Learning Themes & Topics: Second Grade
This page sketches one way to organize a second-grade year into six integrated units of study, each lasting about six weeks. The anchor is mixed: social studies leads four units, science leads one, and biography leads one. English language arts, science, and mathematics connect to each unit 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 read-alouds, pose the guiding question.
- Weeks 3–4, Investigate: hands-on science, maps and objects, and thematic math applications.
- Weeks 5–6, Create and share: build, revise, present, and reflect on the culminating project.
Where the anchor shifts
Second-grade social studies does not form one continuous story, so this plan is honest about its anchors. Units 1, 2, 4, and 5 are led by social studies, Unit 3 by Earth science, and Unit 6 by biography. Each unit still connects all four subjects.
Mathematics and reading keep their own sequences
Each unit’s math matches a typical second-grade sequence: fluency within 20, place value and length, adding and subtracting within 1,000, money and data, arrays and shapes, then time and line plots. Foundational reading, phonics, and fluency need their own daily time; the themes shape read-alouds, vocabulary, and writing.
Four threads run all year
- A growing class map of the neighborhood and region.
- Then and now: what changed, what stayed the same, and who benefited.
- People working together: communities, not only individuals, make change.
- Land, water, and living things connect the science and social studies units.
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, drawings, and project photos.
Assessment checkpoints
Kahoot! or Wayground can deliver short checkpoint quizzes at the end of each two-week phase, with public leaderboards turned off, giving quick evidence for regrouping and reteaching.
Social studies and background knowledge
If your district has adopted Studies Weekly, myWorld Interactive, or inquirED, its second-grade materials can supply readings for each unit. Discovery Education adds video across all six units.
The dedicated math block
Adaptive and visual programs such as ST Math, Zearn, or DreamBox Math can carry core skill and fluency practice, while each unit supplies real-world applications.
The year at a glance
Unit 1: Stories of the Past, Then and Now
Weeks 1–6
Guiding question: How do people remember the past, and how is life today different from long ago?
Culminating project
A “then and now” object exhibit comparing an everyday object from long ago with today’s version, plus a timeline of the student’s own school year or of a book character’s life.
Assessment evidence
Personal or character narrative, the timeline, a materials investigation, and an addition and subtraction fluency check.
Subject connections
History–Social Science
- HSS 2.1
- Telling the difference between long ago, not so long ago, and today.
- Using objects, photographs, and stories as clues about the past.
- Placing events in order on a timeline.
English Language Arts
- RL.2.3
- W.2.3
- Hundred Years of Happiness, Just Like Grandma, Look, Grandma! Ni, Elisi!, and Eyes That Speak to the StarsSDLA list
- Reading focus: how characters respond to events and challenges.
- Writing: a narrative about a real or book-based event, told in order.
Science
- 2-PS1-1
- 2-PS1-2
- Sorting objects by their materials and properties, such as wood, metal, cloth, and plastic.
- Testing which materials work best for a purpose, comparing old and new objects.
Mathematics
- 2.OA.1–2
- Adding and subtracting within 20 fluently.
- One- and two-step word problems about objects and events.
Workbook 1 would include
A long-ago and today sorting page, a timeline template, an object-exhibit planner, a materials investigation, fact-fluency practice, and a portfolio page for the narrative.
Software connections
- Epic: a digital library for finding more picture books about families and life long ago.
- Teaching Books: author and book resources for the unit’s anchor texts.
- Padlet: a class “then and now” museum where students post photos and captions of their objects.
- Brainingcamp: ten frames and number lines for addition and subtraction fluency.
No pressure to share family history: Make any family interview or family object optional. Students may instead use a book character, a school object, or a community elder invited by the class, and no child should be asked to represent a culture or identity group.
Unit 2: Maps and Where We Live
Weeks 7–12
Guiding question: How do maps help us understand where we live and how land and water fit together?
Culminating project
A labeled map of the school neighborhood and a model showing the land and water features of our region.
Assessment evidence
Informative labels and captions, the map and model, and place-value and length-measurement tasks.
Subject connections
History–Social Science
- HSS 2.2
- Locating places on maps and globes: our community, state, and country.
- Map symbols, keys, and cardinal directions.
- Land and water features that shape where people live.
English Language Arts
- RI.2.7
- W.2.2
- A River’s Gifts, All Are Neighbors, and On the TraplineSDLA list
- Reading focus: how images and diagrams add to a text.
- Writing: informative captions and a short explanation for the map.
Science
- 2-ESS2-2
- 2-ESS2-3
- Making models of the shapes and kinds of land and water in an area.
