This Montessori-inspired math center introduces students to the concept of finding missing addends using addition tape diagrams. The Montessori red and blue strips displayed on each task card provide a concrete visual for young learners. Students are required to determine the missing addend in each number sentence. This activity includes 16 task cards, a recording sheet, an exit ticket, and answer keys. Enjoy! Engaging Education Materials Copyright © 2018 Engaging Education Materials All rights reserved by author. For classroom use only. This copy is to be used by a single teacher. Please purchase one license per teacher using this product. ********************************************************************* You May Also Be Interested In These Related Products… Finding Equivalent Number Sentences With Tape Diagrams . Addition Facts Using Tape Diagrams and the Montessori Number Rods. Addition Facts Up to Ten Using Tape Diagrams. Beginner Tape Diagrams. Understanding Addition and Subtraction Using Tape Diagrams. Addition and Subtraction Word Problems using Tape Diagrams. ********************************************************************* Customer Tips:How to get TPT credit to use on future purchases: • Please go to your My Purchases page (you may need to login). Beside each purchase you'll see a Provide Feedback button. Simply click it and you will be taken to a page where you can give a quick rating and leave a short comment for the product. Each time you give feedback, TPT gives you feedback credits that you use to lower the cost of your future purchases. I value your feedback greatly as it helps me determine which products are most valuable for your classroom so I can create more for you. Be the first to know about my new discounts, freebies and product launches: • Look for the green star next to my store logo and click it to become a follower. Voila! You will now receive email updates about this store. I happily post all new products at Half Price for the first 48 hours!