Adding and Subtracting Integers

Adding Integers Mrs. Young EMC 1

Problem ,[object Object],[object Object]

Solution ,[object Object],[object Object],[object Object],[object Object]

Let’s Use A Number Line! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Let’s Try Another! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Let’s Try One More! ,[object Object],[object Object],[object Object],[object Object],[object Object]

Let’s Check Out Some Rules! ,[object Object],[object Object],- 20 - 13 + - 7 = - 13 - 5 + - 8 = - 11 - 2 + - 9 = Sum Integers Adding Negative Integers

Rules Continued… ,[object Object],+ 45 + 29 + + 16 = + 22 + 17 + + 5 = + 11 + 2 + + 9 = Sum Integers Adding Positive Integers

Uh oh! Wait! ,[object Object],[object Object],[object Object],The result from Step 2 takes the sign of the integer with the greater absolute value. 3. Subtract the smaller number from the larger number you get in Step 1. 2. Find the absolute value of each integer. 1.

Let’s Try It! ,[object Object],[object Object],[object Object],[object Object],[object Object]

Let’s do it without the number line! ,[object Object],[object Object],[object Object],[object Object]

Try this one! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Yep! You’re right! ,[object Object]

Here’s a Song For You! ,[object Object],[object Object]

Adding and Subtracting Integers

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Adding and Subtracting Integers