Second graders solve change unknown story problems using a number line. This lesson gives students a new strategy to attach change unknown word problems.

Third graders can solve multiplication and division problems quickly by recognizing the relationship between the two operations.

The big idea of this lesson is to have students write their own word problems to help them have a better understanding of mathematical operations, as they relate to real-world scenarios. Pictures and videos of the lesson in the process...

Numbers don't stop at 20! We spend the last week or so of school looking at the numbers beyond 20. Today we do it by looking at the number line.

Do you know where a number would be? Can you use a number line as a tool to solve problems?

This lesson is an informal assessment of student understanding of the base ten system, a critical area in the Common Core.

At the end of the year, a lot is going on in our classroom. We continue our center routine for additional practice and to allow for end of the year testing to be completed.

It is important to assess students periodically to plan for future lessons to meet student needs.

This lesson plan provides an opportunity for visual learns to think about segments of time during the school day.

Children need to move from the manipulative expressions of the distributive property into the mathematical equations eventually. This lesson is the first step in leading them to that goal.

Second graders can find patterns in 4-digit numbers that will help them when counting over decades and centuries.

Second graders will become more comfortable making sense of equations presented in missing answer (traditional) and missing number ( nontraditional) formats.

When subtracting ten from a 2 digit number, 2nd graders should be able to compute the answer as fluently and comfortably as do when they add ten to a 2 digit number.

Angle description is an abstract idea for students. This lesson gets them moving around and "experiencing" triangles.

SWBAT be part of a team and successfully play a game with a partner, practicing the norms that have been established. SWBAT successfully explore three of the math tools that they will be using throughout the year.

I want my students to realize that numbers are everywhere and math is applicable to almost all other subjects. Geography offers a perfect opportunity for students to make this connection.

Patterns are prevalent in all levels of math. Common Core Standards expect students to be able to use structure - like that found in repeating the patterns of odd and even numbers or counting by 5s or 10s - to solve problems (MP7).

To make sense of numbers in the thousands, 2nd grade students need practice identifying place value positions and using place value strategies in numbers to 1,000.

Children need to understand why the mathematical properties work and how they are applied. In this lesson plan, we explore modeling and "proving" the associative property. In this lesson plan, we explore modeling and "proving" the...

Second graders love to talk about pets and in this lesson plan they can share how many pets they have.

The connection between subjects is an important one to establish for students. Communicating across subjects is part of the Common Core expectations.

Children will learn the term variable and then work to "attack" a problem using what they know about the relationship between multiplication and division to solve for an unknown.

The children have been practicing decomposing areas and now digits in order to understand and use the distributive property.

Common Core standards encourage the use of models to build understanding in math. This instructional activity shows sometimes reluctant 2nd graders that models are helpful tools in solving mathematical problems.