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.

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

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