Numbers And Operations: Math Terms Explained

Plain-language definitions of every numbers and operations term your child meets in school, each with kid-friendly explanations, worked examples, and common mistakes to watch for.

Number line

A number line is a straight line with numbers placed in order along it, with arrows showing that the numbers keep going.

Number patterns

Number patterns are sequences of numbers that follow a clear rule, such as adding the same amount each time, multiplying by the same number, or repeating in a regular cycle.

Every term here links to practice activities. Create an account to get started with your child.

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