Keystones — Cornerstone
Five GCSE retrieval questions · 4 March 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 63 + ? = 106
Answer: 43 -
2. Algebra
Solve: x + 4 = 7
Answer: x = 3 -
3. Geometry
Opposite = 8cm, adjacent = 16cm. Calculate the angle
Answer: 26.6° -
4. Ratio
Simplify the ratio 40:30
Answer: 4:3 -
5. Statistics
Calculate the range of: 59, 34, 37, 75, 76, 75
Answer: 42