Keystones — Bedrock
Five GCSE retrieval questions · 10 April 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 59
Answer: 98 + 59 = 157 -
2. Algebra Substitution
If x = 9, find the value of 4x + 7
Answer: 43 -
3. Geometry Converting lengths
Convert 13m to cm
Answer: 1300cm -
4. Ratio Simplifying ratios
Simplify the ratio 24:8
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 15, 17, 9, 17, 20
Answer: 15.6