Keystones — Lintel
Five GCSE retrieval questions · 8 January 2022 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Factorise: 5x² + 5x
Answer: 5x(x + 1) -
3. Geometry
Adjacent = 27cm, hypotenuse = 37cm. Find the angle
Answer: 43.1° -
4. Ratio
Calculate 15.6% of 883
Answer: 137.75 -
5. Statistics
Find the range of: -16, -9, 30, 28, -30
Answer: 60