Your request for updates and/or notifications has been sent to the onSponge team. You may click on the following links to download a PDF copy of the solutions. Please be reminded that the answer booklets are copyrighted material and that by downloading one or more of the booklets you agree that no further reproduction and/or distribution is permitted in whole or in part without the prior written permission of onSponge Pte Ltd.
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You may want to click on the following to learn more about thinkingMath, check out upcoming workshops and get homework help!
Your request for updates and/or notifications has been sent to the onSponge team. You may click on the following links to download a PDF copy of the solutions. Please be reminded that the answer booklets are copyrighted material and that by downloading one or more of the booklets you agree that no further reproduction and/or distribution is permitted in whole or in part without the prior written permission of onSponge Pte Ltd.
Thank you for purchasing the Essential Problem Solving Skills (EPSS) book. The EPSS books are the latest additions to onSponge's leading thinkingMath series found in most primary schools in Singapore. This new series raises the benchmark for supplementary primary school math books by introducing:
pre-exercises to prepare students for solving sums in a particular unit
worked examples to demonstrate the concepts being taught
guided questions that help students analyse the problem and concepts in the problem sum
scaffolded questions allowing students to master the easier questions before proceeding to the more challenging
topical review questions that mix and combine concepts to test the students' overall understanding
a flexible approach to meeting the needs of both the schools and parents as it relates to the provision of full solutions
EPSS FAQ
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 EPSS 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 $1 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 EPSS 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 $1 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 EPSS 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 EPSS 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 EPSS 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
Thank you for purchasing the thinkingMath@onSponge books.
The 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
Thank you for registering for the Complimentary Parent Sharing Session. We have received your request and will revert to you via the email provided on the date and timing that you will be attending.
For further assistance, please write to admin@onsponge.com.
The 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.