36 -
3. Geometry Converting lengths
Convert 19m to cm
Answer: 1900cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:24
Answer: 5:6 -
5. Statistics Mean
Find the mean of: 20, 19, 5, 5, 16
Answer: 13