This resource practices 2-digit addition problems that regroup to the hundreds place, creating 3-digit sums. The interactive Google Slides use movable Base Ten Blocks and can be easily assigned in Google Classroom or any platform compatible with Google Slides. This activity is perfect for 2nd grade students learning addition with regrouping or for 3rd grade students who need a refresher before moving on to larger numbers.
Students will understand the meaning of Addition with Regrouping by using Base-10 blocks, and make connections to the traditional method for adding.
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 add two 2-digit numbers
- How to regroup 10 ones to a ten, or 10 tens to a hundred
- Adding two 2-digit numbers using the traditional algorithm
- All problems in this activity are self checking to help build independence and confidence
Ideas on how to use this resource:
- Use it as a whole class teaching tool by projecting the slides and using the movable, interactive pieces to teach your lesson
- Use this resource as a no prep math station
- Use this resource for small group reteach or tutoring
- Assign this resource as a lesson for student practice as independent work
- Share the digital key for parents and students to check work at home