This course is aligned with the National Standards for fifth-grade mathematics and focuses on three critical areas. First, the students will become skilled at the addition and subtraction of fractions. They will continue to develop an understanding of the multiplication of fractions and learn to do some simple division of fractions. The students use the meaning of fractions, multiplication and division to understand why the processes for multiplying and dividing fractions make sense. Second, the students will expand their knowledge of division to include 2-digit divisors and decimal operations. The students will have mastered multi-digit addition, subtraction, multiplication, and division. The students will learn how to add and subtract numbers with decimals to the hundredths. They also develop an understanding of the relationship between fractions and decimals. Third, the students will develop an understanding of volume as a property of three-dimensional space. They will learn how to approach and solve problems regarding the estimation and measurement of volume.