This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: The 20 students in Mr. Wolf's 4th grade class are playing a game in a hallway that is lined with 20 lockers in a row. The first student starts with the...

In this lesson, students write and evaluate algebraic expressions at specific values. They will also use variables to represent numbers and write expressions when solving a real-world or mathematical problem.

This short video and interactive assessment activity is designed to teach third graders about finding least common multiples (lcm).

This document contains a few questions that you can use as you are checking for understanding of factors, multiples, and prime numbers in you class.

This short video and interactive assessment activity is designed to teach third graders about identifying the multiples of a given number.

This short video and interactive assessment activity is designed to teach third graders about listing all factors.

This document provides an overview of the content and strategies for Grade 4, Cluster 2. It was written by the authors of the NC2ML Instructional Frameworks. The document should be used to support planning for Grade 4, Cluster 2. This document cannot be revised since it was written by the authors of the Instructional Frameworks.

This short video and interactive assessment activity is designed to teach third graders about prime factorization.

In this Cyberchase activity, students begin by using manipulatives to share objects among different sized groups. After watching a video clip that demonstrates dealing out rounds (or sets) of objects to solve a problem, the students work on a few division problems on their own. A second video clip demonstrates how to solve such problems using numbers. With the handout, students learn to write these problems as multiplication and division facts.

This lesson is from Tools 4 NC Teachers. In this lesson students find the area of rectangles with single-digit dimensions by using various strategies including multiplying the length by the width.

The Tools for NC Teachers lesson provides a context for students to explore factors and multiples. This is remixable.

This lesson is Tools for NC Teachers. In this lesson, students will skip count and place colored sticky dots on a number line to 144 in order to explore factors, multiples, and prime and composite numbers. This is remixable.

This task comes from Tools for NC Teachers. Students explore a task in which the concepts of factors and multiples are embedded. This is remixable.

This task is from Tools for NC Teachers. Students look at various ways to tile a patio using a given number of square tiles. This is remixable.

This lesson is from Tools4NCTeachers. In this lesson, students interact with a read aloud and apply their knowledge of factors, multiples, and arrays to solve division problems. Students will be introduced to remainders. This is remixable.