Subtract Using Additive Inverse
7th Grade Math · Flashcards
7TH GRADE MATH · FLASHCARDS
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QUESTION
Find the value of
−
5
−
8
-5-8
−
5
−
8
by rewriting as
−
5
+
(
−
8
)
-5+(-8)
−
5
+
(
−
8
)
.
QUESTION
Identify the sign change when subtracting a number
q
q
q
: what happens to
q
q
q
in
p
−
q
p-q
p
−
q
?
QUESTION
Find the value of
−
6
−
(
−
9
)
-6-(-9)
−
6
−
(
−
9
)
by rewriting as addition.
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ANSWER
3
3
3
.
−
6
−
(
−
9
)
=
−
6
+
9
=
3
-6-(-9)=-6+9=3
−
6
−
(
−
9
)
=
−
6
+
9
=
3
by adding the opposite.
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