MA.2.A.2.3Archived Standard

Estimate solutions to multi-digit addition and subtraction problems through three digits.

Remarks

Example: Your friend says that 247 + 65 = 897. Without solving, explain why you think the answer is wrong. Activities include mental computation.
General Information
Subject Area: X-Mathematics (former standards - 2008)
Grade: 2
Body of Knowledge: Algebra
Idea: Level 2: Basic Application of Skills & Concepts
Big Idea: BIG IDEA 2 - Develop quick recall of addition facts and related subtraction facts and fluency with multi-digit addition and subtraction.
Date Adopted or Revised: 09/07
Date of Last Rating: 06/07
Status: State Board Approved - Archived

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