Addition And Subtraction: Math Terms Explained

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

Number bond

A number bond is a picture that shows how two or more parts fit together to make a whole number, helping children see and understand addition and subtraction relationships.

Number sentence

A number sentence is a math statement that uses numbers, operation symbols (like +, -, ×, ÷), and an equal or comparison sign to show that something is true or to be solved.

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