Addition and Subtraction MATH Through easy strategies and a variety of exercises that suit your child's age, we will be learning Addition and Subtraction, to understand math operations easily and smoothly, by using differents methods( 10 frame, cross out, add by using objects...) with more than 90 exercices, we will also learn how to write the addition and the subtraction sentences easily. The Book Contains: -Premium matte cover design-Perfectly sized at 8.5" x 11"-100 pages
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