Keystones — Lintel
Five GCSE retrieval questions · 30 March 2025 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 114. What are the numbers?
Answer: 37, 38, and 39 -
2. Algebra
Solve: 7x + 7 = 6x - 9
Answer: x = 16 -
3. Geometry
Opposite = 17cm, adjacent = 10cm. Calculate the angle
Answer: 59.5° -
4. Ratio
Simplify the ratio 3m:300cm
Answer: 1:100 -
5. Statistics
A spinner has 3 red, 5 blue and 3 green sections. Probability of landing on red?
Answer: 3⁄11