Resources
Testimonials
Plans
Sign in
Sign up
Resources
Testimonials
Plans
Home
Math Problems
Grade 7
Add and subtract positive and negative decimals
Add.
\newline
5.6
+
7.8
=
5.6 + 7.8 =
5.6
+
7.8
=
_____
Get tutor help
Add.
\newline
9.5
+
(
−
2.5
)
=
9.5 + (-2.5) =
9.5
+
(
−
2.5
)
=
_____
Get tutor help
Add.
\newline
3.2
+
1.8
=
3.2 + 1.8 =
3.2
+
1.8
=
_____
Get tutor help
Add.
\newline
−
1
5
+
3
5
=
-\frac{1}{5} + \frac{3}{5} =
−
5
1
+
5
3
=
_____
Get tutor help
Subtract.
\newline
4
5
−
2
5
=
_
_
_
\frac{4}{5} - \frac{2}{5} = \_\_\_
5
4
−
5
2
=
___
Get tutor help
Subtract.
\newline
5
6
−
4
6
=
_
_
_
\frac{5}{6} - \frac{4}{6} = \_\_\_
6
5
−
6
4
=
___
Get tutor help
Add.
\newline
2
5
+
3
5
=
\frac{2}{5} + \frac{3}{5} =
5
2
+
5
3
=
_____
Get tutor help
−
3.6
−
1.9
t
+
1.2
+
5.1
t
-3.6 - 1.9t + 1.2 + 5.1t
−
3.6
−
1.9
t
+
1.2
+
5.1
t
Get tutor help
(
1.5
−
2.9
i
)
+
(
4.3
+
1.4
i
)
(1.5-2.9 i)+(4.3+1.4 i)
(
1.5
−
2.9
i
)
+
(
4.3
+
1.4
i
)
Get tutor help
3
+
2.5
×
5
−
4
×
8
=
3+2.5\times 5-4\times 8=
3
+
2.5
×
5
−
4
×
8
=
Get tutor help
Which expression is equivalent to
30.4
+
(
−
40.4
)
30.4+(-40.4)
30.4
+
(
−
40.4
)
?
\newline
30.4
−
40.4
30.4-40.4
30.4
−
40.4
\newline
40.4
−
30.4
40.4-30.4
40.4
−
30.4
\newline
−
40.4
+
(
−
30.4
)
-40.4+(-30.4)
−
40.4
+
(
−
30.4
)
\newline
−
40.4
−
30.4
-40.4-30.4
−
40.4
−
30.4
Get tutor help
