Adding and subtracting doesn't need to be boring! Learning to add and subtract can be done with a shoelace or while playing hopscotch.

This lesson will make solving subtraction word problems fun for students. It includes music and interaction to grab your students' attention.

In this food-focused lesson plan, students will get to learn from real-world examples how to solve a subtraction problem. Perfect for all of your pizza lovers!

Use this ocean-inspired lesson plan to practice using one-to-one correspondence with your students. This can be used as a stand-alone lesson or support lesson for the Matching Numbers lesson plan.

Practice finding unknown numbers in addition equations using fun and silly word problems.

This hands-on lesson covers fractions and percentages. Children will have a great time interacting with their fellow classmates and completing surveys as they learn to represent parts of a whole.

Getting ready to add fractions? This lesson reviews how to add fractions with unlike denominators using number lines. Students will focus on understanding the process and reasoning behind each step.

Help your students see the variety of strategies they can use to compare fractions! Students will compare their strategies with that of their classmates. Use this lesson on its own or use it as support for the lesson Fraction Wars.

In this scavenger hunt lesson, students will look for rectangular arrays within their school environment. Whether it is a set of cubbies or windows, students will see that arrays are all around us.

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.

Which number doesn't belong? This lesson requires students to think critically as they determine which number is not a factor of a particular number. Teach it on its own or as support for the lesson Factors Over the Rainbow.

Get your students talking about number patterns and rules with this introductory lesson on function tables. Use this lesson as a pre-lesson to Input and Output Boxes or teach it on its own.

Help your students understand the connection between skip counting, multiples, and multiplication with this lesson. Teach it on its own or use it as support to the lesson Clap Counting with Multiples.

Start your students on subtracting three-digit numbers with this lesson that breaks the problems down by place values!

Expand on your students' knowledge of base ten numbers with this lesson that introduces the students to the place and value of digits within a number.

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

This hands-on lesson will get students thinking and talking about how the numbers in fact families are related. Use alone or with the lesson plan Fact Family Trees.

It's time for some fun with grid puzzles! In this lesson, students will learn how to solve KenKen puzzles using logic and applying their knowledge of addition, subtraction, multiplication, and division skills.

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.