This resource includes 10 interactive Google Slides with movable Base 10 Blocks and video instructions for students. This resource can be easily assigned in Google Classroom for math stations, independent practice or distance learning. This activity is perfect for 2nd grade students learning subtraction with regrouping or for 3rd grade students who need a refresher before moving on to larger numbers.
Students will understand the meaning of Subtraction with Regrouping by using Base-10 blocks, and make connections to the traditional method for subtracting.
You do not need Google Classroom to use this resource, but you do need a Google e-mail to use Google Slides.
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- PDF with a Link to make a copy of the Google Slides in your Google Drive
- Video Instructions (Student devices must be able to access You-Tube)
- Example Slide to further clarify instructions for students
- 10 interactive slides with movable pieces
- Using Base 10 Blocks to subtract two 2-digit numbers
- How to regroup a ten as 10 ones
- Subtracting two 2-digit numbers using the traditional algorithm
- All problems in this activity are self checking to help build independence and confidence
This resource is very similar to 2 Digit Subtraction with Regrouping #2, “Bury My Treasure,” and is designed to give students additional practice using Base-10 blocks to regroup and subtract. These two resources work together well to build a strong foundation and conceptual understanding, which especially helps struggling learners who need repetition while learning subtraction with regrouping.
Ideas on how to use this resource:
- Use it as a whole class (in person) teaching tool by projecting the slides and using the movable, interactive pieces to teach your lesson
- Use it for whole class Zoom meetings as a teaching tool
- Use this resource for small group reteach or tutoring
- Assign this resource as a lesson for student practice in Google Classroom as independent work or as a no-prep math station
- Share the digital key with students in Google Classroom for parents and students to check work at home