Lesson 1A: Arithmetic Basics

Learn fundamental arithmetic operations with visual step-by-step demonstrations and practice problems.

Arithmetic Operators

Watch this interactive video demonstrating addition, subtraction, multiplication, and division operations with live examples.

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Understanding Arithmetic Fundamentals

Basic Operations

  • 1

    Addition/Subtraction: 347 + 492 = 839

  • 2

    Multiplication: 17 × 38 = 646

  • 3

    Division: 872 ÷ 4 = 218

Order of Operations

3 × (4 + 5) = 3 × 9 = 27

Always solve within parentheses first, then multiplication/division.

Interactive Practice

Operation Selector

Change operands in the visualizer and see real-time solutions for addition, multiplication, and other operations.

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Try It Yourself

Problem Set A

Problem Set B