Keystones — Lintel
Five GCSE retrieval questions · 30 June 2021 · mathsvault.uk/keystones
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1. Number
0.00084
Answer: 8.4 × 10^-4 -
2. Algebra
Solve: 3x = 15
Answer: x = 5 -
3. Geometry
Calculate the hypotenuse when a = 10cm and b = 14cm
Answer: 17.2cm -
4. Ratio
Find 47% of 140
Answer: 65.8 -
5. Statistics
Find the range of: 14, 28, 4, -17, 48
Answer: 65