Using an Open Number Line to Solve Addition Math Story Problems

This lesson teaches how to solve addition story problems using an open number line. It begins with a review of number lines and their units, followed by a step-by-step solution of 14 + 67. Common misunderstandings are addressed, and the problem is revisited to reinforce learning. A story problem about distance is solved using the same method, concluding with a summary of the lesson.

Explain the importance of using the greatest addend first when solving addition problems on an open number line.

What is the final answer when adding 35 and 48 using an open number line?