The Trick Center is now a subscription based service. For only \$30 per academic year, students and teachers can access the most up-to-date resource for Number Sense on the Internet.The Trick Center will be continuously updated through the year to provide you with more tricks to cover current and expanding topics on the Number Sense test.
Samples
The following are samples from the Trick Center. Enjoy. You will need a .pdf reader to view/print these tricks.| Trick | Level |
| Multiplication by 11 | EMH |
| Multiplying a times a/b | MH |
| Sum of Squares | MH |
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