Display Title
Elementary Math Definitions--Addition Subtraction Concepts--Subtraction Expression
Display Title
Subtraction Expression
Topic
Addition and Subtraction
Definition
A subtraction expression is a mathematical phrase that shows the difference between two numbers without an equals sign.
Description
A subtraction expression is a mathematical phrase that involves subtracting one number from another but does not include an equals sign. For example,
7 − 4
is a subtraction expression. These expressions are used to represent differences in a concise manner and are fundamental in understanding arithmetic operations.
In mathematics, subtraction expressions are used to simplify complex problems and make calculations easier. They are also the building blocks for more advanced mathematical concepts, such as algebraic equations and functions. Understanding how to read and write subtraction expressions is crucial for students as it helps them develop problem-solving skills and logical thinking.
In real-world applications, subtraction expressions can be seen in various scenarios, such as calculating change, determining remaining quantities, and more. For example, if you have 7 apples and give away 4, the subtraction expression 7 − 4 represents the remaining number of apples.
Teacher's Script: "Today, we will learn about subtraction expressions. A subtraction expression is a way to show the difference between numbers without saying what the total is. For example, if you see 7 − 4, it means we are taking 4 away from 7. Can you think of other examples of subtraction expressions?"
For a complete collection of terms related to Addition and Subtraction click on this link: Addition and Subtraction Collection
Common Core Standards | CCSS.MATH.CONTENT.1.OA.B.3, CCSS.MATH.CONTENT.2.NBT.B.9 |
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Grade Range | 1 - 3 |
Curriculum Nodes |
Arithmetic • Addition • Addition Expressions and Equations |
Copyright Year | 2021 |
Keywords | addition, subtraction, equation, place value |