A Division of Houghton Mifflin Harcourt Heinemann

Contexts for Learning Mathematics, Level 2

Catherine Twomey Fosnot, City College of New York

ISBN 978-0-325-01053-3 / 0-325-01053-6 / 2007 / 560pp / Bundle
Imprint: FirstHand
Availability: In Stock
Grade Level: 3rd - 5th
*Price and availability subject to change without notice.

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List Price: $218.75
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NOTE: The CDs are compatible with Windows XP, Vista, Windows 7, and Mac OS X up to 10.6. They are not compatible with Mac OS X 10.7 (Lion) or above.


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 five classroom-tested units explore with increasing sophistication big ideas in multiplication and division including systematic factoring, the distributive, associative, and commutative properties, as well as their use in computation. 17 posters (15” x 24”) use rich imaginable contexts—realistic and fictional—to set the stage for learning. Two resource guides containing strings of related minilessons support instruction throughout the year and are ideal for differentiating instruction. An overview book and CD-ROM provides professional support with print and video resources for your math workshop.

The series’ 18 classroom-tested units are organized into three age-appropriate packages.

• Investigating Number Sense, Addition, and Subtraction (Grades K–3) supports the development of such fundamental topics as place value, compensation and equivalence, addition and subtraction on the open number line, and the efficient use of five- and ten-structures.
• Investigating Multiplication and Division (Grades 3–5) explores with increasing sophistication big ideas in multiplication and division including systematic factoring, the distributive, associative, and commutative properties as well as their use in computation.
• Investigating Fractions, Decimals, and Percents (Grades 4–6) examines fundamental topics such as equivalence of fractions, how to multiply and divide with fractions, proportional reasoning, rates, and the ordering of decimals.

Whether used as supplemental units or as replacement units, Contexts for Learning Mathematics provides you with the tools you need to engage all of your students in the study of mathematics. tools.

To learn more about Contexts for Learning Mathematics, please visit http://www.contextsforlearning.com.

Investigating Multiplication and Division (Grades 3–5) is organized around five classroom-tested units.

Groceries, Stamps, and Measuring Strips: Early Multiplication
by Frans van Galen and Catherine Twomey Fosnot
Groceries, Stamps, and Measuring Strips uses baker’s trays, patio tiles, and other real-world resources to introduce fundamental multiplication strategies. The careful arrangements of these resources invite repeated addition, skip-counting, and doubling strategies, as well as introduce the language of grouping. Measurement strips are used to explore the relationships between products.

The Big Dinner: Multiplication with the Ratio Table
by Catherine Twomey Fosnot
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.

Muffles’ Truffles: Multiplication and Division with the Array
by Antonia Cameron and Catherine Twomey Fosnot
A chocolatier’s efforts to cope with the operational challenges of running a truffle shop (counting, pricing, and labeling assorted boxes of chocolates) in Muffles’ Truffles introduces students to the open array as a model for multiplication and division. A series of investigations explore place value—the multiplicative structure of our base-ten system and quotative division—and big ideas in multiplication, including the distributive, associative, and commutative properties.

The Teachers’ Lounge: Place Value and Division
by Chris Natale and Catherine Twomey Fosnot
The stocking of water and juice vending machines in The Teachers’ Lounge introduces big ideas related to division. As students consider different ways to inventory the contents of each machine, they employ a repertoire of strategies, including the use of the ten-times strategy, partial products and partial quotients, the associative property, and the distributive property of multiplication over addition— the basis for the long-division algorithm.

The Box Factory: Extending Multiplication with the Array
by Miki Jensen and Catherine Twomey Fosnot
The focus of The Box Factory 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 extension of students’ understanding of two-dimensional rectangular arrays to three-dimensional arrays within rectangular prisms. The concepts are explored within the context of a box factory where boxes are designed to meet specific size and space requirements.

In Depth

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Email planningservices@heinemann.com if you would like to contact Catherine Twomey Fosnot directly about professional development support.

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