1.OA.1

=Operations and Algebraic Thinking=


 * Represent and solve problems involving addition and subtraction:**

1.OA.1 - Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing with unknowns in all poistions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.



[|Making equations game] [|Beginning of the year Math Centers] [|Worksheets for +, -, <, > =] [|Baby snake game]

Khan Academy Video's []

Making 10's Song: []

Story Problem Anchor Charts "Looking for Key Words" Helpful when deciding which operation to use: []