Keystones — Lintel
Five GCSE retrieval questions · 3 February 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 68 + ? = 147
Answer: 79 -
2. Algebra
Solve: 2x = 22
Answer: x = 11 -
3. Geometry
Adjacent = 26cm, hypotenuse = 41cm. Find the angle
Answer: 50.6° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
A bag has 7 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 7⁄13