Keystones — Bedrock
Five GCSE retrieval questions · 9 April 2019 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 79 + 53
Answer: 79 + 53 = 132 -
2. Algebra Substitution
If x = 7, find the value of 8x + 5
Answer: 61 -
3. Geometry Converting lengths
Convert 27cm to mm
Answer: 270mm -
4. Ratio Simplifying ratios
Simplify the ratio 35:40
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 3, 19, 16, 18
Answer: 14