32 units · 128 lessons · always free

Grade 3 learning

Explore 7 subjects through 32 ordered units and 128 lessons, with supplied examples, practice, study guides, unit reviews and subject tests. Start with the skills you are ready to learn; grade placement is a suggested starting point.

Choose a subject and follow its unit sequence. Learn from solved examples, practice with hints, use a study guide, then try a unit review and a subject test.

7 units · 28 lessons

Math

Multiply and Understand Both Meanings of Division · Build Fact Strategies and Solve Two-Step Problems · Round and Calculate with Place Value · Fractions as Parts and Numbers · Solve Time, Mass, and Liquid-Volume Problems · Distinguish Area from Perimeter · Interpret Scaled Data and Shape Categories

6 units · 24 lessons

Reading & writing

Word Families, Syllables and Accurate Fluency · Read a Poem, a Script and a Narrator · Read Headings, Maps and Organized Information · Explain what a story and a process show · Agreement, Pronouns and Punctuated Speech · Draft a Scene With Speech and a Clear Ending

6 units · 24 lessons

Science

Life Cycles and Traits · Habitats, Adaptation and Change · Weather, Climate and Hazard Planning · Forces and changes in motion · Magnets and Noncontact Forces · Engineering Tests and Tradeoffs

5 units · 20 lessons

Social studies

Civic Institutions and Cooperation · United States Physical Geography · Regional Economies and Networks · Indigenous Americas and Early Encounters · Products, Work, and Choices

4 units · 16 lessons

Computing

Messages Travel through a Network · Choose, Count and Test Decisions · Design Data that Answers a Question · Build a Paper Interactive Story

Choose by skill, at your own pace

Grade labels suggest a starting level. School sequences vary, especially in high school; use the prerequisites and choose a different grade when it fits better. The curriculum map explains coverage and limits.

Lessons and tests support independent study and school learning. They do not award school credit or establish that local school or home-education requirements have been met. Younger learners can work with an adult reading aloud, drawing or discussing answers.

Guest answers are temporary. Keep your own work or download your practice notes before leaving. Nothing here sends school grades to a teacher.