Geometry:2D and 3D Shapes-Fourth Grade

Fourth Grade GEOMETRY

Previous Knowledge: WHAT IS GEOMETRY? Write it in your notebook.

Learning Outcome: Recognizes, describes, compares, classifies and represents some basic elements of Geometry, through the recognition and application of objects and properties of two- dimensional and three- dimensional shapes and the use of geometrical language.

Introduction Reading CLICK ON!

TASK:After reading, choose five of the eleven examples of Geometry in Every Day Life to find objects at home that belong to the categories you chose. Draw and give some descriptions about each object. Use adjectives and geometrical terms in this task.

Two-D Shapes: Polygons

Learning Outcome: Recognize, describe, compare and classify polygons and geometric shapes, through the recognition and application of objects and properties of 2-D and 3-D shapes and the use of geometrical language.

Learn how to draw regular polygons while watching the video

TASK

After learning what is a polygon and how to classify them in regular and irregular polygones as well as naming them for the number of sides, cut as many color paper polygones an make a creative composition. Make sure you correctly measure the regular polygons using your ruler.

Polygonal STARY NIGHT-VAN GOGH

Polygonal Tiger´s Head

Polygonal Woman´s head

Polygonal Landscape

Polygonal Unicorn

Polygons, Triangles, Quadrilaterals

Let´s work these figures in EnVision MATH: Polygons Reteaching and Practice 16-7 Triangles Reateaching and Practice 16-8 Quadrilaterals Reteaching and Practice 16-9

Polygons, Triangles, Quadrilaterals

Angles-Types and Definition

QUESTION

What is an angle?

Click On!

How to Measure Angles

QUESTION

What tool does help me measure angles?

Click On!

Let´s understand Angles and Unit Angles

Work in EnVision MATH: Reteaching & Practice 16-3

Measuring with Unit Angles

Work in EnVision MATH: Reteaching & Practice 16-4

Measuring Angles

Work in EnVision MATH: Reteaching & Practice 16-5

Circle and Circumference

QUESTION

What is the differencebetween a circumference and the circle?

Click On!

Circle and How to Draw it

QUESTION

What tool does help me draw a circle?

Click On!