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  • REGROUPING
Addition Regrouping
Unrestricted Use
CC BY
Rating

This is a lesson on addition with regrouping to help students master this skill. The students will use base ten blocks and play a game by drawing cards and adding that many cubes to their base ten blocks.  The student that reaches 100 first will win.

Subject:
Elementary Mathematics
Material Type:
Game
Author:
Lydia
Date Added:
04/04/2022
Open Middle Task: Closest Differenct to 200
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Jessica Goree
Date Added:
04/26/2022
Open Middle Task: Closest to 200 - Problem 2
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Tara Trifiletti & Jessica Goree
Date Added:
04/26/2022
Open Middle Task: Close to 1000
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
John Ulbright & Robert Kaplinsky
Date Added:
04/26/2022
Open Middle Task: Create an Equation
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Eric Appleton
Date Added:
04/26/2022
Open Middle Task: Subtracting 3-Digit Numbers 2
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Robert Kaplinsky
Date Added:
04/26/2022
Open Middle Task: Subtracting Multi-digit Numbers
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Smarter Balance
Date Added:
04/26/2022
Open Middle Task: Subtraction 3-Digit Numbers 1
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Robert Kaplinsky
Date Added:
04/26/2022
Open Middle Task: Subtraction Without Regrouping
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Chase Orton
Date Added:
04/26/2022
Open Middle Task: Subtraction to Get the Smallest Difference
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Graham Fletcher
Date Added:
04/26/2022
Open Middle Task: Subtraction with Regrouping 2
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Christ Ignaciuk
Date Added:
04/26/2022
Open Middle Task: Subtraction with Zeros
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Ellen Metzger
Date Added:
04/26/2022
Open Middle Task: Sums to 100
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Graham Fletcher
Date Added:
04/26/2022
Open Middle Task: Sum to 1,000 - Two Addends
Restricted Use
Copyright Restricted
Rating

Open Middle tasks provide opportunities for student to approach a mathematical task using different strategies and representations. They can be used as a warm-up/closing activity, as a formative assessment, or to facilitate discourse and discussion and get insite into student thinking and problem solving. These tasks provide a great opportunity for student to engage with the Standards for Mathematical Practice.

Subject:
Mathematics
Material Type:
Activity/Lab
Lesson
Teaching/Learning Strategy
Provider:
Open Middle Math
Author:
Ian Kerr
Date Added:
04/26/2022
Remix
Subtraction with regrouping
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating

This lesson plan is designed to provide a resourch for teachers who have students needing extra support with subtraction and regrouping through the place value chart up to 1,000. It primarily targets using base ten blocks to help students visualize and manipulate regrouping. 

Subject:
Elementary Mathematics
Material Type:
Lesson
Author:
Cindy Jordan
Date Added:
06/07/2021