Keystones — Capstone
Five GCSE retrieval questions · 18 September 2024 · mathsvault.uk/keystones
-
1. Number
The sum of three consecutive numbers is 129. What are the numbers?
Answer: 42, 43, and 44 -
2. Algebra
Solve: x⁄8 = 4.125
Answer: x = 33 -
3. Geometry
Adjacent = 22cm, hypotenuse = 40cm. Find the angle
Answer: 56.6° -
4. Ratio
Simplify the ratio 8m:800cm
Answer: 1:100 -
5. Statistics
The mean of 4 numbers is 38. If 3 of them are 25, 21, 18, what is the missing number?
Answer: 88