Rules
How do I write my addition or subtraction of two decimals?
Line up the Decimals
-25.68 + (-15.01) =
-40.69
32.5 - 89.64 =
6.9 x (-3.2) =
-22.08
-18.56/0.2 =
-92.8
What do you do when Adding or Subtracting Decimals with Unlike Signs?
Subtract the Decimals
-54.87 + 28.92 =
-25.95
913.9 - 1103.1 =
-189.2
-19.22 x 2.5 =
-48.05
-9/(-0.45) =
+20
True or False. When you multiply or divide two negative decimals, the answer will stay negative.
(-75.134) + 19.2311 =
-55.9029
17.9 - (-19.4) =
37.3
-5.117 x 0.36 =
-1.84212
-64.8/5.4 =
-12
What do you add as "placeholders" when you add/subtract decimals.
Zeros
82.11 + (-83.11) =
-1
(-15.5) - (-15.5) =
0
36.1 x (-4) =
-144.4
-2.04/(-0.17) =
+12
When adding two decimals with negative signs, you get what kind of answer?
A negative answer.
-54 + 16.23 =
-37.77
54 - 221.32 =
-167.32
-2.43 x -4.3 =
10.449
-52.48/0.16 =
-328