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For over two decades we have been making continuous adaptions and improvements to the Singapore math options available to U.S. schools and home educators.
The Dimensions Math series comes from listening to what educators and parents want from an elementary mathematics curriculum.

Accessible to All

While developing this program, we kept in mind the budget and resource constraints many districts are facing. The materials are priced fairly so that schools and home educators do not have to give anything up to use this effective curriculum.

Lessons are sequenced so that each new concept is fully supported with previous material. Extension and practice activities are included in Teacher’s Guides, freeing up hours typically spent on preparing external materials.

Blackline Masters are included in the program and are available to print as needed.

Why Singapore Math?

The progression, rigor, and pacing of Singapore math complement the way a student’s brain develops. Singapore math introduces concepts intentionally, allowing for deep exploration, and encouraging students to embrace mathematics.

Proven Results

Singapore math encourages students to take an active role in their learning through productive effort, perseverance, and classroom engagement.

The three-tiered Concrete-Pictorial-Abstractapproach, referred to as the CPA Approach, is central to the curriculum. Research shows that the introduction of new math topics is most effective when moving sequentially through these phases.

In Singapore, students are taught that they can all excel in math. Students perform at a higher level when their potential for understanding and success is assumed. An attitude that math is important is also essential.

Evidence-based

Two international tests, the TIMSS (Trends in International Mathematics and Science Study) and the PISA (Programme for International Student Assessment), assess math and science competency in countries around the world.

Singapore students consistently rank among the top on both tests. Dimensions Math curriculum aims to raise U.S. student performance internationally and at home on standardized national and state assessments.

How does it work?

The Dimensions Math series is designed to better serve U.S. educators and students. We’ve updated aspects of Singapore math curriculum for clarity and relevance, while preserving the solid foundation that makes it unique.

In the Dimensions Math program, concepts are introduced and explained in a new format with vibrant imagery. The implementation of this curriculum suits today’s needs, while the progression and scope that define Singapore math remain intact. The role of the educator is very important in this curriculum.

Dimensions Math lessons begin with a task that gives students a chance to learn through discussion and apply their prior knowledge. They make connections to previous lessons and approach each new idea with the confidence that comes from a deep understanding of mathematics. The lessons progress with systematic variation. After students learn a variety of strategies, they are given increasingly complex problems to apply their knowledge.

Textbooks & Workbooks

Dimensions Math lessons build on prior knowledge, and develop familiar concepts in an accessible way.

Textbooks: A Glimpse

Throughout the series, five characters offer suggestions on how to think about problems, remind students of strategies they’ve learned, and point out important information to encourage students to come up with their own solutions.

Lessons begin with a problem for students to solve, setting the stage for discussion. Students who need additional support can spend more time working with manipulatives or using other strategies as outlined in the Teacher’s Guide, while teachers can listen for common misunderstandings and encourage students to solve problems in various ways until they internalize concepts.

Example of Lesson Flow

In Dimensions Math Textbook 1B Chapter 17 Lesson 7, shown in the gallery to the right, students learn to subtract from tens. The lesson opens with a Think activity, which uses everyday objects (or manipulatives) to get students to think concretely about the concepts. The Teacher’s Guide explains how to remind students of relevant previously-learned knowledge.

After spending some time with hands-on activities or word problems, the lesson progresses to the Learn portion, in which students see a pictorial representation directly related to the concrete phase of the lesson. Students will continue to make connections to the illustrations, manipulatives, and the numbers while they fully explore the expression 70−6. Then, they move on to some practice exercises in the Do portion of the lesson, in which problems are carefully selected to encourage perseverance and growth.

Dimensions Math workbooks offer independent practice while maintaining the careful progression of exercise variation.

Workbooks: A Glimpse

In Dimensions Math® Workbook 1B, the corresponding exercise for Chapter 17 Lesson 7 starts with simpler problems and progresses to more challenging problems. A thoughtful progression pattern followed throughout the series covers the fundamental concepts, offers practice exercises with pictorial representations, and challenges students with abstract exercises.

