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.


You have no items in your shopping cart.

Product was successfully added to your shopping cart.

Desk Number Line Strips(-20 to +20), 35

Quick Overview

Set of 35 lines for teaching counting & number concepts!
  • Availability: In stock
  • Item #: 573930W
  • Grades: K-4
Use as a model for teaching counting and number concepts.

Each number strip features an easy remove/replace adhesive and is coated for write-on/wipe-off activities.

Measures 1" x 21".

Set of 35 lines.
WARNING: CHOKING HAZARD--Small parts Not for children under 3 yrs.