- Where water is found on Earth, and that it can be solid or liquid.
Mathematics
- 2.NBT.1–4
- 2.MD.1–4
- Place value to 1,000 using map distances and populations.
- Measuring and estimating length in inches, feet, centimeters, and meters while building the map.
Workbook 2 would include
A neighborhood map spread, map-symbol and direction practice, a land-and-water model guide, place-value and measurement pages, and a portfolio page for the finished map.
Software connections
- Nystrom World: maps and globes for learning map symbols and locating our community.
- National Geographic Kids: photographs and articles about land and water around the world.
- Minecraft for Education: students build a simple model of the school neighborhood.
- Brainingcamp: virtual base-ten blocks for place value to 1,000.
Unit 3: Earth Changes, Fast and Slow
Weeks 13–18
Guiding question: How does the land around us change, sometimes in a day and sometimes over a very long time?
Culminating project
A design for slowing wind or water from changing the land, tested in the classroom and explained in a class book.
Assessment evidence
Shared research writing, the design test, and addition and subtraction tasks within 1,000.
Subject connections
History–Social Science
- HSS 2.2
- HSS 2.4
- How people respond when land changes, from rebuilding after floods to protecting hillsides.
- Who decides how to protect land, and who benefits from those choices.
English Language Arts
- RI.2.3
- W.2.7
- Caves, Bok’s Giant Leap, and Polar BearSDLA list
- Reading focus: connections among events and steps in a process.
- Writing: shared research for a class book on how Earth changes.
Science
- 2-ESS1-1
- 2-ESS2-1
- Earth events that happen quickly, such as earthquakes and floods, and slowly, such as erosion.
- Comparing designs that slow or prevent wind or water from changing the shape of the land.
Mathematics
- 2.NBT.5–7
- Adding and subtracting within 100 and 1,000 using measurements from the erosion tests.
Workbook 3 would include
A fast-and-slow change sorting page, a design-and-test planner, shared research pages, addition and subtraction practice, and a portfolio page for the class-book contribution.
Software connections
- Mystery Science: elementary lessons on erosion and how land changes over time.
- National Geographic Kids: photographs of canyons, caves, and coastlines shaped by water and wind.
- Book Creator: students contribute pages to a class book on Earth changes.
- Brainingcamp: number lines and base-ten models for adding and subtracting within 1,000.
This unit is led by science rather than history. Social studies connects through how communities respond to changes in the land.
Unit 4: Where Our Food Comes From
Weeks 19–24
Guiding question: How does food get from the farm to our table, and who helps it get there?
Culminating project
A farm-to-table flow chart following one food, plus a classroom market where students buy and sell with play money.
Assessment evidence
How-to or explanatory writing, the flow chart, a plant-growth investigation, and money and graphing tasks.
Subject connections
History–Social Science
- HSS 2.4
- Producers and consumers, and how food is grown, processed, transported, and sold.
- How people depend on one another for goods and services.
- Trade between communities and countries.
English Language Arts
- RI.2.3
- W.2.2
- Harvest Days, Wake, Sleepy One, The Elote Man Goes to College, Saturday at the Food Pantry, Cornbread & Poppy, and Yummy: A History of DessertsSDLA list
- Reading focus: steps in a process.
- Writing: an explanatory piece on how one food reaches us.
Science
- 2-LS2-1
- 2-LS2-2
- Investigating whether plants need sunlight and water to grow.
- Designing a model that mimics how animals pollinate plants or spread seeds.
Mathematics
- 2.MD.8
- 2.MD.10
- Money problems with dollars, dimes, nickels, and pennies at the classroom market.
- Picture and bar graphs of plant-growth data.
Workbook 4 would include
A farm-to-table map, a producers-and-consumers organizer, a plant-growth log, a pollinator design page, market price lists and money practice, and a portfolio page for the explanation.
Software connections
- Mystery Science: lessons on what plants need and how seeds travel.
- ABCya!: money-counting games that support the classroom market.
- Banzai!: early financial-literacy activities on earning, spending, and saving.
- Padlet: a class wall tracking plant growth with photos and measurements.
Protect privacy: Do not ask students about their family’s food, income, or use of food assistance. Saturday at the Food Pantry can be read with care as a story about community support, not as a prompt for personal disclosure.
Unit 5: Rules, Laws, and Government
Weeks 25–30
Guiding question: Why do communities need rules and leaders, and how do people make fair choices together?
Culminating project
A class charter of rights and responsibilities, plus a model town built from small pieces, with rules the class agrees on by vote.
