Keystones — Bedrock
Five GCSE retrieval questions · 15 February 2019 · mathsvault.uk/keystones
-
1. Number Adding whole numbers
Calculate: 38 + 27
Answer: 38 + 27 = 65 -
2. Algebra Substitution
If x = 9, find the value of 8x + 7
Answer: 79 -
3. Geometry Converting lengths
Convert 17m to cm
Answer: 1700cm -
4. Ratio Simplifying ratios
Simplify the ratio 6:24
Answer: 1:4 -
5. Statistics Mean
Find the mean of: 9, 10, 19, 5
Answer: 10.75