Keystones — Bedrock
Five GCSE retrieval questions · 7 September 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 98 + 80
Answer: 98 + 80 = 178 -
2. Algebra Substitution
If x = 8, find the value of 2x + 10
Answer: 26 -
3. Geometry Converting lengths
Convert 7m to cm
Answer: 700cm -
4. Ratio Simplifying ratios
Simplify the ratio 20:10
Answer: 2:1 -
5. Statistics Mean
Find the mean of: 9, 12, 12
Answer: 11