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True or false: The absolute value of a number gives its distance from zero.
TRUE!
True or false: The sum is how much one number differs from another
FALSE! That is the DIFFERENCE!
True or false: 50 is a whole number AND a positive number
TRUE!
True or false: The sum of a number and its additive inverse is zero.
TRUE!
True or false: A positive number is a real number that is less than zero.
False! That is a negative number!
How can you use absolute value to add integers with the same sign?
You add their absolute values, then add back the appropriate sign.
15 + 16
31
7 + 27
34
-9 + -10
-19
-13 + -13
-26
-10 + 5
-5
8 + -16
-8
-12 + 24
12
18 + -5
13
8-9 =
-1
-8 - (-9) =
1
