Model addition and subtraction situations using the concepts of "part-whole," "adding to," "taking away from," "comparing," and missing addend."
Remarks
Teachers should ensure that students focus on conceptual understanding by using manipulatives, words, or pictures, and limiting the use of formal algorithms.General Information
Subject Area: X-Mathematics (former standards - 2008)
Grade: 1
Body of Knowledge: Algebra
Idea: Level 2: Basic Application of Skills & Concepts
Big Idea: BIG IDEA 1 - Develop understandings of addition and subtraction strategies for basic addition facts and related subtraction facts.
Date Adopted or Revised: 09/07
Content Complexity Rating:
Level 2: Basic Application of Skills & Concepts
-
More Information
Date of Last Rating: 06/07
Status: State Board Approved - Archived
Related Access Points
Alternate version of this benchmark for students with significant cognitive disabilities.
Related Resources
Vetted resources educators can use to teach the concepts and skills in this benchmark.
Instructional Technique
Lesson Plans
Virtual Manipulative
Student Resources
Vetted resources students can use to learn the concepts and skills in this benchmark.
Virtual Manipulative
Ten Frame:
This applet contains four games (How Many?, Build, Fill, and Add) that utilize a frame with ten slots for students to place objects, which helps students develop counting and addition skills.
Type: Virtual Manipulative
Parent Resources
Vetted resources caregivers can use to help students learn the concepts and skills in this benchmark.
Virtual Manipulative
Ten Frame:
This applet contains four games (How Many?, Build, Fill, and Add) that utilize a frame with ten slots for students to place objects, which helps students develop counting and addition skills.
Type: Virtual Manipulative