An I Know It! Book. Follows NCTM guidelines. Deluxe edition. Written and reviewed by a mathematics specialist, this workbook teaches and reinforces the math skills third graders need most. Interesting activities and colorful illustrations introduce counting, addition, subtraction, rounding, place value, multiplication, division and more. Principles and Standards for School Mathematics, published by the National Council of Teachers of Mathematics (NCTM), was used as a guide in writing this book. Skills Include: Fact families; Place value; Regrouping; Division; Multiplication; Expanded notation. Made in the U.S.A.

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