# Interactive video lesson plan for: Adding and Subtracting Integers- Easy Method

#### Activity overview:

Learn howto add and subtract integers.Welcome to MooMooMath and Science and adding and subtracting integers.
Yes
Are the signs the same, yes, add the absolute value of the addends
Give the sum the sign of the addends
If the problem is addition and the signs are different, usiing the absolute values, subtracr the smaller from the greater number, and give the sign of the number with the
greatest absolute value.
If the problem is subtraction and not addition then change the subtraction sign to addition, and change the sign of the number behind the subtraction sign then add and then follow the addition rules.
Is the problem addition? No then we will change the sign.
We will bring down the negative 5 and change the sign to addition and change the sign of the number directly behind it.
from -7 to +7
Yes
Are the signs the same? no
We will subtract the absolute value of 5 minus the absolute value of 7.
Which equals 7 -5 which equals 2 and then take the sign of the larger number.
therefore it will be -2
Next we have - 3 minus 12
We will change the sign to -3 + 12 and the sign of 12 to negative.
Are the signs the same?
Yes
We will add the absolute value of 3 and 12 which equals 15
Next take the sign of the addends, which is negative so it will be -15
Finally, the last one.
-12 + -7
Are the signs the same? yes
Add the absolute value of 12 and 7 which is 19
Now take the sign of the two numbers which is negative
Hope this helps with adding and subtracting integers.
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