The Context for Learning Mathematics Series

Beads and Shoes, Making Twos

Beads and Shoes, Making Twos

Madeline Chang, Catherine Twomey Fosnot

(Paperback)

Beads and Shoes, Making Twos: Extending Number Sense is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    This unit begins with the context of walking in line—two lines of children holding hands. The context encourages children to explore doubles while also strengthening their understanding of one-to-one correspondence.... more

Bunk Beds and Apple Boxes

Bunk Beds and Apple Boxes

Catherine Twomey Fosnot

(Paperback)

Bunk Beds and Apple Boxes: Early Number Sense is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    This unit begins with the story of a pajama party—a sleepover during which eight children play, moving up and down bunk beds, teasing the babysitter who imagines she is losing and then gaining children!   The unit introduces the arithmetic... more

Contexts for Learning Mathematics : 3-level Bundle

Contexts for Learning Mathematics : 3-level Bundle

Catherine Twomey Fosnot

(Bundle)

The new Contexts for Learning Mathematics series by Catherine Fosnot and colleagues from Mathematics in the City and the Freudenthal Institute uses carefully crafted math situations to foster a deep conceptual understanding of essential mathematical ideas, strategies, and models. Building on the ideals of a math workshop, each unit provides a two-week sequence of investigations, minilessons, games, and other contexts for learning.... more

Contexts for Learning Mathematics, Level 1

Contexts for Learning Mathematics, Level 1

Catherine Twomey Fosnot

(Bundle)

The new Contexts for Learning Mathematics series by Catherine Fosnot and colleagues from Mathematics in the City and the Freudenthal Institute uses carefully crafted math situations to foster a deep conceptual understanding of essential mathematical ideas, strategies, and models. Investigating Number Sense, Addition, and Subtraction (K–3) is the first level in the Contexts for Learning Mathematics series. In... more

Games for Early Number Sense

Games for Early Number Sense

Antonia Cameron, Catherine Twomey Fosnot

(Paperback)

Games for Early Number Sense is one of three yearlong resource guides in Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    Games for Early Number Sense contains 24 games that you can choose from as you consider the needs of your students. The unit includes notes for each game describing the mathematical landscape—the possibilities and... more

The Double-Decker Bus

The Double-Decker Bus

Maarten Dolk, Catherine Twomey Fosnot, Nina Liu

(Paperback)

The Double Decker Bus: Early Addition and Subtraction is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    This unit begins with the story of a double-decker bus—a bus that has two decks with ten seats on each. Five seats on each deck are red and five seats are white. The bus goes by quickly and the little girl in the story, sitting at her bedroom... more

Measuring for the Art Show

Measuring for the Art Show

Catherine Twomey Fosnot

(Paperback)

Measuring for the Art Show: Addition on the Open Number Line and Subtraction is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    The focus of this unit is the development of the open number line model within the context of measurement. As the unit progresses, the number line is used as a model for double-digit addition strategies. The unit begins... more

Minilessons for Early Addition and Subtraction

Minilessons for Early Addition and Subtraction

Catherine Twomey Fosnot, Willem Uttenbogaard

(Paperback)

Minilessons for Early Addition and Subtraction is one of three yearlong resource guides in Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    Minilessons for Early Addition and Subtraction is a resource of 78 minilessons that you can choose from throughout the year. In contrast to investigations, which constitute the heart of the math workshop,... more

Organizing and Collecting

Organizing and Collecting

Nina Liu, Maarten Dolk, Catherine Twomey Fosnot

(Paperback)

Organizing and Collecting: The Number System is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    This unit begins with the story of the Masloppy family—an endearing, large family that finds it difficult to keep track of things. Everyone is forever losing, misplacing, and looking for things. One of the children, Nicholas, decides to sort, organize,... more

Trades, Jumps, and Stops

Trades, Jumps, and Stops

Catherine Twomey Fosnot, Patricia Lent

(Paperback)

Trades, Jumps, and Stops: Early Algebra is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    The story The Masloppy Family Goes to New York City sets the stage in this unit for a series of investigations to develop several big ideas and strategies important in the algebra strand. Seven-year-old Nicholas Masloppy (fondly... more

Ages and Timelines

Ages and Timelines

Catherine Twomey Fosnot

(Paperback)

Ages and Timelines: Subtraction on the Open Number Line is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    This unit begins with the story of Carlos, an eight-year-old boy who is fascinated by his great-grandfather’s thick, beautiful silver hair. His great-grandfather lives in Puerto Rico and Carlos is preparing... more

Groceries, Stamps, and Measuring Strips

Groceries, Stamps, and Measuring Strips

Frans Van Galen, Catherine Twomey Fosnot

(Paperback)

Groceries, Stamps, nd Measuring Strips: Early Multiplication is one of five units in the Contexts for Learning Mathematics’ Investigating Multiplication and Division (3–5)    The focus of this unit is the introduction and early development of multiplication. By making use of realistic contexts, the unit invites students to find ways to mathematize their lived worlds with grouping structures.... more

