Keystones — Bedrock
Five GCSE retrieval questions · 5 September 2022 · mathsvault.uk/keystones
-
1. Number
Calculate: 80 + 77
Answer: 80 + 77 = 157 -
2. Algebra
Find the next term: 19, 22, 25, 28, ...
Answer: 31 -
3. Geometry
Opposite = 10cm, hypotenuse = 20cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
Calculate 25% of 146
Answer: 36.5 -
5. Statistics
Find the mean of: 19, 6, 16
Answer: 13.666666666667