MATHS27 CXC CSEC MATHEMATICS MAYJUNE 2019 PAPER 1

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CXC CSEC Mathematics ~ 15 May 2019 Paper 1 ~ Q A Timestamps: • 01 ~ sum of squares of negative numbers ~ Q A 0:15 • 02 ~ mixed fraction addition ~ Q A 0:30 • 03 ~ division with decimals ~ Q A 0:45 • 04 ~ x percent is y ~ Q A 1:00 • 05 ~ percent marks scored ~ Q A 1:15 • 06 ~ square root estimation ~ Q A 1:30 • 07 ~ finite set of numbers defined ~ Q A 1:45 • 08 ~ number of subsets, the power set ~ Q A 2:00 • 09 ~ Venn diagram ~ Q A 2:15 • 10 ~ given three sets which pair of intersections is empty ~ Q A 2:30 • 11 ~ intersection of three sets ~ Q A 2:45 • 12 ~ Venn diagram, shaded region ~ Q A 2:55 • 13 ~ currency conversion ~ Q A 3:10 • 14 ~ simple interest ~ Q A 3:25 • 15 ~ discount price on a dress ~ Q A 3:40 • 16 ~ tax on land ~ Q A 3:55 • 17 ~ depreciation on car's value ~ Q A 4:10 • 18 ~ interest on loan ~ Q A 4:25 • 19 ~ tax and dinner bill total ~ Q A 4:40 • 20 ~ original cost on 2 books on sale ~ Q A 4:55 • 21 ~ sum of fractions with unlike denominators ~ Q A 5:10 • 22 ~ write a math statement with given information ~ Q A 5:25 • 23 ~ two variable ratio ~ Q A 5:40 • 24 ~ inequality ~ Q A 5:55 • 25 ~ sum and difference of two positive numbers ~ Q A 6:10 • 26 ~ multiplication with bases, coefficients, exponents ~ Q A 6:20 • 27 ~ conformable matrices ~ Q A 6:35 • 28 ~ determinant of identity matrix ~ Q A 6:50 • 29 ~ column vector subtraction ~ Q A 7:05 • 30 ~ vectors with a rectangular diagram ~ Q A 7:20 • 31 ~ units conversion with millimeters ~ Q A 7:35 • 32 ~ sector of a circle ~ Q A 7:50 • 33 ~ volume of a cube ~ Q A 8:05 • 34 ~ perimeter of a square ~ Q A 8:20 • 35 ~ area of a trapezium ~ Q A 8:35 • 36 ~ area of a rectangle ~ Q A 8:50 • 37 ~ circumference and arc length ~ Q A 9:05 • 38 ~ area of a triangle ~ Q A 9:20 • 39 ~ histogram and modal age ~ Q A 9:35 • 40 ~ cumulative frequency curve and median mark ~ Q A 9:50 • 41 ~ cf and iqr, interquartile range ~ Q A 10:05 • 42 ~ cumulative frequency curve and passing mark ~ Q A 10:20 • 43 ~ range ~ Q A 10:35 • 44 ~ probability ~ Q A 10:50 • 45 ~ graph of a function ~ Q A 11:05 • 46 ~ f(x) value at a fixed point ~ Q A 11:20 • 47 ~ straight line cuts an axis ~ Q A 11:35 • 48 ~ equation of straight line given a point and the gradient ~ Q A 11:50 • 49 ~ range, domain ~ Q A 12:05 • 50 ~ where a parabola intersects y = 0 ~ Q A 12:20 ~ See note in comments • 51 ~ coordinates of turning point of a parabola ~ Q A 12:30 ~ See note in comments • 52 ~ perpendicular lines ~ Q A 12:45 • 53 ~ transformation ~ Q A 13:00 • 54 ~ isosceles triangle angles ~ Q A 13:15 • 55 ~ transversal and two parallel lines ~ Q A 13:30 • 56 ~ similar triangles ~ Q A 13:45 • 57 ~ translation vector ~ Q A 14:00 • 58 ~ enlargement ~ Q A 14:15 • 59 ~ plane and bearing ~ Q A 14:30 • 60 ~ trigonometry and angle of depression ~ Q A 14:45 • My CSEC Maths January Playlist: • • CXC CSEC Mathematics January Paper1s • My CSEC Maths May/June, One July Playlist: • • CXC CSEC Mathematics May/June Paper1s • All CSEC Maths Vids ~ Highest Revised Versions ~ Listed Chronologically: • • CXC/CSEC Mathematics Paper1s

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