Learning Themes & Topics: Fourth Grade
This page sketches one way to organize a fourth-grade year into six integrated units of study, each lasting about six weeks. California history serves as the anchor, and English language arts, science, and mathematics connect to each historical period wherever the connection is genuine.
It is only one of thousands of possible arrangements. Standards never fit together like puzzle pieces, and any integrated plan will be somewhat messy. The goal is not a perfect fit but a coherent year in which students meet reading, writing, science, and mathematics inside a story they can follow, rather than as separate subjects that rarely speak to one another.
How the year fits together
A shared six-week rhythm
- Weeks 1–2, Launch: build background knowledge, begin the anchor text, pose the guiding question.
- Weeks 3–4, Investigate: primary sources, science investigations, and thematic math applications.
- Weeks 5–6, Create and share: build, revise, present, and reflect on the culminating project.
Mathematics keeps its own sequence
Rather than forcing math to follow history, each unit's math application matches where a typical fourth-grade sequence already is: place value, then multiplication, division, fractions, decimals, and finally geometry and measurement. Core math skills are still taught directly in a dedicated math block; the themes give students somewhere meaningful to use them.
Writing rotates through every type
Informative (Unit 1), opinion (Unit 2), narrative (Unit 3), research (Unit 4), perspective and comparison (Unit 5), and civic persuasion with an oral presentation (Unit 6). Each writing type receives a full unit of focused attention.
Four threads run all year
- A growing class map of California, added to in every unit.
- Native presence: California's Native nations appear in every unit as living, contemporary communities, not only in Unit 1.
- Perspective: who benefited, who was harmed, and whose voices are missing?
- Water: rivers, missions, hydraulic mining, irrigation, and drought connect nearly every period.
Software that supports the whole year
The SDLA software directory lists hundreds of instructional programs. Few are built for integrated units, but many can serve one. Each unit below names a few specific connections; these tools can support every unit.
Digital workbooks and portfolios
Book Creator can hold a digital version of each unit workbook, and students' six finished books become a year-end portfolio. Artsonia can collect artwork such as maps, basketry designs, and museum captions.
Assessment checkpoints
Kahoot! or Wayground can deliver the short checkpoint quizzes at the end of each two-week phase, giving quick evidence for regrouping and reteaching.
History and background knowledge
If your district has adopted TCI History Alive!, Studies Weekly, myWorld Interactive, or inquirED, its fourth-grade materials can supply readings for each period. Discovery Education adds video across all six units.
The dedicated math block
Because math keeps its own sequence, adaptive and visual programs such as ST Math, Zearn, or DreamBox Math can carry core skill practice, while each unit supplies the real-world applications.
The year at a glance
Unit 1: Native Californians
Weeks 1–6
Guiding question: How did California's land shape the lives of its first peoples, and how do those nations continue today?
Culminating project
A regional map and "nation profile" that ends with how the nation lives and governs itself today.
Assessment evidence
Informative writing, map annotations, and a place-value performance task.
Subject connections
History–Social Science
- HSS 4.1
- HSS 4.2.1–2
- California's regions, landforms, and climate.
- The diversity of Native nations, languages, trade networks, and land stewardship.
- Close with contemporary tribal governments and communities.
English Language Arts
- RI.4.2
- W.4.2
- Island of the Blue DolphinsClassic, paired with Native-authored texts and materials from tribes' own websites and cultural centers.
- Reading focus: main idea and key details in informational text.
- Writing: an informative piece about one nation or region.
Science
- 4-LS1-1
- 4-LS1-2
- 4-ESS2-2
- How plant and animal structures support survival: acorns, tule, and salmon.
- How animals sense and respond to their environment.
- Analyzing maps of Earth's features.
- Listen to the Language of the TreesSDLA list
Mathematics
- 4.NBT.1–3
- 4.G.3
- Place value, rounding, and comparing large numbers using regional distances, elevations, and areas.
- Lines of symmetry in basketry designs.
