second grade math madness
DESCRIPTION
Second Grade Math Madness. Objective: I can add multi-digit numbers with and without regrouping. 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? - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/1.jpg)
Second Grade Math Madness
Objective: I can add multi-digit numbers with and without
regrouping.
![Page 2: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/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](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/3.jpg)
When adding and subtracting numbers...
We have to know...
PLACE VALUE!
![Page 5: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/5.jpg)
Line Up the Place Value!
34 45+
97
![Page 6: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/6.jpg)
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](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/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](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/8.jpg)
When adding and subtracting numbers...
We have to know...
PLACE VALUE!
![Page 10: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/10.jpg)
Line Up the Place Value!
42 37+
97
![Page 11: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/11.jpg)
But What If..When I add my ones, it is bigger than 10?
http://www.youtube.com/watch?v=TALjvm0hhLs
![Page 12: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/12.jpg)
67 25+
29
1Regrouping!!
![Page 13: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/13.jpg)
Let’s Practice Some (with regrouping)
46 + 35
67 + 24
179 + 45
![Page 14: Second Grade Math Madness](https://reader036.vdocument.in/reader036/viewer/2022062304/5681332d550346895d9a26e0/html5/thumbnails/14.jpg)
Let’s Wrap it UP...With another song!
http://www.youtube.com/watch?v=QAL8XxyGVow