Keystones — Bedrock
Five GCSE retrieval questions · 2 March 2020 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 88 + 98
Answer: 88 + 98 = 186 -
2. Algebra Substitution
If x = 8, find the value of 3x + 7
Answer: 31 -
3. Geometry Converting lengths
Convert 9cm to mm
Answer: 90mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:12
Answer: 4:3 -
5. Statistics Mean
Find the mean of: 20, 17, 20, 18, 5
Answer: 16