The Tiger Math series was designed based on my three beliefs toward elementary math education. 1. It is extremely important to build foundation of math by acquiring a sense of numbers and mastering the four operation skills in terms of addition, subtraction, multiplication, and division. 2. In math, one should go through all steps in order, step by step, and cannot jump from level 1 to 3. 3. Practice math every day, even if only for 10 minutes. Tiger Math Level A set includes four separate books for 2nd grade (C-1, C-2, C-3, C-4). The goal of Tiger Math Level C is to learn the basics of addition (2 digit + 1 digit) with carrying-up as well as the basics of subtraction (2 digit - 1 digit) with borrowing.
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