This math topic focuses on understanding how to make tens, specifically adjusting a group of items to reach a total of 20 objects. It involves addition problems where learners need to determine how many more items are needed to complete a set of 20. The objects used in the problems include various shapes (squares, circles, and triangles) and different colors, providing visual aids to help learners conceptualize and solve the problems. Each question is structured to enhance the learner's ability to quickly identify the quantity necessary to round up to the next ten, enhancing both counting and addition skills under 20.
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How many more pink triangles are needed to have 20