Keystones — Lintel
Five GCSE retrieval questions · 3 September 2021 · mathsvault.uk/keystones
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1. Number
Find the missing number: 5.13 + □ = 14.35
Answer: □ = 9.22 -
2. Algebra
Solve: x⁄5 = 3.4
Answer: x = 17 -
3. Geometry
Adjacent = 27cm, hypotenuse = 34cm. Find the angle
Answer: 37.4° -
4. Ratio
Calculate 17.8% of 332
Answer: 59.1 -
5. Statistics
A bag has 7 red and 8 blue balls. What is the probability of picking a red ball?
Answer: 7⁄15