Keystones — Bedrock
Five GCSE retrieval questions · 24 December 2021 · mathsvault.uk/keystones
-
1. Number
Calculate: 72 + 93
Answer: 72 + 93 = 165 -
2. Algebra
Find the next term: 19, 26, 33, 40, ...
Answer: 47 -
3. Geometry
Find the area of a right triangle with base 5cm and height 5cm
Answer: 12.5cm² -
4. Ratio
Calculate 25% of 145
Answer: 36.25 -
5. Statistics
What is the probability of rolling a 6 on a fair die?
Answer: 1⁄6