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  • CCSS.Math.Content.4.G.A.2
Finding an Unknown Angle
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Finding an Unknown Angle
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The purpose of this task is to give 4th grade students a problem involving an unknown quantity that has a clear visual representation. Students must understand that the four interior angles of a rectangle are all right angles and that right angles have a measure of 90_ and that angle measure is additive.

Subject:
Mathematics
Geometry
Measurement and Data
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
10/12/2012
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Who Has? Multiplication Activities
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Who Has? Multiplication Activities
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Once students have developed conceptual understanding of the basic operations they need to develop fluency with the facts. One quick way to include daily practice and motivate students to master these basic facts is through the use of the Who Has? card decks. These decks can be created for virtually any topic and frequent use as both a whole class practice or as a center activity for partners or small groups will provide facts practice in a highly-motivating format.

Material Type:
Activity/Lab
Assessment
Game
Lesson Plan
Provider:
Mathwire
Author:
Terry Kawas
Date Added:
02/16/2011
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Acute triangle
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Acute triangle
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An interactive applet and associated web page that demonstrate the three types of triangle: acute, obtuse and right. The applet shows a triangle that is initially acute (all angles less then 90 degrees) which the user can reshape by dragging any vertex. There is a message changes in real time while the triangle is being dragged that tells if the triangle is an acute, right or obtuse triangle and gives the reason why. By experimenting with the triangle student can develop an intuitive sense of the difference between these three classes of triangle. 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
Material Type:
Reading
Simulation
Provider:
Math Open Reference
Author:
John Page
Date Added:
02/16/2011
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Arts Lessons in the Classroom: Visual Art Curriculum - Grade 4
Arts Lessons in the Classroom: Visual Art Curriculum - Grade 4
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Building traditional skills in drawing and painting is emphasized through study of proportion, value, color mixing, and space. Principles of balance and unity in 2-D and 3-D are explored through constructing tactile collages and paper sculptures. In literacy infused lessons, students connect word choice, detail, narrative and figurative language with images.

The K-6 lesson handbooks were originally produced for the Lake Washington School District with grants from 4culture and ArtsWA. Encourage your colleagues, other schools, and organizations to use these materials for non-commercial, educational purposes at no cost by downloading their own copy at: http://artsedwashington.org/portfolio-items/alic-2

Subject:
Visual Arts
Material Type:
Lesson
Lesson Plan
Module
Unit of Study
Author:
Washington ArtsEd
Date Added:
09/11/2020
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4.G Are these right?
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4.G Are these right?
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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: Which of the polygons are right triangles? Choose a measuring tool to help you determine this. These are right trianglesThese are not right triangles F...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
03/29/2013
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Grade 4 Module 4: Angle Measure and Plane Figures
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Grade 4 Module 4: Angle Measure and Plane Figures
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This 20-day module introduces points, lines, line segments, rays, and angles, as well as the relationships between them. Students construct, recognize, and define these geometric objects before using their new knowledge and understanding to classify figures and solve problems. With angle measure playing a key role in their work throughout the module, students learn how to create and measure angles, as well as create and solve equations to find unknown angle measures. In these problems, where the unknown angle is represented by a letter, students explore both measuring the unknown angle with a protractor and reasoning through the solving of an equation. Through decomposition and composition activities as well as an exploration of symmetry, students recognize specific attributes present in two-dimensional figures. They further develop their understanding of these attributes as they classify two-dimensional figures based on them.

Subject:
Geometry
Material Type:
Module
Provider:
New York State Education Department
Provider Set:
EngageNY
Date Added:
10/20/2013
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4.G What is a Trapezoid? (Part 1)
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4.G What is a Trapezoid? (Part 1)
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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: Say what a trapezoid is in your own words. Compare your definition with a partner. Is this parallelogram a trapezoid according to your definition? Expl...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/20/2013
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4.G Defining Attributes of Rectangles and Parallelograms
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4.G Defining Attributes of Rectangles and Parallelograms
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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: Look at each figure. Read each of the descriptions. Place an X in the box if it appears to describe the figure pictured. A. B. C. D. 4 vertices Four si...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
03/30/2014
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4.G What shape am I?
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4.G What shape am I?
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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: Draw at least two examples and two non-examples of each of the quadrilaterals defined below. Parallelogram: A quadrilateral with 2 pairs of parallel si...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/16/2013
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What is a Constellation?
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What is a Constellation?
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Students investigate three-dimensional objects. They compare what constellations look like when seen from different angles. They make a model of a constellation and look at it from different sides to discover that the relative position of the stars changes depending on our perspective. They understand that stars are not located on the same plane and or the same distance.

Subject:
Mathematics
Physical Science
Material Type:
Activity/Lab
Lesson Plan
Provider:
International Astronomical Union
Provider Set:
astroEDU
Date Added:
01/01/2016
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