Do you find the the new math standards confusing? Has your school adopted a new math curriculum that you are struggling to teach or embrace? Would you like a deeper, more connected understanding of important concepts, strategies and teaching methods?

Then join Greg at one of his 142 workshops during the 2019-20 school year. Teachers, principals and math coaches rave about Greg’s ability to clearly communicate critical concepts. He is known for re-energizing entire teaching staffs, schools and districts.

Email us at:
Math Plus KC
Author Visits
Seattle Institute

Frequently Asked Questions

Can I pay with a credit card?
Yes, we accept onsite credit card payments. After completing your registration information you will be taken to the payments page where you can complete your registration using your credit card. You will receive an email once your payment has been processed.

Can I register using a purchase order?
Of course! We know that many districts will only allow workshop registration using purchase orders. Once you complete your registration information, you will be taken to a page to complete your payment information. Your registration is not confirmed until you enter your purchase order information or complete purchase with credit card. If you do not have a PO # at the time of registration, enter "email" in the PO # field and send us an email at to confirm your registration. You can email, fax or mail your PO to the information below. Payment is preferred prior to the event.

When is my payment due?
Payments are due prior to the event. We do accept cash, check and all major credit cards on-site at the workshop.

Do you offer group discounts?
We offer discounts for most of our workshops. For the 2019-2020 one-day workshops we have discounts available for groups of 3 or more, pricing and availability is listed on the registration page.

I am unable to attend. Can someone take my spot?
Yes, you can switch out attendees at any point leading up to the conference. Just send us a quick email to with the name of the attendee who is unable to join, and the name, grade level, and email address of their replacement.

What happens if I have to cancel?
We understand there are times where you may be unable to attend a conference you have registered for. If cancellation is done more than 30-days from the event, we will refund your registration cost minus a $100 administration fee. There are no refunds for cancellations within 30-days of the event. We will waive the cancellation fee by holding the balance paid to a future workshop hosted by Tang Math LLC.

Can I get an invoice for my registration?
When you complete your registration, an automatic confirmation email is sent to the email address listed as the payment contact. This email includes a link to download your invoice. We would be glad to send you an invoice for your registration if you have not received it. Write to us at with the primary registrant’s name and we will email you an invoice.

Are you a vendor for my district?
There is a good possibility we have been added as a vendor in your district for a previous workshop, if so we would be listed as "Tang Math, LLC". If we are not listed as a vendor, we would be glad to provide you the information you need to have us added. Email us at and we will send over the required tax form. Our contact information is listed below.

Do you offer college credit for this workshop?
Our 1-day workshops are eligible for .5 units of course credit through Humdoldt State University at the cost of $50 per unit ($25 for .5 credit). These courses are offered primarily for elective or professional development purposes.

What time is the conference?
Check-in for our 1-day events starts at 8:00am, the workshop will begin at 8:30.

May I record a session at the conference?
Audio or visual recording is not permitted at any workshop or seminar due to copyright/trademark issues.

What is your contact information?

Company name:Tang Math LLC
Mailing address:PO BOX 777850
 Henderson, NV 89077
Phone Number:858-244-0498
Fax Number:858-408-2986