Keystones — Lintel
Five GCSE retrieval questions · 24 April 2022 · mathsvault.uk/keystones
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1. Number
What is the missing number: 61 + ? = 195
Answer: 134 -
2. Algebra
Solve: 7x = 77
Answer: x = 11 -
3. Geometry
Adjacent = 21cm, hypotenuse = 38cm. Find the angle
Answer: 56.5° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 3 blue and 2 green sections. Probability of landing on red?
Answer: 3⁄8