Keystones — Bedrock
Five GCSE retrieval questions · 25 March 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 98
Answer: 79 + 98 = 177 -
2. Algebra Substitution
If x = 6, find the value of 2x + 8
Answer: 20 -
3. Geometry Converting lengths
Convert 38cm to mm
Answer: 380mm -
4. Ratio Simplifying ratios
Simplify the ratio 12:4
Answer: 3:1 -
5. Statistics Mean
Find the mean of: 14, 10, 20, 7
Answer: 12.75