on web orders over $99 - click for details

Receive FREE SHIPPING on any order over $99 shipped in the contiguous US. No promo code is required to receive the offer.

The order total for free shipping is calculated after any discounts are applied.

Free shipping valid ONLY on orders placed on the Didax website.

Orders containing Eureka Math Kits DO NOT qualify for free shipping.


You have no items in your shopping cart.

Product was successfully added to your shopping cart.

Open Number Line

  • Availability: In stock
  • Item #: 573955W
  • Grades: K-5
This open number line is ideal for a wide-variety of activities and grade levels.

The line consists of two thick write/on-wipe/off plastic strips that measure 391/2" (1 m) each. The number line is divided into 100 partitions alternating between ten white and ten red partitions.

Also includes adhesive magnets (10 pieces) for easy mounting.