Keystones — Lintel
Five GCSE retrieval questions · 12 April 2022 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 96. What are the numbers?
Answer: 31, 32, and 33 -
2. Algebra
Collect like terms: 7x + 3y + 5x + 4y
Answer: 12x + 7y -
3. Geometry
Calculate the area of a right triangle with perpendicular sides 13cm and 14cm
Answer: 91cm² -
4. Ratio
Simplify the ratio 5m:500cm
Answer: 1:100 -
5. Statistics
A bag has 6 red and 6 blue balls. What is the probability of picking a red ball?
Answer: 1⁄2