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Showing Results for estimating to subtract

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

Advance your students from relative measurements to learning about standardized units with this lesson that teaches them about inches and feet by using common classroom objects. 

Estimating Length

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

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

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

Can you break a ten? An everyday exchange of money can help students think about regrouping to subtract. Students will use bundled popsicle sticks to see how values grouped into tens can be regrouped into ones to allow us to subtract. 



Regrouping with Popsicle Sticks: Double-Digit Subtraction

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!

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

What exactly does the number 97 mean? How about 454? In this lesson, students explore how two-digit numbers are made up of tens and ones. Then they use this understanding to subtract numbers within 1000.

Break It Down

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

Fluently Subtracting within 1000

Word problems getting you down? Then spread the word on a lesson that will help students decide when to add or subtract, as they identify clue words that aid in solving word problems. 

Solving Word Problems

Students will become more familiar with common metric measurements by matching everyday objects with the metric mass and volume units they would use to measure them. 

Estimating Measurements of Mass and Volume Using Metric Units

In this fun hands-on lesson plan, your students will get to practice identifying numbers to 10 while learning all about subtraction!

Subtracting Numbers

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

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

Every student can be a magician after this lesson in mentally adding and subtracting by 10. No previous magic training required!

Math Mind Magic

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

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

Teach your students to round decimals to whole numbers to estimate a quotient. In this lesson, students will have so much fun playing the Estimation Station game, they might forget they are learning!

Dividing Decimals: Estimation

Make math fun with this lesson that has students work together to solve subtraction sentences. Students will also get a chance to practice their skills individually with a worksheet.

Subtraction Card Sharks

Have a class that can't sit still long enough to practice their addition? This activity puts math and PE together to help your kids add up to 20 while being active!

Active Math

Are your students hungry for math? In this lesson, students pretend to order their favorite takeout foods with their classmates all while practicing rounding decimals so that they know what to expect when the bill comes!

Menu Math: Rounding Decimals

Students will be jumping with joy after this lesson that helps them practice their subtraction skills with physical activity.

Whole Body Subtraction

Counting collections are a great way to help students practice counting while gaining practice recording and justifying their thinking. Students will work specifically with the numbers 1-30 to develop fluency counting and writing numbers.

Counting Collections

Let’s build! Students will explore subtraction and patterns of one less in this hands-on lesson. Get out the snap cubes and dive in. 

How Big is Your Tower?

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

Dividing Decimals Dash!

Use this lesson to introduce composing and decomposing as part of your students’ addition and subtraction toolkits.

Composing and Decomposing

Students can use their play skills to demonstrate subtraction. In this lesson, your students will use a familiar rhyme to practice subtraction.

Mr. Alligator Can't Catch Me!

This bear-y fun lesson will help your students understand addition and subtraction and reward their efforts with a sweet treat!

Math With Bears

This lesson will make solving subtraction word problems fun for students. It includes music and interaction to grab your students' attention.

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Showing Results for estimating to subtract