Grade 1 ยท Mathematics Video Lesson

Represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences Video Lesson

Curriculum-aligned Grade 1 Mathematics lesson video for Represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences. Use it for classroom preview, instruction support, or home review.

About This Video

Curriculum-aligned Grade 1 Mathematics lesson video for Represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences. 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: Represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences lesson plan.

Video Learning Notes

In this lesson, students learned to represent addition and subtraction word problems with whole numbers up to 20 using concrete objects, drawings, and number sentences. They explored the meaning of the equal sign as a relationship between two expressions and practiced finding unknown numbers in equations. These skills build foundational algebraic reasoning by helping students understand number relationships and operations in flexible ways.

Learning Goals

  • Represent word problems involving addition and subtraction of whole numbers up to 20 using concrete and pictorial models and number sentences.
  • Understand that the equal sign represents a relationship where expressions on each side of the equal sign represent the same value(s).
  • Determine the unknown whole number in an addition or subtraction equation when the unknown may be any one of the three or four terms in the equation.

Curriculum Context

Grade: Grade 1

Subject: Mathematics

Curriculum: TEKS