Keystones — Cornerstone
Five GCSE retrieval questions · 2 April 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 49 + 79
Answer: 49 + 79 = 128 -
2. Algebra
Find the next term: 9, 17, 25, 33, ...
Answer: 41 -
3. Geometry
Find the area of a circle with radius 9cm
Answer: 254.47cm² -
4. Ratio
Find 49% of 243
Answer: 119.07 -
5. Statistics
What is the probability of rolling a 2 on a fair die?
Answer: 1⁄6