Solving Word Problems by Comparing

The video tutorial teaches how to solve word problems by comparing quantities. It begins with a review of place value and introduces bar models as a tool for visualizing problems. The main example involves Ian and Zim's block towers, where students learn to find the difference in block numbers using place value blocks and bar models. The tutorial emphasizes understanding the concept of 'fewer' and 'more' in the context of comparison. By the end, students should be able to solve similar word problems using these methods.

How did Ian and Zim determine the number of blocks in Ian's tower?

What strategies can be used to solve word problems involving comparisons?