Thank you for purchasing the thinkingMath@onSponge books.

thinkingmath booksThe Conquer Problem Sums and Essential Problem Solving Skills were developed based on a defined pedagogy and curriculum structured according to the Singapore MOE syllabus as well as the school examination trends observed by the onSponge development team. Users of the thinkingMath series, along with the guidance of trained coaches, will experience an improvement in their problem sum solving skills.

Comparison between Conquer and Essential series

Features

Conquer Problem Sums

Essential Problem Solving Skills

Topical approach in accordance to MOE syllabus

Yes

Yes

Each topic is supplemented by +hinkingMath strategies / concepts in problem solving.

Yes

Yes

“Let’s Get Started” section to detail the fundamentals of strategies /concepts before actual problem solving.

No

Yes

“Let’s Learn” section to showcase application of strategies/concept through worked example.

Yes

Yes

“Let’s Think”  section to test understanding of concepts/strategies covered and develop cognitive appreciation of the problem solving concepts

No

Yes

“Let’s Practise” section with up to 6 questions in each unit. Questions are scaffold by increasing level of difficulty.

Practice questions are of mixed level of  difficulty

Practice questions are arranged in increasing level of difficulty.

Review Questions at the end of selected chapters for reinforcement of concepts covered.

No

Yes

FAQ

Should I use both books?

The 2 series of thinkingMath workbooks complement each other given that they both cover the topics required in preparation for PSLE and enhance problem sum solving through the effective use of mathematical strategies/concepts for better performance in examination. As the questions in both series are unique, users will gain confidence with more practices when using both books. Users are recommended to start with Essential Problem Solving Skills then followed up with more practices through Conquer Problem Sums.

Why are the solutions not found in the back of the main book?

onSponge has published the solutions in a separate booklet to cater for the increasing variety of customers' specific usage.

For schools using the thinkingMath books in class, the teachers will receive the answer booklet for reference. In addition, answer booklets will be provided to each student at the request of teachers.

For on-line orders placed through www.onsponge.com, a hard copy of the answer booklet may be purchased for $2 to be self-collected or delivered with your order. Alternatively, you may download a PDF copy at no charge for personal use on your computer, tablet or other electronic device. You may print out a copy for your own use.

Please be reminded that the answer booklet is copyrighted material and no further reproduction and/or distribution is permitted in whole or in part without the prior written permission of onSponge Pte Ltd.

I lost my answer booklet, do I need to purchase another thinkingMath book from onSponge?

No.  The answer booklet is available online.  You can simply download the PDF copy and print as required for your own personal use.  Alternatively, if you prefer a printed copy from onSponge, you may purchase a copy from the onSponge shop at a nominal fee of $2 plus delivery costs.  

Please be reminded that the answer booklet is copyrighted material and no further reproduction and/or distribution is permitted in whole or in part without the prior written permission of onSponge Pte Ltd. 

How can I get updates to the thinkingMath books or view the errata?

By entering your email address below and selecting your preferences for updates, onSponge will notify you of any changes or updates to the errata. 

Do the onSponge thinkingMath books follow the latest MOE syllabus?

Yes. All of onSponge's thinkingMath books follow the latest MOE syllabus.   

How can I get further assistance with the onSponge books or problem sums in general?

onSponge provides a community forum where you can post questions from the thinkingMath books, your child's school exam papers, or other questions as desired and the onSponge staff, Oodles Learning coaches or other community members will be happy to assist. You can visit the forum by clicking this link.  If you would like further information on Oodles Learning, onSponge's preferred tuition partner, you may visit www.oodleslearning.com.

Why do I need to enter my child's details when requesting the solutions to the book?

onSponge strives to provide resources to meet the needs of your child.  To best achieve that, it is important that we understand more about those students using the books. While we have asked for your child's name, this detail has not been made manadatory.  Any information provided to onSponge will remain confidential and shall only be used in aggregate with the aim of improving the quality of our resources. 

Please complete the form below and click SUBMIT to view/download the answer booklets

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