O slideshow foi denunciado.
Utilizamos seu perfil e dados de atividades no LinkedIn para personalizar e exibir anúncios mais relevantes. Altere suas preferências de anúncios quando desejar.
Próximos SlideShares
Carregando em…5
×

# Adding And Subtracting Whole Numbers

Teaching how to add and subtract whole numbers.

• Full Name
Comment goes here.

Are you sure you want to Yes No
Your message goes here
• Entre para ver os comentários

### Adding And Subtracting Whole Numbers

1. 1. Adding and Subtracting Whole Numbers<br />By Angela Gusmano<br />
2. 2. Adding<br />
3. 3. First, you need to know…<br />Associative Property of Addition<br />When: (a + b) + c = a + (b + c)<br />Commutative Property of Addition<br />When: a + b= b + a<br />Zero Property of Addition<br />When: a + 0= a<br />
4. 4. 4,285+ 124<br />Always start with the ones.<br />
5. 5. Let’s Try Some!<br />1<br />1<br />1<br />4,285<br />+ 124<br />4,409<br />2,402<br />+1,789<br />4,191<br />
6. 6. More Practice!<br />1<br />1<br />1<br />1<br /> 5,765<br />+ 6,341<br />12,106<br />1,891<br />+ 298<br />2,189<br />
7. 7. Subtraction<br />
8. 8. 4,987- 2,158<br />Always start with the ones.<br />
9. 9. Let’s Try Some!<br />2<br />12<br />17<br />7<br /> 4,987<br />- 2,158<br />3,230<br />- 320<br />1,910<br /> 2,829<br />
10. 10. More Practice!<br />1<br />12<br />4<br />12<br />8<br />10<br /> 9,222<br />- 6,180<br /> 5,290<br />- 1,488<br /> 3,802<br />3,042<br />
11. 11. Now you should be able to add and subtract whole numbers!<br />
12. 12. Sources<br />http://michigan.gov/documents/MathGLCE_140486_7.pdf<br />http://www.eduplace.com/math/mw/g_4.html<br />