## » New & Popular in Math

### Vacation.docx

#### Solving Real World Problems Involving Decimals

Big Idea:
Decimals Involved in Problems to Solve: Problem solving with decimals

### A Remainder of One

Big Idea:
Students gain experience with what a remainder is and model division situations with arrays.

### Adjustments to the Introduction

This introduction to the lesson is presented in a direct instruction way. As I have started shifting to a more student led approach I have made some minor tweaks to how the examples begin. Instead of telling students how to solve the problem while modeling it, I let them work on the problem by themselves. After they have attempted to solve the problem on their own we can return to the given steps and see if they match the process used.

#### Area of Composite Shapes

### Constructing Viable Arguments

Big Idea:
In this lesson, students will engage with Mathematical Practice 3 by investigating how to best arrange trapezoidal desks in a classroom.

### Subtracting Across Zeros

Big Idea:
Students use place value blocks to accurately subtract across zeros.

### fourth grade fluency practice dip.mp4

#### Dividing with Place Value Chart - Decomposing Tens

Big Idea:
In this lesson, students deepen their understanding of division by using an equal distribution method of dividing with a place value chart.

### Improper Fractions and Mixed Numbers

Big Idea:
Students convert improper fractions and mixed numbers.

### Persistence

#### The Skyscraper Problem

Big Idea:
Students investigate the cost to wash the windows of a skyscraper.