Multiplying Rational Numbers
Positive multiplied by a positive equals a _________.
Positive
Negative multiplied/divided by a positive equals a _________.
Negative
When we add, we move ____ on the number line.
Right
When subtracting negative numbers, we can follow the ____-______-______ method to turn into an addition problem.
Keep
Change
Change
Identify the property
a + b = b + a
commutative of addition
7(−4)=
-28
Simplify: −45/9
-5
15+(−21)=
-6
15−(−34)=
49
Identify the property
(a ⋅ b) ⋅ c = (c ⋅ b) ⋅ a
associative of multiplication
−6(−8)=
48
−35÷(−7)
5
−20+46=
26
−17−(−2)=
-15
5 ⋅ 1/5 = 1
inverse property of multiplication
14/5 x (-7/3)=
-6 8/15
11/10 divided by 22/5
1/4
-2/3 + (-5/7)=
-1 8/21
-9.28 - 0.54=
-9.82
Identify this property.
2/3 + (-3/2) = 0
Additive Inverse
6 x ? = -90
-15
-7 / ? = 1/4
-28
l -5 + (-2) l
7
-14 - l -21 l
-35
Identify the property
a(b + c) = ab + ac
Distributive