A free service for South African school students struggling with mathematics.
Give more than you can afford. Take less than you need. Leave every situation better than you found it.
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Proportionality
Read more: ProportionalitySeeing why the sides of similar triangles are proportional to each other.
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Negative numbers (Part 3)
Read more: Negative numbers (Part 3)Multiplying and dividing a mix of poistive and negative numbers.
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Negative numbers (Part 2)
Read more: Negative numbers (Part 2)The confusion between the PLUS calculation and POSITIVE NUMBERS, and between the MINUS calculation and…
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Volume and capacity
Read more: Volume and capacityIn everyday usage, volume and capacity ares used to mean the same thing, but in…
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Modulus
Read more: ModulusThe “absolute” value of a number is also known as the “modulus” of that number.
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A logic principle
Read more: A logic principleOne of the principles of logic often used in mathematics.
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Inverse operations
Read more: Inverse operationsOperations used in calculations exist in related pairs called “inverse operations” of each other.
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Distributive property
Read more: Distributive propertyA visual explanation of the the distributive property
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