Workbook 1 would include
A regional map spread, a nation-profile research guide, an acorn-to-food science investigation, place-value practice using California data, and a portfolio page for the finished profile.
Software connections
- Nystrom World: regional, physical, and climate maps to start the year-long class map of California.
- National Geographic Kids: background on animal and plant adaptations and California habitats for the structure-and-function investigations.
- Teaching Books: author and book resources for finding and preparing Native-authored texts to pair with the anchor novel.
- Book Creator: students publish their nation profile as a short illustrated digital book.
A note on the anchor text: Island of the Blue Dolphins was written by a non-Native author and is criticized by some Native educators. Pair it with Native voices, or replace it with a Native-authored text.
Unit 2: Spanish Exploration, Missions, and Ranchos
Weeks 7–12
Guiding question: How did the mission and rancho systems change California, and how do different people remember that time?
Culminating project
A structured, evidence-based discussion or opinion essay on how the mission system affected Native Californians.
Assessment evidence
Opinion essay, source-comparison notes, and an area and multiplication task.
Subject connections
History–Social Science
- HSS 4.2.3–8
- Spanish exploration and the establishment of the missions.
- Effects on Native peoples, including forced labor, disease, and resistance.
- Mexican independence and the rancho era.
English Language Arts
- RI.4.6
- W.4.1
- Compare firsthand and secondhand accounts of mission life.
- Writing: an opinion piece using evidence from more than one perspective.
- Latinitas: Celebrating 40 Big DreamersSDLA list for biography pairings.
Science
- 4-PS4-1
- 4-PS3-2
- Sound as a wave through mission bells: vibration, pitch, and pattern.
- Heat transfer in adobe walls: why thick adobe stays cool.
Mathematics
- 4.NBT.5
- 4.OA.1–2
- 4.MD.3
- Multiplication and "times as many" comparisons using herd sizes and land grants.
- Area and perimeter of rancho plots.
Workbook 2 would include
Paired primary sources from different perspectives, a sound-and-vibration lab, rancho land-grant math problems, an opinion-writing planner, and a portfolio page for the final essay.
Software connections
- DBQ Online: a document-based inquiry structure for comparing firsthand and secondhand accounts before writing the opinion essay.
- Kami: students annotate primary sources and mark evidence from different perspectives.
- Mystery Science: elementary phenomenon-based lessons on sound, vibration, and energy to support the bell and adobe investigations.
- Brainingcamp: virtual area models and multiplication manipulatives for the rancho land-grant problems.
Instead of a mission model: California's History–Social Science Framework cautions against the traditional mission-building project because it can romanticize the mission system. An evidence-based discussion better serves students and honors Native perspectives.
Unit 3: The Gold Rush and Statehood
Weeks 13–18
Guiding question: Who really struck it rich in the Gold Rush, and at what cost?
Culminating project
A Gold Rush journal and a classroom "Market Day," where students buy supplies at 1849 prices and weigh their "gold."
Assessment evidence
Narrative writing, conversion and division tasks, and the Market Day ledger.
Subject connections
History–Social Science
- HSS 4.3
- Routes to California and the worldwide rush of newcomers.
- Effects on Native peoples and on Californios.
- The Mexican–American War and California statehood.
English Language Arts
- RL.4.3
- W.4.3
- By the Great Horn Spoon! or Riding FreedomClassic
- Reading focus: character, setting, and events.
- Writing: a narrative journal from the viewpoint of a miner, merchant, or Native Californian.
Science
- 4-ESS2-1
- 4-ESS1-1
- Weathering and erosion: how gold ends up in streambeds.
- Rock layers as evidence of past environments.
- Hydraulic mining's damage to rivers, which sets up Unit 6's water questions.
Mathematics
- 4.MD.1–2
- 4.NBT.6
- Weighing "gold nuggets" and converting ounces and pounds.
- Division when sharing claims and supply costs.
- Money problems using actual Gold Rush prices.
