on web orders over $99 - click for details

Receive FREE SHIPPING on orders over $99 placed on the Didax website and shipped within the contiguous US. No promo code is required to receive this offer.

The order total for free shipping is calculated after any discounts are applied. Orders containing Eureka Math Kits DO NOT qualify for free shipping.

Free shipping valid ONLY on orders placed on the Didax website shipped within the contiguous US. Our regular shipping policies applies to other orders.


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Write-On/Wipe-Off Mats

Great for practicing key math concepts with children from kindergarten through high school, these mats are made of tough, flexible plastic. Available in sets of 10, or save with our larger sets of 30 and 100!

Save 20% on Write-On/Wipe-Off Mats
Use promo code "Mats17" at checkout to receive discount.
Offer expires April 19, 2017. Cannot be combined with other offers.

Counting & Operations