Two-Step Word Problem Solving with Number Lines

This video tutorial teaches how to solve two-step word problems using a number line. It begins with an example involving Jeremiah's paper, demonstrating the use of a ruler as a number line to perform addition and subtraction. The tutorial highlights common misunderstandings, emphasizing the importance of sequential operations. Another example with Kim's popcorn problem further illustrates the concept. The lesson concludes by reinforcing the method of solving two-step problems with a number line.

What steps should be taken to solve the problem about Kim's popcorn?

Describe how to use a number line to solve the equation related to Kim's popcorn.

How many kernels did Kim have left after eating 13 and her friend Kaitlyn eating 28?