Math Mammoth Grade 6-B Worktext is the second student book in Math Mammoth grade 6 curriculum, meant for the latter half of 6th grade. It covers using factoring to help to calculate the greatest common factor (GCF) and least common multiple (LCM); addition, subtraction, multiplication, and division of fractions; integers (negative numbers) and graphing in the coordinate plane; finding the area of polygons; and statistical distributions. Chapter...