Keystones — Bedrock
Five GCSE retrieval questions · 18 July 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 66 + 99
Answer: 66 + 99 = 165 -
2. Algebra Substitution
If x = 2, find the value of 8x + 11
Answer: 27 -
3. Geometry Converting lengths
Convert 29cm to mm
Answer: 290mm -
4. Ratio Simplifying ratios
Simplify the ratio 15:35
Answer: 3:7 -
5. Statistics Mean
Find the mean of: 4, 12, 9, 15, 5
Answer: 9