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.

Operation Integer

Quick Overview

Develops competence in the foundational concepts for success in algebra!
  • Availability: In stock
  • Item #: 284730W
  • Grades: 6-12
The Operation Integer Game develops competence in adding, subtracting, multiplying, and dividing integers, the foundation for success in algebra!

The game is adaptable to offer practice with any one of the basic operations or all four in combination!

Four activity masters offer patterns and a number line model to guide players in discovering and understanding the rules of signs.

For 2-4 players.
WARNING: CHOKING HAZARD--Small parts Not for children under 3 yrs.