Positive and Negative Numbers

Want to download the Positive and Negative numbers revision notes in PDF format? What are Positive and Negative Numbers? Observe this number line.  What have you noticed?Looking at this number line, you will notice that it consists of numbers with a sign and zero. The sign of a number can be a positive or a …

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Indices

Want to download the Indices revision notes in PDF format? [mathjax] What are Indices? An index is a power of numbers that indicate how many times it has been multiplied by itself. Here are examples indices: \({2^9},{x^3},x^{1/2}\) and others. In \({2^9}\), wherein the small number, 9, above is the index, it indicates that 2 will be …

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Vectors

Want to download the Vectors revision notes in PDF format? [mathjax] What are Vectors? There are two main measures: scalar and vector. Scalar is a quantity that has size but hasn’t direction (for example, time, volume, temperature). Vector is a measure that has length and direction (for example, force, acceleration, velocity). In Picture 1 the …

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Decimal numbers

Want to download the Decimal numbers revision notes in PDF format? [mathjax] What are Decimal Numbers? Decimal numbers are any usual fraction, which can be written as a fraction with the number \(10^{n}\) (n∈N) in the denominator. For example,  \(\frac{5}{100} , \frac{236}{1000} , \frac{389}{100}\) . Decimal numbers are written by using dot or comma. An …

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Fractions

Want to download the Fractions revision notes in PDF format? [mathjax] Ordinary fractions are used for counting the parts of a subject. For example, the amount of juice in the glasses can be described by fractions. In order to write a fraction, you need to know how many parts the whole is divided into and …

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Algebraic Expression

Want to download the Algebraic Expression revision notes in PDF format? What is an Algebraic Expression? In Algebra, we commonly see x, y and others. Why do we use letters? How can we solve it? An algebraic expression is a combination of integer constants, variables, exponents and algebraic operations such as addition, subtraction, multiplication and …

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