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Math Mammoth Grade 5-B Worktext is the student book for the second half of grade 5, and part of the Math Mammoth Grade 5 complete curriculum. This is the Canadian version, which means the book uses mostly metric units, is formatted to letter size, and large numbers are formatted with a space (e.g. 214 000). However, keep in mind that the "Grade 5" refers to the U.S. grade 5, and corresponds roughly to Canadian school system's year 6.
The main areas of study in this Grade 5-B worktext are operations with decimals, fraction arithmetic (all operations with fractions), and geometry (review of angles, area, and perimeter; drawing circles; classifying triangles & quadrilaterals; volume of rectangular prisms).
In chapter 5 we study graphing in the coordinate grid, line graphs, and average. Today's world has become increasingly complex with lots of data presented in the media, so our children need a good grasp of statistical graphs to be able to make sense of all of that information.
Chapter 6 continues our study of decimals. The focus is on multiplying decimals by decimals, dividing decimals by decimals and conversions between measuring units.
Chapter 7 covers the addition and subtraction of fractions - another topic of focus for 5th grade, besides decimals. The most difficult topic of this chapter is adding and subtracting unlike fractions, which is done by first converting them to equivalent fractions with a common denominator.
In chapter 8, we study the multiplication and division of fractions from various angles. Chapter 9 takes us to geometry, starting with a review of angles and polygons. From there, students will learn to draw circles, to classify triangles and quadrilaterals, and the concept of volume in the context of right rectangular prisms (boxes).
Please note this is the student worktext and does not contain the answers. The answer key book is available separately.
