Absolute value
l-5l - |6|
-1
How do you add integers with same signs?
Add then keep the common sign.
13 + l-67l
80
-12+(-6)
-18
9-5-8
-4
What are integers?
An integer is a number with no decimal or fractional part and it includes negative and positive numbers, including zero.
l-8l + |4|
12
Define "absolute value".
Absolute Value- The distance on a number line from zero to the integer
40 - l500l
-460
Use mental math. x + 10 = 4
x=-6
-2-3-(-3)
-2
How do you add integers with unlike signs?
Subtract the absolute values and keep the sign of the larger number.
2l15l - 3|-12|
-6
Use mental math. y + 6 = -2
y= -8
-6-(-9)
3
What are the three methods in adding integers?
Using concrete models (color counters)
Using pictorial models (number lines)
Using numerals (rules-based)