In this musical lesson plan, students will learn how to use counting aides when extending the number sequence to 100! Can be used as a stand-alone or support lesson plan for the Musical Numbers lesson.

Get your students synthesizing various subtraction strategies as they work with a partner to solve word problems. This lesson can be used alone or with the lesson plan Show Me the Money! Two-Digit Subtraction.

Introduce place value to your emerging mathematicians while focusing on the numbers 11–20. In this lesson, students will practice separating teen numbers into 10 ones and some additional ones using unifix cubes and ten frames.

Students will learn out how to partition a rectangle using by partitioning shapes with rows and columns.

What does it feel like to take 120 steps? In this lesson, students practice counting and completing word problems up to 120.

Students put their understanding of one and 10 more to work as they write word problems for classmates to solve. This lesson plan can be used alone or with Picture Addition.

Dive deep into word problems with this lesson that teaches students to sketch base-ten blocks to add multiples of 10 and two-digit numbers. Use alone or with the lesson plan Let's Build It! Two-Digit Addition.

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

It’s magic! In this lesson, students will “magically” move shapes together to form new shapes. Clay and toothpicks equal hands-on fun! Tangram challenges are provided for those students who need that little extra challenge.

Help your students use rulers in the classroom with this lesson! Encourage them to measure items around them using centimeters to understand shapes and sizes.

In this lesson, students will have fun creating addition sentences by drawing and counting ladybug dots.

Students sketch base-ten blocks in this lesson that builds both number sense and fluency adding to 20!