This resource is from Tools4NCTeachers.This lesson calls for students to verbalize that ten objects is the same as a set of ten. They will compose teen numbers as ten ones and some extra ones, and combine the amounts on and off the ten frame to make a total.Remix this lesson to add accompanying math centers, extension ideas, or samples or student-work.

This resource is part of Tools4NCTeachers.

A Number Talk is a brief routine (about 10 minutes) focused around developing flexibility and fluency with numbers. Through regular opportunities to work with dot images and expressions, students develop an understanding of number relationships and structure. This supports the development of early fluency skills.

This PowerPoint contains presentation slides for daily Number Talks, as well as directions and videos for implementation. Teachers may facilitate the Number Talks on these slides, or use them to inspire their own Number Talks based on student need.

This resource is from Tools4NCTeachers.This lesson calls for students to organize a group of objects into ten ones and some extra ones. They will develop an understanding of how ten ones and some extra ones can be combined to make a total. Students will count on from ten to determine how many there are all together in a group.  

This resoruce is from Tools4NCTeachers.Second graders use a variety of strategies based on place value and number relationships to add and subtract multi-digit numbers.  The first attachment in this resource outlines strategies for adding 3-digit numbers, and the second attachment outlines strategies for subtracting 3-digit numbers.Second graders are not taught the standard algorithm. 

This resource is part of Tools4NCTeachers.

In this task, the teacher pretends to have some groups of ten cubes and some leftover. The Student must state the total quantity. A scoring rubric is included. The task may be used for instructional or assessment purposes.