Keystones — Lintel
Five GCSE retrieval questions · 1 May 2024 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 36 + ? = 180
Answer: 144 -
2. Algebra
Solve: x⁄4 = 7
Answer: x = 28 -
3. Geometry
Adjacent = 19cm, hypotenuse = 39cm. Find the angle
Answer: 60.8° -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
A bag has 4 red and 4 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2