Keystones — Lintel
Five GCSE retrieval questions · 22 September 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 88 + ? = 197
Answer: 109 -
2. Algebra
Solve: 5x = 65
Answer: x = 13 -
3. Geometry
Find c if a = 16cm and b = 17cm in a right triangle
Answer: 23.3cm -
4. Ratio
Simplify: 8:8:16
Answer: 1:1:2 -
5. Statistics
A spinner has 2 red, 4 blue and 3 green sections. Probability of landing on red?
Answer: 2⁄9