Today you will be playing Squares to practice the subtract difference of 1 or 2 strategy. Your goal is to play for 5-10 minutes and make as many large squares as you can! 1. Click button to start. 2. Read the direction for how to play that game on page 1. Go to the second page to play the game. 3. Click play ▶️ and pause on the number cube to roll the die 🎲. Repeat this process for each roll. 4. Say each fact aloud as you answer it. 5. Move a circle over the difference or missing digit to cover it. 6. One the last page , click the microphone and read each fact aloud with the answer. If you are not sure of the answer share your thinking. 7. Click the check to submit your game.
Based on John SanGiovanni's Mastering the Basic Facts