Display Title
Math Video Definition 30--Addition and Subtraction Concepts--Number Line
Display Title
Math Video Definition 30--Addition and Subtraction Concepts--Number Line
Topic
Addition and Subtraction
Description
A Number Line is a visual tool used for adding or subtracting numbers. In the example, 2 + 5 = 7 is represented by moving 5 steps forward on the number line starting from 2. Using a number line strengthens understanding of addition and subtraction as movements along a continuum.
Relevance to Topic: This video provides an in-depth explanation of key concepts in Addition and Subtraction, using clear examples to illuminate mathematical operations and their significance. Understanding this concept helps students build their numerical reasoning and apply it to various real-world problems.
Teacher's Script: "Today, we are diving into an important concept in mathematics that involves a number line is a visual tool used for adding or subtracting numbers. In the example, 2 + 5 = 7 is represented by moving 5 steps forward on the number line starting from 2. Using a number line strengthens understanding of addition and subtraction as movements along a continuum. This video will guide us through examples and strategies to master this idea, which is fundamental for understanding addition and subtraction. Let's focus on how these concepts are applied and prepare to engage with the examples shown."
For a complete collection of videos related to Addition and Subtraction, click on this link: Math Video Definitions: 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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Duration | 1 minutes |
Grade Range | 1 - 3 |
Curriculum Nodes |
Arithmetic • Addition • Addition Expressions and Equations |
Copyright Year | 2024 |
Keywords | addition, subtraction, equation, place value |