
Chapter 1 - Lesson 1
Presentation
•
Mathematics
•
3rd Grade
•
Hard
Kaedon Woolsey-Lishman
FREE Resource
8 Slides • 0 Questions
1
Chapter 1 - Lesson 1
Adding numbers
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Rules for adding whole numbers
Always write the numbers so each place value lines up vertically.
Add the digits in each place value. Work from right to left starting with the ones place.
Continue adding each place value from right to left, adding each place value and carrying if needed.
3
Example 1
Adding 1 digit numbers together.
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Step-By-Step
Make sure numbers are aligned, ones on top of ones, tens on top of tens, hundreds on top of hundreds, etc...
Add each number from right to left
Regroup if it adds up to a number over 9!
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It equals 14!
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Now...
Try these on another piece of paper!
7
Now...
Try these on another piece of paper!
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Good Job! You are all done!
Now it's time to do your
assigned review game!
Chapter 1 - Lesson 1
Adding numbers
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