Teacher’s Guides

In Dimensions Math Teacher’s Guides, lessons are laid out clearly with suggested teaching notes and activities to achieve lesson objectives. They also include activities for the whole class, small groups, and extension.
  • Concise objectives allow for straightforward lesson planning.
  • Think offers structure for teachers to guide student inquiry, and provides various methods and activities to solve initial textbook problems or tasks.
  • Learn guides teachers to analyze student methods from Think to arrive at the main concepts of the lesson through discussion and study of the pictorial representations in the textbook.
  • Do expands on specific problems with strategies, additional practice, and remediation.
  • Workbook referrals provide information for teachers to direct students to corresponding practice components.
  • Student textbook pages allow teachers to follow along with the class. Answers for student problems are printed in the Teacher’s Guides with further explanations where needed.
  • Extend boxes provide ideas and activities to challenge the high achievers in the classroom.
  • Small group activities allow students to work with each other and have fun.

Digital Resources

Gain access to Blackline Masters, materials lists, standards alignments, and more.

Dimensionsmath.com also offers Letters Home, music videos, series scope and sequence, and journal tips and prompts. Stay up to date with our blog, and find us at events.

Grade 6 – 8

Dimensions Math PK–5 will prepare students for a rigorous middle school math program, like Dimensions Math® 6–8.

We know that the transition to middle school is an important step for students. With Dimensions Math® PK–5, students will be primed for a rigorous middle school math program, such as Dimensions Math® 6–8.

Dimensions Math® PK–5 and Dimensions Math® 6–8 are unique programs, both written to adhere to the Singaporean syllabus for U.S. classrooms. Dimensions Math® 6–8 is available at singaporemath.com.

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Dimensions Math<sup>®</sup>Textbook 4A
Dimensions Math®Textbook 4A

Available in 2019
Dimensions Math<sup>®</sup>Textbook 4B
Dimensions Math®Textbook 4B

Available in 2019
Dimensions Math<sup>®</sup>Teacher's Guide 4A
Dimensions Math®Teacher's Guide 4A

Available in 2019
Dimensions Math<sup>®</sup>Teacher's Guide 4B
Dimensions Math®Teacher's Guide 4B

Available in 2019
Dimensions Math<sup>®</sup>Textbook 5A
Dimensions Math®Textbook 5A

Available in 2019
Dimensions Math<sup>®</sup>Textbook 5B
Dimensions Math®Textbook 5B

Available in 2019
Dimensions Math<sup>®</sup>Teacher's Guide 5A
Dimensions Math®Teacher's Guide 5A

Available in 2019
Dimensions Math<sup>®</sup>Teacher's Guide 5B
Dimensions Math®Teacher's Guide 5B

Available in 2019
Dimensions Math<sup>®</sup>Workbook 4A
Dimensions Math®Workbook 4A

Available in 2019
Dimensions Math<sup>®</sup>Workbook 4B
Dimensions Math®Workbook 4B

Available in 2019
Dimensions Math<sup>®</sup>Workbook 5A
Dimensions Math®Workbook 5A

Available in 2019
Dimensions Math<sup>®</sup>Workbook 5B
Dimensions Math®Workbook 5B

Available in 2019
Subitizing Dice, Set of 6, 3 Red/3 Blue
Subitizing Dice LA7399
Price $4.00

MN7399
Five Frames, Foam, Set Of 4
Five Frames, Foam, Set Of 4 LA7406
Price $7.00

MN7406
Dimensions Math<sup>®</sup> Textbook 1A
Dimensions Math® Textbook 1A
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Textbook 1B
Dimensions Math® Textbook 1B
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Textbook 2A
Dimensions Math® Textbook 2A
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Textbook 2B
Dimensions Math® Textbook 2B
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Textbook 3A
Dimensions Math® Textbook 3A
Regular Price $12.00
Launch Price $9.98

Available in August
Dimensions Math<sup>®</sup> Textbook 3B
Dimensions Math® Textbook 3B
Regular Price $12.00
Launch Price $9.98

Available in December
Dimensions Math<sup>®</sup>  Textbook Pre-KA
Dimensions Math® Textbook Pre-KA
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Textbook KA
Dimensions Math® Textbook KA
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Textbook KB
Dimensions Math® Textbook KB
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Textbook Pre-KB
Dimensions Math® Textbook Pre-KB
Regular Price $12.00
Launch Price $9.98

Available Now
Dimensions Math<sup>®</sup> Workbook 1A
Dimensions Math® Workbook 1A
Regular Price $12.00
Launch Price $9.98

Available Now