2-Digit Subtraction with Regrouping Mini-Lessons, Word Problems, and Workstation
- PDF
- Google Apps™
What educators are saying
Description
Are you apprehensive about teaching 2-digit subtraction with regrouping? Then this resource will help you sleep easier. This complete unit for introducing 2-digit subtraction with regrouping includes scripted mini-lessons and a math workstation!
INCLUDES:
☀️ Three scripted mini-lessons utilizing place value mats to lead students through the developmental steps for computational fluency:
- Direct modeling (concrete)
- Expanded form (abstract)
- Standard algorithm (abstract)
The lessons show how to overlap the methods to build understanding of the standard algorithm. Includes instruction on problem solving and recognizing the different types of subtraction (take-away, missing part, comparison).
☀️ A workstation for students to practice new skills independently. Includes student instructions and recording sheet.
☀️ A Google Slides file mirroring the problems from the mini-lessons with moveable base-10 blocks for demonstration purposes.
DOWNLOAD THE PREVIEW FOR TEACHING NOTES, DESCRIPTIONS OF ALL THE ACTIVITIES, AND FULL-SIZE PREVIEWS OF THE MATERIALS!
WHAT TEACHERS ARE SAYING...
⭐⭐⭐⭐⭐ "This was such a helpful resource for my kids! They struggle with regrouping so much and I feel like we move so fast! Thank you for this great resource!" Sally C.
⭐⭐⭐⭐⭐ "This resource was incredibly helpful in teaching my 2nd graders how to regroup when subtracting. The lessons were systematic and super easy to follow. This really helped them build a concrete understanding of what they were doing. This definitely built up their place value skills, and did not undermine them like many other lessons." Amber L.
⭐⭐⭐⭐⭐ "So excited to have a fun and engaging activity for my students to use with reviewing the standards! Great match up to our TEKS and very accurate for assessment of the skills in a fun way!!" Teaching Grit Gracefully (TpT Seller).
▶▶▶▶▶ Be sure to Leave a Review in "Your Purchases" on your dashboard to earn free credits good toward the purchase of future products!
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STANDARDS ALIGNMENT
TEKS MA.2.4.B—Add up to four two-digit numbers and subtract two-digit numbers using mental strategies and algorithms based on knowledge of place value and properties of operations
TEKS MA.2.4.C—Solve one-step and multi-step word problems involving addition and subtraction within 1,000 using a variety of strategies based on place value, including algorithms.
CCSS 2.NBT.B.5—Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
CCSS 2.NBT.B.7—Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
CCSS 2.NBT.B.9—Explain why addition and subtraction strategies work, using place value and the properties of operations.
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TERMS OF USE
Copyright © Math Coach's Corner.
For personal and single-classroom use only.
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