Keystones — Lintel
Five GCSE retrieval questions · 19 December 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 994 + 755
Answer: 1749 -
2. Algebra
Solve: 9x = 135
Answer: x = 15 -
3. Geometry
Opposite = 12cm, adjacent = 10cm. Calculate the angle
Answer: 50.2° -
4. Ratio
Simplify the ratio 6m:600cm
Answer: 1:100 -
5. Statistics
A bag has 5 red and 3 blue balls. What is the probability of picking a red ball?
Answer: 5⁄8