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Understanding Knowledge Checks

Find out why knowledge checks are an essential part of the learning process and how they actually reduce student workload.



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Tech Support Representatives

Visit the ALEKS Customer Support contact page  or contact us below: Hours of Operation: Sunday: 4:00 PM to 1:00 AM EST Monday-Thursday: 7:00 AM to 1:00 AM EST Friday: 7:00 AM to 9:00 PM EST phone icon   Phone: (800) 331-5094 Online icon   Online: Submit a Support Request Chat icon   Chat: Chat with a Representative

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Looking for new course materials, need a desk copy, or want to talk about new McGraw Hill products? Locate contact information for your McGraw Hill sales representative.

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Customer Service Team

Contact customer service for questions regarding pricing, orders, shipping, or returns.

Visit the Customer Service Online Support Center or contact us below:Hours of Operation:Monday-Friday: 8:00 AM to 6:00 PM ET phone icon   Phone: (800) 338-3987 fax icon   Fax: (800) 953-8691 mail icon   By Mail:    McGraw Hill   P.O. Box 182605   Columbus, OH 43218