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In this lesson, students explore place value concepts with two-digit numbers as they build and discuss numbers with more ones than tens and more tens than ones.

This resource is part of Tools4NCTeachers.

In this lesson, students strategically create and order two-digit numbers on their game boards to develop the concept of place value.

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In this lesson, students use ten frame cards to compose numbers within 100 and compare numbers.

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Arrow cards are a great tool for developing an understanding of place value! In this lesson, students explore making numbers with place value materials and arrow cards. The develop the concept that the digits of a number represent amounts of tens and ones.

This resource is part of Tools4NCTeachers.

Arrow cards are a great tool for developing an understanding of place value! In this lesson, students explore making numbers with place value materials and arrow cards. The develop the concept that the digits of a number represent amounts of tens and ones.

This resource is part of Tools4NCTeachers.

In this lesson, students build fluency with recognizing and creating representations of numbers within 100. Students deepen their place value understanding as they work with ten frame cards. There are several variations built into the lesson for number ranges and response options.

This resource is from Tools4NCTeachers. This file contains a set of 8 tasks (including scoring rubric and support materials).  The tasks may be used for instruction or assessment.  The tasks focus around representing, interpreting and reading 3-digit numbers based on place value.Remix this resource to include student work samples or addtional tasks.

This resource is from Tools4NCTeachers.In second grade, students learn to add and subtraction using strategies based on place value and number relationships.  They use a variety of representations such as base ten drawings and number lines.  Second graders do not learn the standard algorithm.  This resource outlines second grade addition and subtraction strategies 

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In this lesson, students use number cards to create the highest two-digit numbers possible to develop the concept of using place value to compare numbers.

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This file contains several tasks assessing standards OA.1 and NBT.6, and MD.8. Each task is a separate attachment with its own materials and scoring rubric. This assessment may be used for instructional or assessment purposes.

This resource is part of Tools4NCTeachers.

In this lesson, students work with double ten frame mats to represent and develop understanding of teen numbers.

This resource is part of Tools4NCTeachers.

In this lesson, students use ten frames to represent and compare two-digit numbers.

This resource is part of Tools4NCTeachers.

The purpose of this lesson is to provide an opportunity for students to solve a subtraction problem that requires regrouping. It explores the idea of decomposing numbers through regrouping. Ideally, this lesson should span over 2-3 days to allow students time to fully explore this critical concept.

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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.

This link goes to an interactive orchestra you can use with any age group. It breaks it down into the instrument families and then by instrument. (Conductor included)