Illustrate the measure of an angle as the part of a circle whose center is at the vertex of the angle that is "cut out" by the rays of the angle. Angle measures are limited to Video Lesson

About This Video

Curriculum-aligned Grade 4 Mathematics lesson video for Illustrate the measure of an angle as the part of a circle whose center is at the vertex of the angle that is "cut out" by the rays of the angle. Angle measures are limited to. Use it for classroom preview, instruction support, or home review.

This watch page is dedicated to the video. For the complete text lesson plan, activities, standards alignment, and answer guides, use the companion lesson page: Illustrate the measure of an angle as the part of a circle whose center is at the vertex of the angle that is "cut out" by the rays of the angle. Angle measures are limited to lesson plan.

Video Learning Notes

Students learned that an angle can be illustrated as the part of a circle centered at the vertex that is cut out by the rays of the angle. They understood that degrees measure angles as parts of a circle, with one degree equal to 1/360 of the circle. Angle measures are expressed as whole numbers up to 180 degrees. Using protractors and drawings, students practiced measuring and illustrating angles as sectors of circles, connecting abstract concepts to concrete visuals and real-world examples.

Learning Goals

• Illustrate an angle as the part of a circle with its center at the vertex of the angle that is 'cut out' by the rays of the angle, using whole number measures.
• Explain that degrees are units used to measure angles, where one degree is 1/360 of a full circle.
• Determine the measure of an angle by identifying how many 1/360 parts of a circle it cuts out, limited to whole numbers.
• Apply understanding of angle measures to solve problems involving angles less than or equal to 180 degrees.

Curriculum Context

Grade: Grade 4

Subject: Mathematics

Curriculum: TEKS