Inequalities - KS3 Maths - BBC Bitesize (2024)

FAQs

What are inequalities in maths BBC bitesize? ›

Inequalities are the relationships between two expressions which are not equal to one another. The symbols used for inequalities are <, >, ≤, ≥. reads as '7 is greater than ' (or ' is less than 7', reading from right to left). x ≤ − 4 reads as ' is less than or equal to -4' or '-4 is greater than or equal to '.

Inequalities are used to describe the relationship between expressions that are not equal. They can be presented algebraically, in words, or on a number line. The two sides in an equation. The expressions are linked with the symbol = are equal.

The different types of inequalities in Maths are polynomial inequality, rational inequality, absolute value inequality.

When we look at inequalities, we are looking at two expressions that are “inequal” or unequal to each other, as the name suggests. This means that one equation will be larger than the other. The four basic inequalities are: less than, greater than, less than or equal to, and greater than or equal to.

Inequalities are a comparison between two numbers, values, or expressions. One of the quantities may be less than, greater than, less than or equal to, or greater than or equal to the other things.

Rules. Inequalities follow many of the same rules as normal equations: Adding or subtracting the same quantity from both sides leaves the inequality symbol unchanged. Multiplying or dividing by a positive number on both sides leaves the inequality symbol unchanged.

Inequalities are mathematical expressions involving the symbols >, <, ≥ and ≤. To 'solve' an inequality means to find a range, or ranges, of values that an unknown x can take and still satisfy the inequality. In this unit inequalities are solved by using algebra and by using graphs.

The letter (Z) is the symbol used to represent integers. An integer can be 0, a positive number to infinity, or a negative number to negative infinity. The integers (Z): . . . -3, -2, -1, 0, 1, 2, 3 . . .

Inequality—the state of not being equal, especially in status, rights, and opportunities1—is a concept very much at the heart of social justice theories. However, it is prone to confusion in public debate as it tends to mean different things to different people.

What are the 4 types of inequality? ›

There are five systems or types of social inequality: wealth inequality, treatment and responsibility inequality, political inequality, life inequality, and membership inequality. Political inequality is the difference brought about by the ability to access governmental resources which therefore have no civic equality.

UNDP Pakistan hosts Pakistan Inequality Debate series on its Pakistan National Human Development Report (NHDR) 2020: The Three Ps of Inequality: Power, People, and Policy.

Equations and inequalities are both mathematical sentences formed by relating two expressions to each other. In an equation, the two expressions are deemed equal which is shown by the symbol =. Where as in an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

The five inequality symbols are greater than symbol (>), less than symbol (<), greater than or equal to a symbol (≥), less than or equal to a symbol (≤), and not equal to a symbol (≠).

Inequality—the state of not being equal, especially in status, rights, and opportunities1—is a concept very much at the heart of social justice theories. However, it is prone to confusion in public debate as it tends to mean different things to different people. Some distinctions are common though.

Inequalities are number sentences in which we compare two numbers. When we write inequalities we use the greater-than symbol (>) and the less-than symbol (<). Sometimes we use variables, or unknown amounts, when we write inequalities.

There are five systems or types of social inequality: wealth inequality, treatment and responsibility inequality, political inequality, life inequality, and membership inequality.

An inequality is a statement that shows the relationship between two (or more) expressions with one of the following five signs: <, ≤, >, ≥, ≠. Like an equation, an inequality can be true or false. 34 - 12 > 5 + 2 is a true statement. 1 + 3 < 6 - 2 is a false statement.