Grade 2 ยท Mathematics Video Lesson

Decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the Video Lesson

Curriculum-aligned Grade 2 Mathematics lesson video for Decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the. Use it for classroom preview, instruction support, or home review.

About This Video

Curriculum-aligned Grade 2 Mathematics lesson video for Decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the. 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: Decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the lesson plan.

Video Learning Notes

In this lesson, students learned how to decompose two-dimensional shapes by cutting out squares from rectangles, dividing shapes in half, and partitioning rectangles into identical triangles. They practiced identifying and naming the resulting geometric parts, strengthening their understanding of shape properties and spatial relationships as required by TEKS.MATH.2.08E.

Learning Goals

  • Decompose two-dimensional shapes by cutting out a square from a rectangle.
  • Divide a two-dimensional shape into two equal parts (halves).
  • Partition a rectangle into identical triangles.
  • Identify and name the resulting geometric parts after decomposition.

Curriculum Context

Grade: Grade 2

Subject: Mathematics

Curriculum: TEKS