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Showing Results for adding subtracting unlike

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.

Make It Work! Adding Fractions with Unlike Denominators

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.

Subtracting Fractions with Different Denominators

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 on Number Lines

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

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

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

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

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

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

High order thinking skills are critical skills for students of all ages. In this lesson, your students will create word problems about money.

What's the Problem?

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

Decimals, Decimals, Decimals!

Fractions are everywhere! In this hands-on lesson, your class will work together in groups to find real-world examples of fractions. As they discover more complicated fractions, students will create their own word problems with them.

Fraction Hunt

Refresh students on the relationship between decimals and fractions when they multiply to find the area! They will find the area of a location in a picture by converting mixed numbers to a decimals and then using the area equation.

Area with Decimals and Fractions

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.

Subtraction with Regrouping

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

Sums for Mixed Numbers and Improper Fractions

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.

Missing Numbers: Math Review

Your students have probably heard of both Mickey Mouse and Ironman, but have they ever compared and contrasted them? This lesson engages students in a fun double bubble map activity while helping them learn about internal character traits.

Comparing Two Characters

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Polygon Perimeters with Tantalizing Tangrams!

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.

Input and Output Boxes

In this lesson, students complete worksheets and engage in peer discussions to learn more about metaphors. Young writers will love making their own creative metaphors.


What's a Metaphor?

Teach your students to draw an array using base ten notation to solve multiplication problems with two two-digit factors.

Base Ten Arrays for Multi-Digit Multiplication

Good readers analyze texts by looking at similarities and differences. Use this lesson to teach your students to compare and contrast the story elements of two fiction texts.

Finding Similarities and Differences

In this interactive lesson that includes the use of clock manipulatives, students will discover that addition goes beyond straightforward addition problems. Finding the elapsed time is easy with addition!

Beyond Just Addition

Using your acting skills and a great book by Chris Van Allsburg, you will lead your students on an adventure to compare characters and events throughout a book.

What's So Different? Comparing Characters

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.

Addition with Regrouping

Let's solve multi-digit division problems! Students will feel more confident with their division than ever with this lesson that helps them practice dividing multi-digit numbers.

Multi-Digit Division

We often conduct reading fluency tests on our students without explicitly teaching this skill. Use this lesson, which incorporates student peer review, to help raise awareness of reading fluency while improving it.

Fourth Grade Fluency Fun!

Your students will go bonkers for bingo as they play this baffling multiplication game! Who will get five in a row first?

Multiplication Bingo: Two-Digit Numbers

This lesson on perimeter will let your students walk around the class to see the border, use a measuring tape to measure the walls in their classroom, and enable them to understand how math is related to real life!

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Showing Results for adding subtracting unlike