CK-12 Foundation
Ck 12: Elem Math: Determining Unknown Angles Within Rectangles and Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to determine missing angles within rectangles and squares.
Better Lesson
Better Lesson: Partitioning Rectangles and Squares
This site provides six practice activities to learn how to partition a rectangle into rows and columns of same-size squares and count to find the total number of them.
CK-12 Foundation
Ck 12: Elem Math: Perimeter of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on finding the perimeter of rectangles and squares.
Khan Academy
Khan Academy: Area of Rectangles
Find area of rectangles and squares by multiplying side lengths. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Wolfram Research
Wolfram Math World: Rectangle
MathWorld provides the definition of a rectangle and the area formula of a rectangle.
CK-12 Foundation
Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles
[Free Registration/Login may be required to access all resource tools.] Students practice classifying various two dimensional shapes as rectangles, squares, circles or triangles.
CK-12 Foundation
Ck 12: Elem Math: Classify Objects as Rectangles, Squares, Circles, or Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on classifying rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Elem Math: Identifying Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying rectangles, squares, circles and triangles.
National Council of Teachers of Mathematics
Nctm: Illuminations: Igd: Area of a Rectangle
Use this interactive tool to learn how to find the area of a rectangle. Click on "Instructions" for details on how to use this tool. Click on "Explore" for more ideas.
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Rectangles
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find the area and perimeter of rectangles and squares. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Elem Math: Identifying Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] The video briefly shows and describes a triangle, circle, rectangle, and square and uses process of elimination to determine the given shape. The video is followed...
Quia
Ixl Learning: Area of Rectangles
Brush up on your math skills relating to the area of rectangles then try some practice problems to test your understanding.
CK-12 Foundation
Ck 12: Elem Math: Area and Perimeter of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on the area and perimeter of rectanlges and squares.
CK-12 Foundation
Ck 12: Appropriate Tools for Measurement of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Choose appropriate tools and units for given measurement situations involving squares and rectangles.
CK-12 Foundation
Ck 12: Elem Math: Partitioning Composite Figures Into Rectangles to Find Area 1
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to partition a shape into rectangles and add their areas together to get the area of the whole figure. Includes video...
Quia
Ixl Learning: Rectangles
Brush up on your math skills relating to rectangles then try some practice problems to test your understanding.
CK-12 Foundation
Ck 12: Elem Math: Given the Perimeter Find the Side Length and Area Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square when given the perimeter. CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems...
CK-12 Foundation
Ck 12: Elem Math: Given the Area Find the Side Length and Perimeter Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to find the perimeter and side length of a square when given the area of a square....
Amby Duncan-Carr
Amby's Math Resources: Finding the Area of a Rectangle
The tutorial investigates area and how it is the total number of square tiles covered. Examples and practice problems are included.
CPALMS
Cpalms: Area of Rectangles: A More Efficient Way?
[Free Registration/Login Required] In this lesson, students will connect the concepts of counting each square unit and multiplying the side lengths to compute the area of a rectangle. They will extend this knowledge by computing a side...
McGraw Hill
Glencoe: Self Check Quizzes 1 Geometry Area of Rectangles
Use Glencoe's randomly generated self-checking quiz to test your knowledge of finding the area of rectangles. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check...
Khan Academy
Khan Academy: Quadrilateral Types
Identify quadrilaterals based on pictures or attributes. Quadrilaterals included are parallelograms, rhombuses, rectangles, and squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
CK-12 Foundation
Ck 12: Elem Math: Unknown Dimensions of Squares and Rectangles (Grade 3)
[Free Registration/Login may be required to access all resource tools.] This learning module features five videos and a set of practice questions in which students learn to compute linear measures, given edge or surface measures of...
Khan Academy
Khan Academy: Create Rectangles With a Given Area
Practice finding the area of rectangles by counting unit square. Create rectangles with a given area by covering unit squares. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
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