Keystones — Capstone
Five GCSE retrieval questions · 23 October 2023 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 90. What are the numbers?
Answer: 29, 30, and 31 -
2. Algebra
Find the next term: 1, 3, 7, 13, ...
Answer: 21 -
3. Geometry
Find the distance between (0, 0) and (9, 8)
Answer: 12.04 -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
The mean of 5 numbers is 36. If 4 of them are 44, 21, 48, 43, what is the missing number?
Answer: 24