Advertisement
Remove ad
This activity requires students to estimate differences from 1000. Immediate feedback is given.
Advertisement
Remove ad
8/13/25 - As we start our 23rd school year online, MrNussbaum.com is better than ever for 2025–26! New games, fresh activities, and even more interactive learning are waiting for you. For just $29 a year, you’ll have unlimited access to thousands of teacher-approved resources in an ad-free environment your students will love. Subscribe today and start the school year ahead! Use the coupon code "schoolisback" for an additional 15 percent off your subscription.
Upgrade to MrNussbaum Premium to access our entire library of incredible educational resources and teacher tools in an ad-free environment.