Singapore Primary Math Teacher’s Guide 2A – U.S. Edition ***Publication Error***



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Unit 4 – Numbers to 1000 – Addition and Subtraction within 20 
Unit 4 – Numbers to 1000 – Addition and Subtraction within 20 
Unit 5 – Multiplication and Division – Multiplication 
Unit 5 – Multiplication and Division – Multiplication 

Primary Mathematics U.S. Teacher’s Guides provide, in both flexibility and detail, a clear framework for the Primary Mathematics textbooks. Each lesson is accompanied by numerous activities which expand and reinforce the concepts for that lesson and which are designed to fit both teachers who wish to adapt lessons to their own classroom situation, and teachers who desire easy-to-follow, effective teaching strategies. Through the notes to the teacher and the detailed objectives for each learning task in the text and activity in the guide, these Teacher Guides help teachers to fully understand the purpose and concept behind each set of problems, both within the context of the unit and the context of the overall curriculum.

This new edition is a revision and reformatting of the previous edition. Each lesson contains clear objectives, background notes, and a suggested lesson plan in an easy-to-follow format. Some lessons include optional reinforcement and enrichment activities, when appropriate. Answers, as well as worked out solutions for many problems, are provided for both the textbook and workbook.

This version of Teacher’s Guide cannot be used with Primary Mathematics Standards Edition or Common Core Edition books.


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Product Description

***Publication Error***

The Curriculum

The original Primary Mathematics curriculum was created by the Singapore Ministry of Education and written by a team of Singapore teachers. Singapore 4th grade students who participated in TIMSS (Trends in International Mathematics and Science Study) in 1995, 1999 and 2003 scored top place for mathematics. They were using the Primary Mathematics series.

There are currently three editions of Primary Mathematics series in the U.S. All three have been used successfully in U.S. schools and homes.

Primary Mathematics follows the five key learning models integrated in the Singapore math approach: Concrete-Pictorial-Abstract approach, model drawing, teaching to mastery, spiral progression and metacognition.

The Components

Primary Mathematics series of elementary math textbooks and workbooks is meant to be part of a system of learning in which adult supervision and independent practice go hand in hand. Students are provided with the necessary learning experiences beginning with the concrete and pictorial stages, followed by the abstract stage to enable them to learn mathematics meaningfully. This approach encourages active thinking process, communication of mathematical ideas and problem solving, which helps develop the foundation students will need for more advanced mathematics.

Practice exercises are designed to provide the students with further practice after they have done the relevant workbook exercises. Review exercises are provided for cumulative reviews of concepts and skills. All the practice exercises and review exercises are optional exercises.

The teacher’s guides are designed to help teachers understand the course material and prepare for the day’s lessons. The lessons have been developed according to the approach and methodology central to the series. Detailed, step-by-step lesson plans and introductory content are provided to assist teachers in using the Primary Mathematics programs.

Additional Information

Weight .552 kg
Dimensions 9 × 11.3 × .3 in



Singapore Math Inc, USA






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