Learning to Support Young Mathematicians at Work

Learning to Support Young Mathematicians at Work

Catherine Twomey Fosnot, Maarten Dolk, Kara Imm, William Jacob, Despina Stylianou

(BOOK WITH DVD)

"Our digital-lab environment provides an active, more meaningful professional development experience, which empowers teachers to integrate theory and practice.  We offer teachers the opportunity to embark upon their own landscape of learning journey." --Catherine Twomey Fosnot The bestselling Young Mathematicians at Work series has helped tens of thousands of teachers inspire deep mathematical understanding in students... more

Minilessons for Extending Addition and Subtraction

Minilessons for Extending Addition and Subtraction

Willem Uttenbogaard, Catherine Twomey Fosnot

(Paperback)

Minilessons for Extending Addition and Subtraction is one of three yearlong resource guides in Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    Minilessons for Extending Addition and Subtraction can be helpful in grades 2–3 as you work with addition and subtraction beyond the basic facts. These minilessons are crafted with computation... more

The California Frog-Jumping Contest DVD

The California Frog-Jumping Contest DVD

Maarten Dolk, Catherine Twomey Fosnot

(DVD)

The DVD features classroom sessions that show students exploring the sequence of investigations and activities found in the popular Contexts for Learning Mathematics algebra unit book The California Frog Jumping Contest.   Extensive classroom video footage allows participants to study children over time, and examine and analyze their development as well as the teacher’s pedagogy.  The user can respond to prompts, create video... more

The T-Shirt Factory

The T-Shirt Factory

Catherine Twomey Fosnot

(Paperback)

The T-Shirt Factory: Place Value, Addition, and Subtraction is one of eight units in the Contexts for Learning Mathematics’ Investigating Number Sense, Addition, and Subtraction (K–3)    This unit begins with the story of Grandma Eudora’s T-Shirt Factory. Grandma Eudora is part of the Masloppy family—a large, endearing family that finds it difficult to keep track of things. Everyone... more

Trades, Jumps, and Stops DVD

Trades, Jumps, and Stops DVD

Maarten Dolk, Catherine Twomey Fosnot, William Jacob, Despina Stylianou, Kara Imm

(DVD)

The DVD features classroom sessions that show students exploring the sequence of investigations and activities found in the popular Contexts for Learning Mathematics algebra unit book Trades, Jumps, and Stops. Extensive classroom video footage allows participants to study children over time, and examine and analyze their development as well as the teacher’s pedagogy. The user can respond to prompts, create video clips and... more

Contexts for Learning Mathematics Level 2 Posters

Contexts for Learning Mathematics Level 2 Posters

Catherine Twomey Fosnot

(POSTER)

Building learning around rich, instructionally sound contexts was an overarching goal during the development of the Contexts for Learning Mathematics series. Throughout the series context is used to set the stage for learning. It establishes a terrain that will intrigue children and ignite their imaginations. The contexts are situations children can imagine—either realistic or fictional—that enable them to reflect... more

Contexts for Learning Mathematics, Level 2

Contexts for Learning Mathematics, Level 2

Catherine Twomey Fosnot

(Bundle)

The new Contexts for Learning Mathematics series by Catherine Fosnot and colleagues from Mathematics in the City and the Freudenthal Institute uses carefully crafted math situations to foster a deep conceptual understanding of essential mathematical ideas, strategies, and models. Investigating Multiplication and Division (Grades 3–5) is the second level in the Contexts for Learning Mathematics series. In this package... more

Minilessons for Early Multiplication and Division

Minilessons for Early Multiplication and Division

Willem Uttenbogaard, Catherine Twomey Fosnot

(Paperback)

Minilessons for Early Multiplication and Division is one of two yearlong resource guides in Contexts for Learning Mathematics’ Investigating Multiplication and Division (3–5)    Minilessons for Early Multiplication and Division is a resource of 75 minilessons that you can choose from throughout the year. In contrast to investigations, which constitute the heart of the math workshop, the minilesson is more guided and... more

Muffles' Truffles

Muffles' Truffles

Antonia Cameron, Catherine Twomey Fosnot

(Paperback)

Muffle’s Truffles: Multiplication and Division with the Array is one of five units in the Contexts for Learning Mathematics’ Investigating Multiplication and Division (3–5)    The focus of this unit is the development of the open array as a model for multiplication and division. This unit uses a series of investigations based on the context of Muffles’ Truffles shop. The questions... more

The Big Dinner

The Big Dinner

Catherine Twomey Fosnot

(Paperback)

In The Big Dinner the preparation of a turkey dinner introduces early multiplication strategies and supports automatizing the facts, using the ratio table, and developing the distributive property with large numbers. Strings of problems guide learners toward computational fluency with whole-number multiplication and build automaticity with multiplication facts by focusing on relationships.