Workbook 3 would include
A route map, journal templates, a stream-table erosion investigation, a Market Day price list and ledger, and a portfolio page for the finished journal.
Software connections
- BrainPOP: short animated background on the Gold Rush and westward migration during the launch weeks.
- Gizmos: weathering and erosion simulations to pair with the stream-table investigation.
- Banzai!: budgeting and money-management activities that extend the Market Day ledger.
- Breakout EDU: a Gold Rush escape-room game as a lively end-of-unit review.
Outside the SDLA directory, The Oregon Trail simulation can spark discussion of overland journeys west. Use it critically: ask whose land the trails crossed and how Native peoples are portrayed.
Unit 4: The Transcontinental Railroad and a Growing California
Weeks 19–24
Guiding question: Who built California, and how did new technology and new people change it?
Culminating project
A research report on one immigrant community and a class timeline of the railroad and the people who built it.
Assessment evidence
Research report with citations, fraction tasks, and an engineering-design notebook.
Subject connections
History–Social Science
- HSS 4.4.1–4
- The transcontinental railroad and Chinese immigrant labor.
- Anti-Chinese laws and their effects.
- Immigration and migration, agriculture, and the growth of cities.
English Language Arts
- W.4.7–8
- Coolies or Ten Mile DayClassic
- In the Beautiful Country and Maizy Chen's Last ChanceSDLA list connect Chinese immigration then and now.
- Writing: a short research report on one immigrant community.
Science
- 4-PS3-1
- 4-PS3-3
- 4-PS3-4
- 4-ESS3-1
- Energy and motion: speed, energy transfer, and collisions.
- Engineering challenge: design a device that converts energy.
- Coal and steam as energy resources.
Mathematics
- 4.NF.1–3
- 4.MD.4
- Fractions of track laid and equivalent fractions.
- Line plots of daily progress.
- A "Ten Mile Day" rate challenge.
Workbook 4 would include
A research-report organizer with citation practice, an energy and collisions lab, an engineering-design notebook, fraction problems based on the railroad's construction, and a portfolio page for the report.
Software connections
- Sutori: a collaborative multimedia timeline of the railroad and the people who built it.
- Britannica Education: reliable reference articles and citation practice for the immigrant-community research report.
- SAM Labs: hands-on sensors and motors for the design-a-device energy challenge; Tinkercad offers a free, screen-based alternative.
- Brainingcamp: fraction bars and number lines for modeling fractions of track laid.
Unit 5: California 1910–1950
Weeks 25–30
Guiding question: How did hard times and war test Californians, and did everyone share the same rights?
Culminating project
A "Perspectives Museum": a gallery of analyzed photographs and primary sources with student-written captions.
Assessment evidence
Perspective writing, photograph analyses, and decimal tasks.
Subject connections
History–Social Science
- HSS 4.4.5
- The Great Depression and Dust Bowl migration.
- Mexican Repatriation.
- World War II, California's war industries, and Japanese American incarceration.
English Language Arts
- RL.4.6
- RI.4.6
- Still Dreaming, Love in the Library, Seen and Unseen, and The Gardener of AlcatrazSDLA list
- Esperanza RisingClassic for 1930s California farm labor.
- Writing: a perspective piece comparing two people's experiences of the same event.
Science
- 4-PS4-2
- 4-PS4-3
- Light and how cameras work, connected to the photographers in Seen and Unseen.
- Transmitting coded information: radio and wartime codes.
- Blast Off!SDLA list as a bridge to aerospace.
Mathematics
- 4.NF.5–7
- 4.MD.4
- Decimals through Depression-era prices and wartime rationing.
- Graphing and comparing historical data.
Workbook 5 would include
A photograph-analysis guide, paired perspective readings, a light-and-lenses investigation, a coded-message activity, rationing and price problems, and a portfolio page for the museum caption.
Software connections
- Soundtrap: students write and record a 1940s-style radio broadcast, connecting history to how sound carries information.
- Code.org: lessons on encoding and secret messages that connect to wartime codes and information transfer.
