This resource includes tasks aligned to 4.G.1.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Lesson Plan
- Author:
- Drew Polly
- Date Added:
- 07/25/2020

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Conditional Remix & Share Permitted

CC BY-NC-SA
This resource includes tasks aligned to 4.G.1.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Lesson Plan
- Author:
- Drew Polly
- Date Added:
- 07/25/2020

Unrestricted Use

CC BY
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: Letters can be thought of as geometric figures. How many line segments are needed to make the letter A? How many angles are there? Are they acute, obtu...

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Provider:
- Illustrative Mathematics
- Provider Set:
- Illustrative Mathematics
- Author:
- Illustrative Mathematics
- Date Added:
- 05/18/2013

Unrestricted Use

CC BY
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 students in Ms. Sun's class were drawing geometric figures. First she asked them to draw some points, and then she asked them to draw all the line ...

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Provider:
- Illustrative Mathematics
- Provider Set:
- Illustrative Mathematics
- Author:
- Illustrative Mathematics
- Date Added:
- 05/22/2013

Conditional Remix & Share Permitted

CC BY-NC-SA
This parent guide supports parents in helping their child at home with the 4th grade Math content.

- Subject:
- Mathematics
- Material Type:
- Reference Material
- Vocabulary
- Author:
- Kelly Rawlston
- Letoria Lewis
- Date Added:
- 02/13/2023

Conditional Remix & Share Permitted

CC BY-NC-SA
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.

- Subject:
- Mathematics
- Material Type:
- Curriculum
- Lesson Plan
- Teaching/Learning Strategy
- Author:
- Kelly Rawlston
- Letoria Lewis
- Date Added:
- 02/13/2023

Unrestricted Use

CC BY
Students will construct a tower as high as possible using spaghetti, lasagna noodles and marshmallows. Limited supplies of materials are available. Pieces of spaghetti can be broken into desired lengths.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Author:
- William Allred
- Carrie Robledo
- Date Added:
- 04/30/2020

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An interactive applet and associated web page that demonstrate acute angles (those less than 90 deg). The applet presents an angle (initially acute) that the user can adjust by dragging the end points of the line segments forming the angle. As it changes it shows the angle measure and a message that indicate which type of angle it is. There a software 'detents' that make it easy capture exact angles such as 90 degrees and 180 degrees The message and angle measures can be turned off to facilitate classroom discussion. The text on the page has links to other pages defining each angle type in depth. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

- Subject:
- Geometry
- Mathematics
- Material Type:
- Reading
- Simulation
- Provider:
- Math Open Reference
- Author:
- John Page
- Date Added:
- 05/07/2019

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Students work with a partner and sit opposite one another with a divider between them. Each student takes turns drawing and labeling angles in each space on their grids and give instructions to their partner on how to draw the angles to match the ones on his/her grid. Students use positional language to describe where to place the angles.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Provider:
- K-5 Math Teaching Resources
- Author:
- K-5 Math Teaching Resources
- Date Added:
- 02/26/2019

Conditional Remix & Share Permitted

CC BY-NC-SA
This short video and interactive assessment activity is designed to give fourth graders an overview of classification of angles.

- Subject:
- Mathematics
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 06/06/2019

Conditional Remix & Share Permitted

CC BY-NC-SA
This short video and interactive assessment activity is designed to give fourth graders an overview of angles.

- Subject:
- Mathematics
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 06/06/2019

Read the Fine Print

An interactive applet and associated web page that show how to construct a 30 degrees angle with a compass and straightedge. The animation can be single-stepped or run as a continuous movie. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

- Subject:
- Geometry
- Mathematics
- Material Type:
- Reading
- Simulation
- Provider:
- Math Open Reference
- Author:
- John Page
- Date Added:
- 05/07/2019

Read the Fine Print

An interactive applet and associated web page that show how to construct a 45 degrees angle with a compass and straightedge. The animation can be single-stepped or run as a continuous movie. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

- Subject:
- Geometry
- Mathematics
- Material Type:
- Reading
- Simulation
- Provider:
- Math Open Reference
- Author:
- John Page
- Date Added:
- 05/07/2019

Read the Fine Print

An interactive applet and associated web page that show how to construct a 60 degrees angle with a compass and straightedge. The animation can be single-stepped or run as a continuous movie. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

- Subject:
- Geometry
- Mathematics
- Material Type:
- Reading
- Simulation
- Provider:
- Math Open Reference
- Author:
- John Page
- Date Added:
- 05/07/2019

Conditional Remix & Share Permitted

CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fifth graders about counting the number of perpendicular lines.

- Subject:
- Mathematics
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 06/06/2019

Conditional Remix & Share Permitted

CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fifth graders about determining unknown angles within rectangles and squares.

- Subject:
- Mathematics
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 06/06/2019

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Educational Use
Students learn how engineers construct buildings to withstand damage from earthquakes by building their own structures with toothpicks and marshmallows. Students test how earthquake-proof their buildings are by testing them on an earthquake simulated in a pan of Jell-O(TM).

- Subject:
- Applied Science
- Engineering
- Material Type:
- Activity/Lab
- Provider:
- TeachEngineering
- Provider Set:
- TeachEngineering
- Author:
- Janet Yowell
- Jessica Todd
- Malinda Schaefer Zarske
- Melissa Straten
- Date Added:
- 10/14/2015

Conditional Remix & Share Permitted

CC BY-NC-SA
CK-12's Elementary Math Grade 3 is a series of videos and interactive videos designed to teach basic math concepts to 3rd graders. Concepts covered include Addition and Subtraction, Multiplication, Division, Place Value, Decimals, Time, Factors and Multiples, Money, Measurement, and Geometry.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 06/06/2019

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Students explore line symmetry and the names and attributes of two-dimensional mathematical shapes.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Provider:
- New Zealand Government
- Author:
- New Zealand Government
- Date Added:
- 02/26/2019

Conditional Remix & Share Permitted

CC BY-NC-SA
In this lesson students explore lines and angles in the context of a scavenger hunt.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Lesson Plan
- Author:
- Drew Polly
- Date Added:
- 07/25/2020

Conditional Remix & Share Permitted

CC BY-NC-SA
In this lesson students explore lines and angles in the context of North Carolina.

- Subject:
- Mathematics
- Material Type:
- Activity/Lab
- Lesson Plan
- Author:
- Drew Polly
- Date Added:
- 07/25/2020