IGCSE Maths 0580 February/March 2023 Paper 42 EXTENDED

Solutions, explanations and advice on IGCSE Cambridge Maths Exam Questions: 00:20 Question 1ai - Ratio 02:20 Question 1aii - Percentages 05:57 Question 1aii - Compound Interest 09:54 Question 1b - Ratio 13:27 Question 1c - Percentage Increase 16:55 Question 1d - Compound Interest 20:50 Question 2a - Averages 31:10 Question 2b - Box-and-whisker plot 32:42 Question 2ci - Mean from grouped frequency table 37:53 Question 2cii - Histograms 41:52 Question 3a - Volume of a sphere 48:10 Question 3b - Volume of a cylinder 54:05 Question 3c - Volume 58:50 Question 4a - Transformations 1:05:48 Question 4b - Vectors 1:12:26 Question 5a - Expanding brackets 1:15:01 Question 5b - Substitution/Rearranging formulae 1:17:56 Question 5c - Factorising 1:24:02 Question 6a & b - Equation of a line 1:28:38 Question 6ci - Equation of a perpendicular line 1:33:53 Question 6cii - Lenght of the line segment 1:40:37 Question 7a - Venn diagrams 1:42:28 Question 7b - Set notation 1:45:22 Question 7c - Probability 1:48:45 Question 7d - Probability 1:50:56 Question 8a - Area of a triangle 1:51:31 Question 8b - Quadratic formula 1:58:19 Question 9a - Gradient at a point/ Differentiation 2:00:35 Question 9b - Turning points 2:04:42 Question 9c - Cubic graphs 2:06:56 Question 10a - SOH CAH TOA 2:13:10 Question 10b - SOH CAH TOA 2:16:26 Question 10c - Cosine Rule 2:21:35 Question 10d - Trigonometry 2:26:43 Question 10c - Point to a line 2:34:30 Question 11a - Functions 2:35:04 Question 11b - Functions 2:35:58 Question 11c - Functions 2:36:39 Question 11d - Algebraic fractions 2:41:42 Question 11e - Functions 2:44:44 Question 12a - Trig graphs 2:48:10 Question 12b - Solving trig equations