GRADE 3 • DISCOVER & MASTER
The Big World
Grade 3 deliberately broadens a child’s knowledge of the world through ancient civilizations, geography, science, mathematics, writing, and introductory evidence reasoning.
What students explore
- Ancient Egypt, Greece, Rome, and mythology
- World geography, rivers, mountains, volcanoes, oceans, and planets
- Mammals, reptiles, insects, weather, ecosystems, inventions, architecture, and transportation
- Multiplication, division, fractions, perimeter, area, tables, and graphs
Example experiences
- Build a model bridge and compare designs.
- Create a map showing major world landforms.
- Write a short report on an ancient invention.
- Track weather data and graph the results.
TECHNICAL STANDARDS
- 3.1.2.1 Identify a text’s main idea and supporting details.
- 3.1.2.2 Distinguish narrative, explanatory, and informational writing.
- 3.1.3.1 Write a multi-paragraph explanation using organized facts.
- 3.2.1.1 Demonstrate multiplication and division fluency.
- 3.2.1.2 Understand fractions as quantities and parts of wholes.
- 3.2.3.1 Calculate perimeter and area of rectangles.
- 3.4.1.1 Distinguish direct observation from inference.
- 3.4.1.2 Identify evidence supporting a simple factual claim.
Policy relationship: MLP-POL-02, MLP-POL-03, and MLP-POL-04.
Mastery check
Students should read substantial grade-level text, explain main ideas, write organized multi-paragraph pieces, multiply and divide fluently, work with basic fractions, interpret simple data, and distinguish observation from inference.