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Showing Results for adding subtracting unlike

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

Fluently Subtracting within 1000

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!

Single Strategy for Adding and Subtracting Mixed Numbers

Adding big numbers can be tricky, but this lesson introduces your students to a strategy that makes it less intimidating! Using the place value strategy will make the task less daunting.

Fluently Adding Within 1000

Students will practice mentally adding and subtracting 10 to multiples of 10 up to 100 by playing an all time favorite: BINGO! Use alone or alongside the lesson Subtracting From Multiples of 100. 

Mental Math Bingo with Multiples of 10

Many students cringe when they see a subtraction problem with multiple zeros. The “Subtract One” strategy in this lesson involves reducing the top number by one to turn the 0 digits into 9’s and then adding the one back in at the end.

“Subtract One” Strategy: Subtracting From Zeros Without Borrowing

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. 

Order of Operations with Fractions and Decimals

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.

Clap Counting with Multiples

This lesson will help students build an understanding of multiples as they learn how to subtract from multiples of 100!

Subtracting from Multiples of 100

Students will find angle sums using a baseball diamond diagram.

Adding Angles

Unlike moving quickly, mindful movement is a wonderful way to slow down and bring kind attention to the present moment. In this lesson, students will experience mindful movement and will create a movie on the benefits of mindful movement.

Mindful Movement

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.

Sharing the Subtraction Process

In this lesson, students will learn how to add a one-digit number to a two-digit number. This will help students build upon the skills needed for regrouping larger numbers.

Adding it All Up

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.

Step By Step Decimal Subtraction

This scaffolded EL lesson will help your students fluently add within 20, while reinforcing parts of a whole. Use as a pre-lesson for Addition: Over in a Flash, or as a stand alone activity.

Adding Within 20

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. 

Subtracting Mixed Numbers Using the Decomposition Strategy

This lesson challenges young learners to add dialogue to their writing. Students will love using their creativity to write personal narratives. 

Narrative Writing: Adding Dialogue

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.

Writing Questions for Word Problems

Use this scaffolded EL support lesson to help students learn the strategy of decomposing three-digit numbers to add their place values. This lesson can be used alone or prior to teaching Composing and Decomposing to students.

Decomposing and Adding Place Values

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. 

Adding Like Mixed Numbers

Get ready for some mental math! Help students practice subtracting by ten by solving real-world problems involving dimes. 

Dimes, Dimes, Dimes

Get ready to do some shopping! In this lesson, students will learn about subtracting 100 from multiples of 100 when making big purchases. 

Big Spenders

Subtraction can be learned and practiced through a pictograph! In this lesson, your students will become more comfortable with subtracting numbers.

Subtraction Pictograph

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.

Adding Mixed Numbers Using the Decomposition Strategy

Get the dice out and help students get targeted practice in adding 1 and 10! In this fun place value game, students keep adding to try to get to a maximum score of 100. But be careful. If you go over 100 you’re out!


101 and Out!

Name that hero! In this lesson, your students will practice adding two digit numbers together. They will get more comfortable adding bigger numbers together, making it easier to add three digit numbers later on.

Math Heroes

Practicing subtraction using a thermometer for a number line makes math fun! In this lesson, your students will get more comfortable with subtracting two digit numbers.

Thermometer Subtraction: Number Line Adventures

In this lesson, students will practice strategies of subtracting time and apply them to real life scenarios. Also, use this game with the lesson that teaches addition of elapsed time called Beyond Just Addition.

Get There On Time: Elapsed Time Word Problem Strategies

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

Folding for Angles

Wondering how to teach your second graders about inflectional endings? Look no further. After playing with dice and learning through song, your students will be adding *-ing* and *-ed* like pros.


Inflectional Endings: -ing and -ed

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

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Showing Results for adding subtracting unlike