Make the number work for you! Use this lesson to teach your students to add mixed numbers with like denominators using the strategy of decomposition.

Get your students excited about adding by introducing them to word problems with three addends!

Teach your students to add and subtract fractions with like denominators using a strategy that works for both operations: converting mixed numbers into improper fractions and back again!

Use a sweet treat to help students do hands-on math! Students will practice their addition skills in this yummy activity.

In this lesson, students will learn how to add a one-digit number to a two-digit number. This will help students build upon the skills needed for regrouping larger numbers.

Teach your students to subtract mixed numbers with like denominators using the strategy of decomposition. This strategy helps students to manipulate and break down numbers to help them solve tricky subtraction problems.

Double dominoes! Get your students excited to add with dominoes and playing cards. This lesson is a fun way to help your students continue to learn to add.

Help kids master fractions with the fun, fast-paced, math comparison game Fraction Wars. After a review, students are split into pairs to practice quickly comparing fractions with different numerators and denominators.

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

Students will gain fluency with adding multiples of ten in this hands-on lesson that builds number sense.

Every student can be a magician after this lesson in mentally adding and subtracting by 10. No previous magic training required!

Finding the least common multiple is an essential skill for comparing, adding, and subtracting fractions! This lesson introduces students to this concept in an interactive way.

Teach your students to add mixed numbers and improper fractions with the same denominator using the counting up strategy with number lines.

Let’s start building numbers! Just as building skyscrapers is a visual representation of mathematics, students will use the visual representation of base-ten blocks to add—or build—onto a two-digit number.

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

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

Have a class that can't sit still long enough to practice their addition? This activity puts math and PE together to help your kids add up to 20 while being active!

Give your students a conceptual understanding of three-digit addition with this lesson focused on base-ten blocks and drawings.

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Teach your students to draw an array using base ten notation to solve multiplication problems with two two-digit factors.

High order thinking skills are critical skills for students of all ages. In this lesson, your students will create word problems about money.

In this interactive lesson that includes the use of clock manipulatives, students will discover that addition goes beyond straightforward addition problems. Finding the elapsed time is easy with addition!

If you can see it, you can achieve it! Use this lesson to teach your students how to use visuals to determine if two fractions are equivalent.

Have your "whole" group get a "piece" of fun in this sweet and tasty math game!

Using your acting skills and a great book by Chris Van Allsburg, you will lead your students on an adventure to compare characters and events throughout a book.

Fractions are everywhere! In this hands-on lesson, your class will work together in groups to find real-world examples of fractions. As they discover more complicated fractions, students will create their own word problems with them.

In this lesson, students will add three-digit numbers using expanded form addition and standard algorithm addition. They'll explain their answers and highlight the steps for each of the strategies.

Drawing on various problem solving techniques, students will challenge themselves to solve word problems involving three whole numbers. Problem solving, critical thinking, and real life applications? This lesson has it all.

Who doesn’t like to spend money and plan parties? Students will subtract two-digit numbers as they calculate the remaining money for their party supplies. They will subtract in multiples of ten and focus on place value.

Students will use the classroom word wall to read and spell tricky sight words.