Teach your students to add and subtract time using number lines. Your class will be gladly moving backwards and forward to the minute solving for related word problems.

Teach your students to calculate fractions of 100 using a number line model.

Students will learn to model mixed number subtraction with manipulatives using this hands-on lesson plan.

Use this lesson to support students in understanding the symbols used to record numbers. This lesson can be used alongside Comparing Three-Digit Numbers or as a standalone, scaffolded EL support lesson.

With this lesson, your students will see how the order of the factors does not affect the product in a multiplication expression. Use this on its own or alongside You're On a Roll! Practicing Multiplication Facts.

Provide students with an opportunity to identify the wholes that are correctly divided into halves, thirds, and fourths (equal shares). Use this activity alone as a support lesson or alongside Cookie Fractions Fun.

Word problems can be overwhelming to students, but if they have a tool to help them, they can handle it! Use this as a stand alone lesson or alongside Stepping Through Addition and Subtraction Word Problems.

Help your students compare and connect two important multiplication strategies: equal groups and repeated addition. This lesson can stand alone or be used as a pre-lesson for Candy Multiplication.

Allow your students to explore the pros and cons of different strategies used to find the area of rectangles. Use this as a stand alone lesson or as a pre-lesson for the Multiplication and Area in the Community Garden lesson.

Students will learn to convert metric units by applying concepts in word problems. Exercises and worksheets incorporate length (meters), and optional practice offers more instructions on mass (grams) and volume (liters).

While memorization is important when it comes to multiplication facts, a foundation of understanding is key, too! Use this lesson on its own or as a pre-lesson for Hands-On Multiplication.

Help students use two strategies that will help them figure out which three-digit number is greater than, less than, or equal to another three-digit number. Use on its own or with Let's Compare! Place Value Disks & Three-Digit Numbers.

Why make things harder on ourselves? Teach your students to decompose numbers to make math easier! Use this as a stand alone lesson or a pre-lesson for Decompose to Multiply: 6, 7, 8, and 9.

Lay the foundation for multiplication by introducing your second graders to the concepts of skip counting and repeated addition. This lesson can be used alongside Up, Up, and Array, or separately to reinforce these important skills.