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.

Critical thinking demands making inferences and having proof. Use this lesson plan with your students to teach how to infer author’s perspective and cite supporting quotes from text.

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.

Your students will love helping two stuffed animals solve a cookie argument! They will practice their detective skills as they play a Missing Cookie Game.

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.

Students will have fun working with partners as they identify the missing vowels in common animal CVC words. Can be used as a stand alone or support lesson for the Animal Vowels lesson plan.

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.

Are your students’ persuasive essays seamless and connected? In this persuasive writing lesson, students will learn how to write for a specific audience, linking opinions with reasons. Transition words are the missing links!

Preschool students will love listening to this classic story about a missing toy! Can be used as a stand alone lesson to introduce elements of a story or as a support lesson for the Setting, Characters, and Events in Goldilocks and the Three Bears lesson plan.

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.

Encourage your students to learn about letters and develop early literacy skills that will help them become great readers. This lesson helps students learn and review any chosen letter in the alphabet.

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.