Keystones — Lintel
Five GCSE retrieval questions · 28 March 2023 · mathsvault.uk/keystones
-
1. Number
Calculate: 997 + 507
Answer: 1504 -
2. Algebra
Expand: 8(6x - 10)
Answer: 48x - 80 -
3. Geometry
Opposite = 14cm, adjacent = 8cm. Calculate the angle
Answer: 60.3° -
4. Ratio
Calculate 18.3% of 520
Answer: 95.16 -
5. Statistics
A bag has 4 red and 5 blue balls. What is the probability of picking a red ball?
Answer: 4⁄9