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: Historians estimate that there were about 7 million people on the earth in 4,000 BCE. Now there are about 7 billion! We write 7 million as 7,000,000. W...

This parent guide supports parents in helping their child at home with the 4th grade Math content.

This resource accompanies our Rethink 4th Grade Math course. It includes ideas for use, ways to support exceptional children, ways to extend learning, digital resources and tools, tips for supporting English Language Learners and students with visual and hearing impairments. There are also ideas for offline learning. 

The Common Core State Standards (CCSS) videos are designed to support states, schools, and teachers in the implementation of selected math standards. Each video is an audiovisual resource that focuses on one or more specific standards through examples and illustrations geared to enhancing understanding. The intent of each content-focused video is to clarify the meaning of the individual standard rather than to be a guide on how to teach each standard, although the examples can be adapted for instructional use.

This is one possible method for using the area model for division.

With this division strategy, students divide by breaking the dividend into its expanded form. Then, students use familiar multiplication facts to divide. It is suggested that this would be the first of three strategies for division (preceding partial quotients and the standard algorithm.

In this video, a student explains how to use the area model for multiplication. The area model is a multiplication strategy based on decomposing numbers basedon place value.

This lesson is for Grades 4-5 math. At Home Learning Lessons are a partnership between the North Carolina Department of Public Instruction, PBS North Carolina, and the William and Ida Friday Institute for Educational Innovation. Each lesson contains a video instructional lesson, a PDF lesson plan with a transcript, and a PDF file of extension activities.  

This activity focuses on the importance of using mathematics to find deals when grocery shopping.  Students will analyze data from local grocery store advertisements and determine the best deals by using multiple strategies.  This task will also require students to find and compare unit rates, which connects the fourth grade concepts of solving problems involving money and using place value understanding to do arithmetic to the sixth grade standard of determining a unit rate.  Once students find which store offers the best deal, they will create a public service announcement teaching others how to find the best deals when grocery shopping. This public service announcement is an opportunity to use precise mathematical language and construct viable arguments.  This lesson was developed by NCDPI as part of the Academically and/or Intellectually Gifted Instructional Resources Project. This lesson plan has been vetted at the state level for standards alignment, AIG focus, and content accuracy.

In this activity, students will work in small groups to change a chocolate chip cookie recipe that feeds 10 to one that feeds 100. Then students will change it again to feed 2000.

This video was created by NCDPI. This video examines best practices and research related to developing computational fluency. Teaching strategies and tips are provided.

This resource will have you make a clone of a Go Formative document. This is a free website where teachers and students can interact digitally.

This project creates a classroom tool that can be used throughout the year. Color-coded strips of paper represent ones, tens, hundreds, and all the way up to millions.

This short video and interactive assessment activity is designed to teach fourth graders about number patterns based on the multiplication table.

Students spin two numbers and write a multiplication sentence, using the doubling and halving strategy to compute the product.

This short video and interactive assessment activity is designed to teach fourth graders about finding the expression not matching a given number.

This resource provides an overview and background information about multiplication fact fluency. This is not remixable.

This resource has examples of tasks that can be used for the Launch-Explore-Discuss sequence in Grade 4 Cluster 4. This is remixable.

In this lesson, students demonstrate understanding of area and perimeter formulas by solving multi-step real world problems.