3rd Grade Math

Course Description

Semester A

During the first semester, students will build flexibility with numbers as they master addition and subtraction facts as well as multiplication and division facts. Students will understand relationships between addition and subtraction, multiplication and addition and multiplication and division as they learn to borrow, carry, and regroup in order to find sums and differences of two whole numbers up to 10,000. Students will also comprehend the place value of base ten numbers up to 1,000,000 in order to find patterns and make estimations. Lastly, they will implement a 4-step approach to solving problems and express numbers differently including translating them into Roman Numerals or expressing them as ordinal numbers.

Semester B

During the second semester, students will explore concepts of measurement including linear measurement, weight, volume, temperature, and time.  They will also recognize, compare, and convert fractions.  Students will write amounts of money and make change using as few coins as possible. Lastly, students will examine lines, polygons, and solid figures as they are introduced to basic concepts of geometry.

Course Requirements

Grade Level

3rd Grade

* Materials

Basic School Supplies

Third Grade Materials Kit

*Materials listed should be acquired by the student prior to beginning work in the course.


2 Semesters



Technology Skills

  • Internet Navigation
  • Word Processing Skills
  • Email Communication (with assistance of parent or teacher)

Semester A

Major Concepts:

  • Estimation
  • Properties of Multiplication
  • Multiplication and Division within 100
  • Place Value to Compute Multi-Digits
  • Word Problems

Semester B

Major Concepts:

  • Fractions: Equivalency
  • Fractions: Relative Size
  • Fractions: Placement on Number Line
  • Measurement
  • Area
  • Perimeter
  • Mass
  • Liquid Volume