Adding
Solve.
21 + 9 =
30
What happens when you subtract a negative?
two negatives make a big plus.
12 - (-6) =
12 + 6 = 18
What is the rule when multiplying integers with the same signs?
Positive answer.
7 x 7 = 49
-7 x -7 = 49
What is the rule for dividing integers that have differnt signs?
Answer will be negative.
64 / -8 = -8
What is PEMDAS
P- Parentheses, E- Exponents, M- Multiplication, D- Division, A- Addition, and S- Subtraction.
Solve.
135 + (-20)
115
Solve.
-14 - 8
-22
Solve.
-2(-11)
22
Solve.
-24 / -8
3
How many years has Mrs. Stangler been teaching?
11 years
Solve. -5 + 25
20
Solve.
-5 - (-11)
6
Solve.
3(-7)(-3)
63
Solve.
72 / -9
-8
3x10+8-6
32
Solve.
-8 + (-7) + 6
-9
Solve.
-6 - (-9) -12
-9
Solve.
-4(2)(-2)(3)
48
Solve.
-144 / -12
12
(-4)/(-2) + 6 -10
-2
15 + (-24) + (-8) + 10
-7
Solve.
-18 - (-2) - 13 - 26
-55
Solve.
-8(-10)(2)
160
Solve.
-169 / 13
-13
What are integers?
Positive and negative whole numbers.