This short video and interactive assessment activity is designed to teach third graders about determining unknown angles within rectangles and squares.
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.
CK-12's Grade 5 Elementary Math is a series of videos and interactive videos designed to teach basic math concepts to 5th graders. Concepts covered include Multiplication and Division, Place Value, Multiple Operations and Grouping, Decimals, Time, Fractions, Money, Measurement, and Geometry.
This resource includes exit tickets for Grade 4 Cluster 8.
Students explore line symmetry and the names and attributes of two-dimensional mathematical shapes.
Here are additional resources for Cluster 8 of Grade 4.
In this lesson students classify triangles based on a variety of attributes.
In this lesson students explore whether triangles can be made for given side lengths.
In this lesson students explore polygons and sort them by attributes.
In this lesson students explore polygons and sort them by attributes.
G4M4: Angle Measure and Plane Figures. Contains 16 Lessons.
This 4 unit of geometry lessons explores 2D and 3D shapes through 4 worksheets.
This 4 unit of geometry lessons explores circles and angles through 5 hands-on activities and 6 worksheets.
In this lesson, students explore various triangles by sorting them based on attributes such as having equal lengths and square corners (right angles).
In this lesson, students explore various quadrilaterals by sorting them based on attributes such as opposite sides having equal lengths and square corners (right angles).
This task provides learners with the opportunity to analyze how shapes were sorted, and make generalizations about similar characteristics within a sorted group.
This resource includes writing prompts aligned to Grade 4 Cluster 8.
In this lesson, students will recognize lines of symmetry for given two-dimensional figures; identify line-symmetric figures and draw lines of symmetry.
In this lesson, students will analyze and classify triangles based on side length, angle measure or both.
In this lesson, students will classify quadrilaterals based on parallel and perpendicular lines and the presence or absence of angles of a specified size.