Keystones — Bedrock
Five GCSE retrieval questions · 16 April 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 6 + 7 × 5
Answer: 41 -
2. Algebra
Solve: x + 2 = 6
Answer: x = 4 -
3. Geometry
Opposite = 9cm, hypotenuse = 18cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
In ratio 3:2, the difference between shares is 23. What are the shares?
Answer: 69 and 46 -
5. Statistics
Find the mean of: 4, 19, 11, 19, 5
Answer: 11.6