Western Local School District

videos with an are Khan Academy videos

Intro to Place Value

Place Value Blocks (vid)*

Practice

Place Value Tables(vid)*

Practice

Finding Place Value(vid)*

Practice

Creating the Largest or Smallest Number(vid)*

Practice

Estimation

Rounding Whole Numbers to the Nearest Hundred(vid)*

Practice

Rounding Whole Numbers to the Nearest Thousand(vid)*

Practice

Rounding Whole Numbers: missing digit(vid)*

Rounding Whole Numbers Word Problems(vid)*

Addition and Subtraction

Addition Using Place Value(vid)*

Practice

Adding Multi-digit Numbers(vid)*

Practice

Multi-digit Subtraction(vid)*

Practice

Subtraction Using Place Value(vid)*

Practice

Converting Units of Length

Converting Feet to Inches(vid)*

Converting Yards to Inches(vid)*

Practice:  Convert to smaller units

Multi-step Unit Conversion Examples(vid)*

Finding Area

Area and Perimeter of a Rectangle (vid)*

Area and Perimeter of a Rectangle (vid)*

Comparing Areas (vid)*

Factors and Multiples

Factors and Multiples*

Finding Factors of a Number (vid)*

Practice

Finding Factors and Multiples (vid)

Practice

Practice

Prime and Composite Numbers

Prime and Composite Numbers Intro*

Prime Numbers (vid)*

Practice

Recognizing Prime and Composite Numbers (vid)*

Practice

Practice