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.


Quick Overview

A common, useful tool to measure angles, slopes, elevation
  • Availability: In stock
  • Item #: 8-506W
  • Grades: 3-12
Determining heights of trees and buildings or the depth of valleys is simple with this sturdy measuring device.

Students point the Clinometer at the top of a tree or building, pull the trigger, wait for the graduated disc to stop spinning, and then read the angle on the protractor. With this information, students can then calculate height by using the formula found in the included guide.

Made of durable plastic for heavy classroom use.