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Math Problems
Grade 7
Write variable expressions: one operation
Write an expression for the operation described below.
\newline
add
s
s
s
to
2
2
2
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Write an expression for the operation described below.
\newline
multiply
3
3
3
by
z
z
z
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Write an expression for the operation described below.
\newline
multiply
2
2
2
by
r
r
r
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Write an expression for the operation described below.
\newline
multiply
5
5
5
by
r
r
r
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Write an expression for the operation described below.
\newline
multiply
8
8
8
by
r
r
r
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Write an expression for the operation described below.
\newline
subtract
a
a
a
from
9
9
9
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Write an expression for the operation described below.
\newline
multiply
3
3
3
by
t
t
t
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Write an expression for the operation described below.
\newline
multiply
3
3
3
by
w
w
w
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Write an expression for the operation described below.
\newline
add
4
4
4
and
a
a
a
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What is the value of the expression below when
z
=
6
z=6
z
=
6
?
\newline
6
z
−
10
6 z-10
6
z
−
10
\newline
Answer:
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Evaluate the expression
9
−
z
9 - z
9
−
z
when
z
=
4
z=4
z
=
4
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