Illustrative Mathematics
Illustrative Mathematics: 4.oa Double Plus One
This task is meant to be used in an instructional setting. The task encourages young scholars to develop the habit of looking for patterns that might hint at some underlying structure as described in Standard for Mathematical Practice 7,...
Better Lesson
Better Lesson: Smiley Faces and Up
Automaticity with patterns that allow students to easily manipulate larger numbers is the aim of this lesson.
University of Cambridge
University of Cambridge: Nrich: Adding Plus
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Sums and Differences to 10
A guide to support parents as they work with their students in sums and differences to 10.