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!

Getting ready to subtract fractions? This lesson reviews how to subtract like denominators and teaches students how to subtract unlike denominators. The focus is on understanding the process and reasoning behind each step.

Help students add and subtract decimals in this visual, hands-on, and delicious lesson! This lesson also reinforces place value concepts with decimals.

This lesson combines three essential skills in one entertaining game! Students will need to add, subtract, and understand place value with decimals.

There’s more than one way to add and subtract mixed numbers! Use this witty lesson plan to teach your students to illustrate mixed number sums and difference while giggling with delight.

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.

Adding fractions with unlike denominators just doesn't work like it does when the denominators are the same. Let's make it work! Students will add fractions with unlike denominators with sums between one and two.

Your students will learn to add unlike mixed numbers using tape diagrams.

Continue to build on your students' understanding of unlike denominators by asking students to justify their answers of fraction subtraction. Use this lesson with the Subtracting Fractions with Different Denominators lesson.

Does chaos ensue when your students subtract like mixed numbers and the larger fraction has a lesser numerator? Using this lesson plan, teach your class how to overcome this tricky obstacle: When having like denominators isn’t enough!

Students will practice subtracting decimal numbers by calculating the total of prominent political figures’ meals at a pizzeria. Then, students can create and solve their own word problems using the menu on the activity.

Help your students show their understanding as they explain how to add fractions with unlike denominators. Use this lesson on its own or as support to the lesson Make It Work! Adding Fractions with Unlike Denominators.

Subtracting decimals to the thousandths can be fun when you are using actual statistics from Major League Baseball. Students will learn a little about how averages are calculated and then compare statistics of some of baseball's top players.

Can your students link line plots with fractions? In this interactive, hands-on math lesson, students will learn how to use a line plot to add fractions and solve corresponding word problems.

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.

Does the confusion of learning idioms “add fuel to the fire” for your students? Your students will “go back to the drawing board” in this lesson, as they consider the literal and figurative meaning of common idioms.

Children often wonder if algorithms are practical. Using this lesson plan, your students will see how the standard algorithm for adding mixed numbers brings life to real world real-world situations.

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.

Start a dialogue around area models! In this lesson, encourage students to ask questions as they multiply using area models. Use this lesson on its own or as support to the lesson Area Models and Multiplication.

Encourage students to explain their processes when converting from a mixed number to an improper fraction, and back again. Use this lesson on its own or as support to the lesson Single Strategy for Adding and Subtracting Mixed Numbers.

Challenge students to listen to instructions to create expressions with parentheses. Use this lesson on its own or as support to the lesson PEMDAS: Order Up.

Challenge your students to compare two methods for finding the least common multiple between two fractions. Use this lesson on its own or as support for the lesson Make It Work! Adding Fractions with Unlike Denominators.

Encourage student explanations and visual representation of fraction subtraction in this interactive lesson. Use this lesson on its own or as support to the lesson Modeling Mixed Number Subtraction.

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

Have students show their understanding of various operations within word problems in this lesson! Use this lesson as a standalone lesson or as support for the lesson Mixed Word Problems with RDW Strategy.

Get students moving in this fun lesson that involves a relay race style game! This lesson focuses on dividing decimals by whole numbers.

Challenge students to use their understanding of standard algorithm division to list multiples while solving division problems. Focus on their language use and opinions in this pre-lesson to the Partial Quotients Method lesson.

Refresh students on the relationship between division, multiplication, and place value! They'll use the partial quotients method to solve division problems and discuss the process.

Students will practice calculating volume as an additive property by making mock hamster mansions from boxes. Groups will calculate the volume of living space that they designed for their hamster in cm³ and document their work.

Challenge students to compare two strategies for solving division expressions! Students will focus on their language use in this pre-lesson to the Dicey Division lesson.