Keystones — Bedrock
Five GCSE retrieval questions · 5 May 2018 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 42 + 61
Answer: 42 + 61 = 103 -
2. Algebra Substitution
If x = 5, find the value of 5x + 9
Answer: 34 -
3. Geometry Converting lengths
Convert 33cm to mm
Answer: 330mm -
4. Ratio Simplifying ratios
Simplify the ratio 21:24
Answer: 7:8 -
5. Statistics Mean
Find the mean of: 4, 2, 10, 19
Answer: 8.75