Download - Second Grade Math Madness Objective: I can add multi-digit numbers with and without regrouping
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Second Grade Math Madness
Objective: I can add multi-digit numbers with and without
regrouping.
![Page 2: Second Grade Math Madness Objective: I can add multi-digit numbers with and without regrouping](https://reader031.vdocuments.us/reader031/viewer/2022032705/56649dda5503460f94ad0353/html5/thumbnails/2.jpg)
Second Grade Math Madness Bellwork
•1. Look at the number 139. What digit is in the ones place?
•2. Look at the number 456. What digit is in the tens place?
•3. What is the sum of 5 + 6 + 7?
•4. What is the area of the rectangle?
![Page 3: Second Grade Math Madness Objective: I can add multi-digit numbers with and without regrouping](https://reader031.vdocuments.us/reader031/viewer/2022032705/56649dda5503460f94ad0353/html5/thumbnails/3.jpg)
When adding and subtracting numbers...
We have to know...
PLACE VALUE!
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Line Up the Place Value!
34 45+
97
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Second Grade Math Madness Bellwork
1. Can you write 321 in expanded notation.
2. 567, what digit is in the tens place?
3. 23 + 77 =?
![Page 7: Second Grade Math Madness Objective: I can add multi-digit numbers with and without regrouping](https://reader031.vdocuments.us/reader031/viewer/2022032705/56649dda5503460f94ad0353/html5/thumbnails/7.jpg)
Second Grade Math Madness
Objective: I can add multi-digit numbers with and without
regrouping.
![Page 8: Second Grade Math Madness Objective: I can add multi-digit numbers with and without regrouping](https://reader031.vdocuments.us/reader031/viewer/2022032705/56649dda5503460f94ad0353/html5/thumbnails/8.jpg)
When adding and subtracting numbers...
We have to know...
PLACE VALUE!
![Page 10: Second Grade Math Madness Objective: I can add multi-digit numbers with and without regrouping](https://reader031.vdocuments.us/reader031/viewer/2022032705/56649dda5503460f94ad0353/html5/thumbnails/10.jpg)
Line Up the Place Value!
42 37+
97
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But What If..When I add my ones, it is bigger than 10?
http://www.youtube.com/watch?v=TALjvm0hhLs
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67 25+
29
1Regrouping!!
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Let’s Practice Some (with regrouping)
46 + 35
67 + 24
179 + 45
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Let’s Wrap it UP...With another song!
http://www.youtube.com/watch?v=QAL8XxyGVow