Absolute Value
What does |a| tell you?
8 + (-15) =
–7
9 – (–5) =
14
–4 + 4 =
0
|17| =
17
–9 + 21 =
12
–7 – 4 =
–11
14 + (–14) + 9 =
9
|-1000| =
1000
14 + (–9) + (–20) =
–15
Write as addition: -7-10=
–7+(–10)
–7
–|–9|=
–9
How do you add two same signed integers?
Same team, combine them
Write as addition: 12-(-19)
12+(+19)
–10 + |–10| + 3 + 6 + (–3)
6
|2–10| =
8
How do you add different signed integers?
Different teams, who wins and by how much?
Complete the statement: Subtraction is ....
addition of the opposite
10