Showing Results for add and subtract

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!

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.

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.

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.

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

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

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.

Teach your students about keeping on budget with this fun holiday-based lesson. Students will add decimals in a real-life application as they choose gifts for friends and family without breaking the bank.

This lesson is designed for fourth graders to practice their skills with the order of operations along with multiplying fractions and adding or subtracting decimals.

Help show your students' growth with a time capsule. Use the lesson plan Classroom Time Capsule to have students prepare any academic work they want to include in the capsule. They will also add a completed worksheet about their goals for 2020.

In this lesson, students will practice explaining the process of subtracting numbers up to 1,000 using base-ten blocks and peer feedback. Use this lesson on its own or as support to the lesson Fluently Subtracting within 1,000.

Text formatting can add a lot of richness to how information is explained. In this lesson students will explore the organization of nonfiction texts and go on a scavenger hunt for different kinds of text formatting features.

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.

Students will find angle sums using a baseball diamond diagram.

It's as easy as one, two, three...four! Introduce your students to subtracting decimals in the tenth and hundredth place using a four-step process.

Solve for the sum of two mixed numbers! They will use scaffolds such as fraction models to support the visualization of mixed numbers. This can be used on its own or as support for the lesson Sums for Mixed Numbers and Improper Fractions.

Empower students to think like mathematicians by having them create word problems related to subtracting mixed numbers. Use this lesson on its own or as support to the lesson Subtracting Mixed Numbers Using the Decomposition Strategy.

Students will create angles by folding construction paper, creating angle addition sentences, and then adding the sum of angles on their models.

In this hands on lesson, students create squares with different fraction pieces while building their knowledge of adding fractions with different denominators.

During this lesson, students will learn how to edit their writing. They will edit their writing by adding variety to their sentences. Students will also work on writing sentences that are clearer to the reader.

Students will practice mental math and harness their discussion skills through addition problems of like mixed numbers. This lesson may be used on its own or as support for the lesson Adding Mixed Numbers Using the Decomposition Strategy.

Go to any length to test your students' understanding of perimeter calculations. Students will use their understanding of the perimeter of rectangular shapes to create rectangles that have different side measurements but equal perimeters.

Students will have a blast deepening their understanding of the order of operations, with this lesson which incorporates an interactive team game.

Empower your students with the opportunity to design decimal subtraction problems with a given difference (answer). Use this lesson on its own or as support for the lesson Step By Step Decimal Subtraction.

Put the FUN! in function tables with this engaging, interactive lesson that will have your students generating their own patterns and tables.

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.

Help students solve fraction word problems with a graphic organizer! This lesson addresses Common Core standards while teaching useful skills for standardized test taking.

Get your students comfortable with discussing multiple strategies to solve subtraction problems with this lesson on two- and three-digit subtraction. It may be taught independently or as support for the lesson Subtraction with Regrouping.

Let your students decorate their own room with this lesson that has them use area to place furniture in a room.

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.