- Padlet: a digital gallery for the Perspectives Museum, with photographs and student-written captions.
- Newsela: informational texts at several reading levels on the Depression, the Dust Bowl, and Japanese American incarceration; ReadWorks is a free alternative.
Unit 6: Modern California and the Future
Weeks 31–36
Guiding question: What challenges does California face today, and how can citizens, including fourth graders, help solve them?
Culminating project
A civic-action proposal on a California issue such as water, wildfire, or energy, combining an engineered solution, a persuasive letter, and a presentation.
Assessment evidence
Persuasive writing, the engineering design, angle tasks, and a year-end reflection on the class map.
Subject connections
History–Social Science
- HSS 4.4.6–9
- HSS 4.5
- Post-war industries: aerospace, technology, and large-scale agriculture.
- Farmworker rights and California's water system.
- State, county, and city government, and Native nations' self-government today.
English Language Arts
- W.4.1
- SL.4.4
- Who Was the Voice of the People?: Cesar Chavez, Two Degrees, New From Here, and Wake, Sleepy OneSDLA list
- Writing: a persuasive letter to an elected official, followed by an oral presentation.
Science
- 4-ESS3-1
- 4-ESS3-2
- 4-ESS2-2
- Renewable and nonrenewable energy resources.
- Designing solutions that reduce harm from earthquakes, wildfires, or floods.
- Revisiting the Unit 1 map to see how hazards relate to landforms.
Mathematics
- 4.MD.5–7
- 4.G.1–2
- Measuring angles for solar-panel tilt and map bearings.
- Lines, angles, and shapes in design.
- Area in a school-garden or solar-array layout.
Workbook 6 would include
A California issues overview, a letter-writing and presentation planner, an engineering-design challenge, angle and area problems, a year-end map reflection, and the portfolio's closing pages.
Software connections
- iCivics: games and lessons on how government works, supporting the civic-action proposal and letter to an elected official.
- Minecraft for Education: students design a solar-powered or fire-resilient California community for the engineering challenge.
- TIME for Kids: current articles on drought, wildfire, and energy; Listenwise adds public-radio stories on the same issues.
- WeVideo: students produce a short video version of their civic-action presentation.
Estimated standards coverage
| Subject | Named in this plan | Could reasonably reach | Notes |
|---|---|---|---|
| History–Social Science | About 95% | About 100% | History is the backbone. Government (HSS 4.5) is addressed only lightly in Unit 6. |
| Science | 14 of 14 performance expectations | 100% | Every expectation appears once, with varying depth. Unit 2's connections are the thinnest. |
| Mathematics | About 80% | About 85% | Not placed: factors and multiples, patterns, multi-digit addition and subtraction, and multiplying fractions by whole numbers. |
| English Language Arts | About 20% | About 65–75% | Most reading, writing, speaking, and listening skills occur naturally in these units. Foundational skills and language conventions need separate instruction. |
What still doesn't fit neatly
- Some mathematics has no natural theme. Factors and multiples and operations with fractions need direct teaching wherever the math sequence places them.
- Science connections are uneven. They are strongest in Units 3, 4, and 6 and weakest in Unit 2.
- Unit 2 needs a strong anchor text. Few current titles on the literature list fit the mission and rancho period, so the unit leans on primary sources.
- Real calendars are uneven. Testing, holidays, and school events rarely allow six equal units. Units 1 and 5 could stretch to seven weeks, and Unit 6 could shrink to five.
About this plan: This is an illustrative framework, not an adopted curriculum. Standard codes reference the California History–Social Science Content Standards, the California Common Core State Standards for ELA and Mathematics, and the California Next Generation Science Standards. Confirm them against current state documents and adapt the plan to local context, materials, and students. Titles marked "SDLA list" appear in this site's fourth grade literature collection; titles marked "Classic" are widely used but not currently on that list. Software named on this page is illustrative, not endorsed; products and features change, so follow district review processes for instructional fit, accessibility, privacy, and security before use.