Assessment evidence
Opinion writing, the class charter, and array and shape-partitioning tasks.
Subject connections
History–Social Science
- HSS 2.3
- Why we have rules and laws, and who makes and enforces them.
- The roles of local leaders and how people vote.
- How people resolve disagreements fairly.
English Language Arts
- W.2.1
- SL.2.1
- V is for Voting, Justice Is..., and Sharice’s Big VoiceSDLA list
- Speaking: collaborative conversations with agreed-upon rules.
- Writing: an opinion piece about a rule the class should adopt.
Science
- 2-PS1-3
- 2-PS1-4
- Building the model town from small pieces that can be taken apart and rebuilt into new shapes.
- Heating and cooling: which changes can be reversed and which cannot.
Mathematics
- 2.OA.3–4
- 2.G.1–3
- Arrays and equal groups when organizing town blocks.
- Partitioning shapes into halves, thirds, and fourths, such as sharing land or space fairly.
Workbook 5 would include
A rules-and-laws sorting page, a class charter template, a voting tally page, a model-town planner, array and fraction-shape practice, and a portfolio page for the opinion piece.
Software connections
- Scholastic Classroom Magazines: age-appropriate articles about rules, voting, and community leaders.
- Flocabulary: short videos for civics vocabulary such as rule, law, and vote.
- Minecraft for Education: students build the model town together under the class rules.
- Brainingcamp: virtual arrays and shape tools for equal groups and fair shares.
The science connection in this unit is the loosest on the page; the model town gives the materials investigation a civic purpose.
Unit 6: Changemakers, Famous and Everyday
Weeks 31–36
Guiding question: Who has made a difference in the world and in our community, and how did they work with others to do it?
Culminating project
A “Changemakers Gallery” featuring a person or group, famous or local, that shows the problem they tackled and who helped them.
Assessment evidence
Biography report and presentation, a habitat-diversity investigation, and time and line-plot tasks.
Subject connections
History–Social Science
- HSS 2.5
- People who made a difference in science, civil rights, the arts, and communities.
- How groups, families, and neighbors worked together, not only single heroes.
- Whose contributions were overlooked, and why.
English Language Arts
- RI.2.6
- SL.2.4
- I Am Ruby Bridges, She Persisted in Science, Latinitas, Swoop and Soar, and The Wolves of YellowstoneSDLA list
- Reading focus: an author’s purpose in a biography.
- Speaking: a short presentation about the changemaker.
Science
- 2-LS4-1
- Observing and comparing the diversity of plants and animals in different habitats, inspired by scientists and conservationists in the unit’s books.
Mathematics
- 2.MD.7
- 2.MD.9
- Telling time to five minutes when planning the gallery schedule.
- Line plots of measurements collected in the habitat study.
Workbook 6 would include
A biography organizer, a “who helped?” web, a habitat observation journal, time and line-plot practice, and the portfolio’s closing pages.
Software connections
- Epic: a digital library of biographies for young readers.
- National Geographic Kids: articles about scientists, conservation, and animal habitats.
- Padlet: a digital Changemakers Gallery with photos and captions.
- WeVideo: students record a short presentation about their changemaker.
Beyond hero-only history: Include groups and everyday community members alongside famous individuals, examine the conditions they worked to change, and ask who else helped.
Estimated standards coverage
| Subject | Named in this plan | Could reasonably reach | Notes |
|---|---|---|---|
| History–Social Science | About 100% | About 100% | All five second-grade standards have a home; Unit 3 connects to social studies only lightly. |
| Science | 11 of 11 performance expectations | 100% | Every expectation appears once. Unit 5’s materials connection is the loosest. |
| Mathematics | About 85% | About 85% | Not placed: mentally adding 10 or 100, explaining strategies, and length word problems on a number line. |
| English Language Arts | About 20% | About 55–65% | Foundational skills, including phonics, word recognition, and fluency, are a large share of second-grade ELA and need separate daily instruction. |
What still doesn't fit neatly
- Foundational reading needs its own time. Phonics, decoding, and fluency are central in second grade and cannot be folded into themes.
- The anchor is mixed. Social studies does not carry the whole year, so Units 3 and 6 are openly led by science and biography.
- Unit 5’s science is loose. Heating, cooling, and building from small pieces connect to government only through the model-town project.
- Family connections must stay optional. Units 1 and 4 touch on family life, so every family-based activity needs an equally strong alternative.
- Real calendars are uneven. Testing, holidays, and school events rarely allow six equal units. Unit 4’s plant investigation works best timed to the growing season.
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 second grade literature collection. 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.