Determine a Subtraction Problem Modeled on a Number Line

This video explains how to write an subtraction equation from a number line model.

Subtract Whole Numbers using Number Lines

This video explains how to subtract whole numbers using a number line.

Subtract Whole Numbers using Models (Basic)

The video explains how to subtract whole numbers by combining 2 sets of objected

Use Patterns to Determine an Addition Equation

This video explains how to use an addition pattern to determine a missing addition equation.

Determine an Addition Problem Modeled on a Number Line

This video explains how to write an addition equation from a number line model.

Add Whole Numbers using Number Lines

This video explains how to add whole numbers using a number line.

Add Whole Numbers using Models (Basic)

The video explains how to add whole numbers by combining 2 sets of objected.