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Showing Results for estimating to subtract

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

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

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

Use this support lesson to provide students with the opportunity to explore what it means to estimate. This hands on activity can be used alone or alongside the lesson Estimating Length.

The Language of Estimation

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

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

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

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

Subtraction Pictograph

Your students will be experts in subtraction with regrouping after this lesson that has them work as a class and individually to perfect their skills. 

Subtraction Masters

Planning a party can be exhausting! But even when the party is over, there can be a lot to do. In this lesson, students use subtraction to figure out what’s left at the end of a party. 

Party Leftovers

Dive deep into using base-ten blocks to solve two-digit subtraction problems with regrouping. This lesson can be used independently or in conjuction with the lesson Double Trouble: Subtraction Practice.

Regrouping with Base-Ten Blocks

Give your students a great basis in mathematics with this lesson that has them use a number line to find differences for basic subtraction facts. 

What's the Difference?

Help students gain confidence in recognizing multiples of 10 as they critique a flawed response. Use as a stand-alone scaffolded EL support lesson or prior to teaching Big Spenders. 

Multiples of 10

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

Composing and Decomposing

Subtraction is a lot more than just “take away.” In this lesson, students develop an understanding of subtraction as comparison by creating and interpreting data from bar graphs. 

How Many More?

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

Getting Wordy with Subtraction

Using base ten blocks, cards, and clear cups, your students will practice the concept of borrowing for subtraction problems in this lesson.

Borrowing Center

Give your students the resources they need to solve word problems with this math lesson. Your class will learn how to categorize important keywords using a WIKED map, a visual tool that helps them through the problem-solving process.

Summertime Math Stories

Emphasize student understanding and reasoning! This lesson plan helps learners solve story problems using sense-making strategies. This can be used alongside the lesson Solving Word Problems or as a stand-alone lesson.

Reflect on the Context First!

Use this lesson to help students build their speaking and listening skills as they learn how to critique a flawed response using discussion cards. Use this as a stand-alone support lesson or alongside the activity Break it Down!

Think About What Went Wrong!

Double-digit trouble? No problem! Your students will practice their decomposing and regrouping skills in this lesson.

Double Trouble: Subtraction Practice

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Comparing Strategies for Three-Digit Addition

Guide students to use base ten blocks to solve two-digit by one-digit addition problems with regrouping. This lesson can be used independently or paired with the lesson Adding it All Up. 

Using Regrouping to Add

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

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