## Midpoint Formula

This lessons investigates the midpoint formula and how to remember it....

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This lessons investigates the midpoint formula and how to remember it....

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This video explains how to find the name/equation of a straight line given two coordinates....

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This video explains how to draw a straight line very quickly, using the gradient form of the line y = mx + b....

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We use trigonometry to find the exact value of angles that are larger than 90 degrees. Need to learn about the exact ratio triangles? Go here for part 1: http://youtu.be/PKw9giTuXiw...

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In this video we investigate the relationship between complementary angles in right angle triangles and their use in trigonometry....

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In the second video we use the two triangles found in video 1 to answer some questions using exact ratios. Video 1: http://youtu.be/PKw9giTuXiw...

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In the first video we learn how to find exact ratios using two triangles. In video 2 we answer questions using these exact ratios. Video 2: http://youtu.be/CdgRE8ONzhQ...

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This video explores the use of inverse trigonometric ratios and has a little tip on how to easily remember them....

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Two different methods at solving linear equations. Video 2 of 2. The first video is located here: http://youtu.be/yTWsTnTf_RA...

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Two different methods at solving linear equations. Video 1 of 2. Video two located here: http://youtu.be/bauZYVWJMBU...

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Quick examples on how to add and subtract some algebraic fractions with different denominators....

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Quick examples on how we multiply and divide two algebraic fractions together....

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How to make a box (and whiskers) plot from a five point summary. Also looks at classifying outliers and marking them on the plot. Video 1: https://youtu.be/X6XfDY1S0ww...

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How to create a Five (5) Number Summary and find the interquartile range. Video 2: https://youtu.be/8qzJ-mPuLGs...

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Using indices/exponents and surds to solve exponential equations....

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This video explains how to work with indices (exponents/powers) that are fractions....

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This lesson teaches how to write numbers using significant figures and also revisits scientific notation, which is also explained here: http://youtu.be/zJgSaXoo7Zc...

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Explains scientific notation...

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Looking at negative powers with examples and explanations....

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Adding fractions where you must first rationalise the denominators....

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The index laws (powers/exponents). Multiplying and dividing with powers. Finding powers of powers as well as the zero index....

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Explains how to rationalise the denominator (the bottom number) when a fraction contains a surd/radical. Also looks at the use of conjugates....

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Expanding binomial products containing surds, including perfect squares and the difference of two squares....

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Multiplying and dividing surds with coefficients (numbers on front) as well as looking at the distributive law to expand surds with brackets....

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Part 2 of Surds - Adding and Subtracting surds as well as solving surds with fractions....

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This video introduces the multiplication, division and simplification of surds (radicals)....

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A simple way to convert recurring decimals to fractions. An explanation of how to use this process quickly is given at the 12 minute mark....

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In this video we find the surface area of a pyramid. To do this we start by using Pythagoras to find the slant height....

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Quickly covers the use Pythagoras and calculator use....

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This video shows how to create the surface area formula and then goes through one example....

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Converting from one area to another. Also includes hectares....

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Using two applications of Pythagoras theorem to find a distance in a 3-dimensional space....

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Using Pythagoras to find out if the triangle is a right angled triangle....

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Finding the short side of a right angled triangle using Pythagoras Theorem....

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