The Teachers' Lounge

The Teachers' Lounge

Catherine Twomey Fosnot, Chris Natale

(Paperback)

The Teachers’ Lounge: Place Value and Division is one of five units in the Contexts for Learning Mathematics’ Investigating Multiplication and Division (3–5)    The focus of this unit is division. It begins with the story of a teacher noticing a service person in the teachers’ lounge fill two different vending machines with beverages. In the first machine, there are bottles of water... more

Contexts for Learning Mathematics Level 3 Posters

Contexts for Learning Mathematics Level 3 Posters

Catherine Twomey Fosnot

(POSTER)

Building learning around rich, instructionally sound contexts was an overarching goal during the development of the Contexts for Learning Mathematics series. Throughout the series context is used to set the stage for learning. It establishes a terrain that will intrigue children and ignite their imaginations. The contexts are situations children can imagine—either realistic or fictional—that enable them to reflect... more

Contexts for Learning Mathematics, Level 3

Contexts for Learning Mathematics, Level 3

Catherine Twomey Fosnot

(Bundle)

The new Contexts for Learning Mathematics series by Catherine Fosnot and colleagues from Mathematics in the City and the Freudenthal Institute uses carefully crafted math situations to foster a deep conceptual understanding of essential mathematical ideas, strategies, and models.  Investigating Fractions, Decimals, and Percents (Grades 4–6) is the third level in the Contexts for Learning Mathematics series.... more

Field Trips and Fund-Raisers

Field Trips and Fund-Raisers

Catherine Twomey Fosnot

(Paperback)

Field Trips and Fund-Raisers: Introducing Fractions is one of five units in the Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents (4–6)    The focus of this unit is the development of fractions. It begins with the story of a class field trip. The class is split into four groups and each group is given submarine sandwiches to share for lunch. Upon returning from... more

Minilessons for Extending Multiplication and Division

Minilessons for Extending Multiplication and Division

Willem Uttenbogaard, Catherine Twomey Fosnot

(Paperback)

Minilessons for Extending Multiplication and Division is one of two yearlong resource guides in Contexts for Learning Mathematics’ Investigating Multiplication and Division (3–5)    Minilessons for Extending Multiplication and Division can be helpful in grades 4–5 as students work with multiplication and division beyond the basic facts. This guide contains 77 minilessons structured... more

The Box Factory

The Box Factory

Catherine Twomey Fosnot, Miki Jensen

(Paperback)

The Box Factory: Extending Multiplication with the Array is one of five units in the Contexts for Learning Mathematics’ Investigating Multiplication and Division (3–5)    The focus of this unit is the deepening and extending of students’ understanding of multiplication, specifically the associative and commutative properties and their use with computation, systematic factoring, and the... more

The California Frog-Jumping Contest

The California Frog-Jumping Contest

William Jacob, Catherine Twomey Fosnot

(Paperback)

The California Frog-Jumping Contest: Algebra is one of five units in the Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents (4–6)    This unit uses the context of the famous short story by Mark Twain— The Celebrated Jumping Frog of Calaveras County —to develop equivalence and its use in solving algebraic problems. The context of a frog jumping along... more

Best Buys, Ratios, and Rates

Best Buys, Ratios, and Rates

Catherine Twomey Fosnot, William Jacob

(Paperback)

Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions is one of five units in the Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents (4–6)    The focus of this unit is the development of equivalence of fractions, proportional reasoning, and rates. It begins with a comparison of the cost of cat food at two stores: Bob’s Best Buys where it is... more

Exploring Parks and Playgrounds

Exploring Parks and Playgrounds

Catherine Twomey Fosnot, Lynn D. Tarlow

(Paperback)

Exploring Parks and Playgrounds: Multiplication and Division of Fractions is one of five units in the Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents (4–6)    The focus of this unit is the development of students’ understanding of multiplication with rational numbers. The context of parks and playgrounds is used to introduce the double number line and... more

Minilessons for Operations with Fractions, Decimals, and Percents

Minilessons for Operations with Fractions, Decimals, and Percents

Willem Uttenbogaard, Kara Imm, Catherine Twomey Fosnot

(Paperback)

Minilessons for Operations with Fractions is a yearlong resource guide in Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents (4–6)    Minilessons for Operations with Fractions, Decimals, and Percents is a resource of approximately 75 minilessons that you can choose from throughout the year. In contrast to investigations, which constitute the heart of the math workshop, the minilesson... more

The Mystery of the Meter

The Mystery of the Meter

William Jacob, John Michael Siegfried, Catherine Twomey Fosnot

(Paperback)

The Mystery of the Meters: Decimals is one of five units in the Contexts for Learning Mathematics’ Investigating Fractions, Decimals, and Percents (4–6)    This unit begins with the story of Zig—who discovers five mysterious dials on the side of his house. The dials are part of the electric meter for his house. At first Zig does not know this and he sets out to investigate how the dials... more

Contexts for Learning Mathematics Level 1 Read-Alouds

Contexts for Learning Mathematics Level 1 Read-Alouds

Catherine Twomey Fosnot

(Bundle)

Building learning around rich, instructionally sound contexts was an overarching goal during the development of the Contexts for Learning Mathematics series. Throughout the series context is used to set the stage for learning. It establishes a terrain that will intrigue children and ignite their imaginations. The contexts are situations children can imagine—either realistic or fictional—that enable them to reflect... more