This file contains 40 pages to practice CC 1.OA.D.7. These pages include 12 printable activity sheets to use as guided practice, independent work, or homework. Also included a card game to play three different ways during math centers,a matching game with a student response sheet and a game board. I have used this in my own classroom.
1.OA.D.7 - Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 – 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.