Let your students explore different strategies to figure out the missing number in an equation. Use this lesson on its own or as a support lesson for Missing Numbers: Math Review.

Help your students fill in the missing links! With a focus on transitional words and conjunctions, your students will discover the links that will help them combine ideas in their writing.

In this lesson, students must become detectives to solve for the missing number in each subtraction problem. They will develop and use their powers of mathematical reasoning using number bonds to find differences.

Your students will become junior math detectives as they hunt down the missing side of a rectangle by applying the area formula for rectangles. The only clues they have are the rectangle's area and the measure of one side.

What’s the missing link? In this lesson students will explore missing factors using three digit numbers. Using their knowledge of skip counting, students will determine the missing links.

Help! The numbers in our equations have run away and left their answers alone! In this lesson, students will review their math facts and knowledge to solve Ken Ken like puzzles and bring the numbers back to their places.

In this lesson, students will solve a design problem and practice troubleshooting as they create a list of instructions for putting together a tent.

Are these fractions really equal? Use this lesson to introduce the concept of equivalent fractions with your students. Teach this on its own or use it as support for the lesson Equivalent Fractions Using Area Models.

Help, help! Some sentences are missing an end mark! Throughout this lesson, your students will solve the "mystery" of missing punctuation marks and learn the difference between a period, question mark, and exclamation point.

Make a math mystery! In this lesson, help your students understand the relationship between addition and subtraction and how a missing addend word problem is represented with a number sentence.

This lesson provides students with practice as they find the missing parts of a whole and justify their reasoning. Use alongside the What's That Number lesson or alone as a support lesson for students.

Algebra concepts can be challenging for students in upper elementary and middle school. This lesson introduces students to the idea of a missing or unknown number while also considering the order of operations.

Young detectives will have a blast as they find context clues and solve a mystery in this fun-filled lesson plan. By paying close attention to a story, students will figure out missing letters to decipher a hidden message.

Help students visualize the missing addend in an addition problem with this fun game. Use this scaffolded EL lesson alone or for more practice before teaching the Mystery Addends: Representing Word Problems lesson.

Facilitate rich math conversations with this lesson on finding the missing information in problems related to the area of rectangles and squares. It may be taught by itself or used as support to the lesson Finding Area: Furnishing A Room.

You need the length and the width to find the area of a rectangle or square, but what if one piece of information is missing? Use this lesson alongside What's My Area? or on its own.

Students will use the inverse relationship between multiplication and division to complete an area formula in a real-world situation. Use this lesson on its own or as support for the lesson The Case of the Missing Rectangle Side.

Give your students the resources they need to solve word problems with this math lesson. Your class will learn how to categorize important keywords using a WIKED map, a visual tool that helps them through the problem-solving process.

Help students use a 100 chart while discovering patterns of one more. This fun lesson will help students find connects between numbers and gain fluency with numbers within 100.

The order of operations is a critical concept for fourth graders to grasp in preparation for algebra. This introductory lesson on the order of operations will teach your students about the helpful acronym PEMDAS.

Input some patterns to T-charts in this lesson. Use this lesson about input and output boxes as a precursor to finding patterns within word problems.

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

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.

Subtraction will be practiced through the use of a number chart, creation of subtraction problems, and a worksheet.

Skip, skip, skip counting made fun! With this lesson that uses dot-to-dot worksheets and singing, students will be eager to participate in learning to skip count by fives and tens.

Pop into place! This lessons builds your students' knowledge of numbers, their place value, and how to write them correctly.

Contractions can be tricky, but they don't have to be! Through this lesson, students will gain hands-on experience putting words together to form common contractions.

Teach your students about the attributes that make each shape unique. Use this as a stand alone lesson or as a pre-lesson for Are You Connected to Me?

Analyzing and discussing arithmetic patterns builds a strong number sense in your students! Use this as a stand alone lesson or as a pre-lesson for Boom, Clap! Patterns in the Multiplication Table.

Teach your students to use tape diagrams to solve equations involving whole numbers and fractions.