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Building the Basics: Subtraction Facts eBook Grade 2-3
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Subtraction facts to 20 are covered. Students work with subtraction facts in exercises that include: missing addends, matching questions and answers, filling in the blanks, true-false statements, number wheels, number teepees, number mazes, number spirals, number squares and review exercises. Being able to recall basic facts quickly and accurately helps to build confidence and allows students to focus on complex ideas often found in higher levels of mathematics.