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Word problems getting you down? Then spread the word on a lesson that will help students decide when to add or subtract, as they identify clue words that aid in solving word problems.

Your students will have fun working with numbers to 20 with this exciting and interactive lesson with music, movement, and hands-on experiences!

Help your students make sense of the greater than, less than and equal to in this interactive lesson! Your students will have opportunities to compare either two-digit or three-digit numbers.

In this lesson, your students will get hands-on practice comparing quantities! Students will compare using buttons, blocks, and their classmates.

Identifying shapes and colors will come easily to students after listening to songs, playing bingo, and coloring a worksheet!

Now that your first graders are able to count consecutively, introduce them to the tens and ones place values. Using tens and ones blocks will make math easy and fun for everyone!

Collect and graph! In this lesson, your students will practice collecting, organizing, and interpreting data by using real life examples.

Shape up your students' understanding of geometrical attributes with this hands-on math lesson. Students will gain a better understanding of how to describe a shape by the number of edges and vertices it has, rather than by its name.

From skyscrapers to ants, comparing sizes with your class can be endlessly fun! This lesson will help your students compare short and tall sizes.

Make division come to life with this hands-on, introductory lesson on the operation of division! Students will use authentic problems and manipulatives to experience division in action.

Let your students learn how to find the area of rectangular objects by doing hands-on activities. Your students will love finding the area of various rectangular objects around the classroom!

Give first graders a sense of time by introducing them to telling time by the hour. Students who have mastered the numbers 1 to 12 will be eager to keep the class on a time schedule.

Let's better understand multiplication and division concepts! Use this lesson to help students understand inverse operations between multiplication and division.

In this lesson, students will make bar graphs and interpret data using real-life data from other students. They will get practice writing and answering survey questions.

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Number facts are related, just like families! Help students learn all about fact families while they make fact family trees!

Fill ‘em up! This lesson teaches students to compare how much different containers can hold. Get ready for some overflowing fun!

Help your students subtract with confidence by sharing two different strategies. Use this lesson to build on students’ understanding of subtraction and to evaluate this key skill.

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

Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up.

Introduce your students to divisibility rules with a lesson that encourages deep thinking and meaningful math talk between peers.

In this lesson, your students will become familiar with shapes by identifying them in real life. Your students will love identifying how many sides shapes have by drawing and counting them!

Help your students learn to count money with this teacher-approved lesson. They'll love learning how much their favorite things are worth.

Bring on the polygons! Your students will build their understanding of polygons and sort shapes into categories based on their attributes in this lesson.

In this lesson, your students will compare numbers to one thousand using place value charts and symbols. Your students will love practicing with numbers!