Explain why addition or subtraction equations are true using objects or drawings.
The equation 7=9-2 can be represented with cupcakes to show that it is true by crossing out two of the nine cupcakes.
Instruction focuses on the understanding of the equal sign.
Clarification 2: Problem types are limited to an equation with two or three terms. The sum or difference can be on either side of the equal sign.
Clarification 3: Addition and subtraction are limited to sums within 20 and related subtraction facts.
Subject Area: Mathematics (B.E.S.T.)
Strand: Algebraic Reasoning
Date Adopted or Revised: 08/20
Status: State Board Approved