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.

What is the purpose of using a bar model in solving word problems?

• To make the problem more complex

• To add more numbers to the problem

• To visually represent the parts of a whole

• To confuse the solver

In the word problem, how many blocks does Zim's tower have?

• 15 blocks

• 19 blocks

• 13 blocks

• 6 blocks

What does 'fewer' mean in the context of the word problem?

• Equal

• More

• Less

• Same

How can you find the difference between Ian's and Zim's towers using place value blocks?

• By multiplying 19 by 6

• By dividing 19 by 6

• By subtracting 6 from 19

• By adding 19 and 6

Which method did Ian use to find out how many blocks his tower has?

• Using a calculator

• Using a bar model

• Using place value blocks

• Guessing