Keystones — Lintel
Five GCSE retrieval questions · 19 December 2022 · mathsvault.uk/keystones
-
1. Number
What is the missing number: 69 + ? = 174
Answer: 105 -
2. Algebra
Solve: 5x = 70
Answer: x = 14 -
3. Geometry
Calculate the hypotenuse when a = 6cm and b = 6cm
Answer: 8.49cm -
4. Ratio
Simplify the ratio 4m:400cm
Answer: 1:100 -
5. Statistics
Calculate the mean of: 42, 28, 43, 22, 6, 44, 45
Answer: 32.9