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FAQ

How can I pay with a credit card?

You may place an order through our website, and customer service representative will call you for credit card information. Or you may dial 877-234-7323 press option 1, and then press option 2, and place your order over the phone.

How can I submit a PO?

Either place your order through our online store, and upload the PO, or send your PO to orders@mathsolutions.com.

How long will my order take to arrive?

Please allow up to 15 business days for your order to arrive.

For questions on order status, email interventionsolutionsinquiries@hmhco.com.



My school is tax exempt. How can I make sure we aren’t charged tax?

Please submit your order along with your tax exempt certificate to orders@mathsolutions.com.


How much will my shipping cost be?

Inside the Continental United States
For orders shipped inside the continental United States, standard shipping charges are as follows:

  • 10.5% of order subtotal

I forgot to enter a promotion code. How can I have it applied to an order I already submitted?

Please contact InterventionSolutionsInquiries@hmhco.com with your order information (order #, product ordered), and let them know what code you are trying to use. The order must have been placed within a week to receive the discount.

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