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Math Problems
Grade 7
Add and subtract decimals
A bee colony produced
8.5
8.5
8.5
pounds of honey, but bears ate
5.8
5.8
5.8
pounds of it. How much honey remains?
\newline
_____ pounds
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Lacey mixed
0.4
0.4
0.4
grams of salt into a pot of soup she was cooking. Before she served the soup, Lacey added
0.4
0.4
0.4
grams of salt. How much salt did Lacey put into the soup in all?
\newline
\newline
_
_
_
_
\_\_\_\_
____
grams
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A construction company bought
2.5
2.5
2.5
tons of gravel and
1.2
1.2
1.2
tons of sand. How many tons of material did the company buy in all?
\newline
\newline
_
_
_
_
\_\_\_\_
____
tons
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It snowed
9.6
9.6
9.6
inches on Monday and
9.3
9.3
9.3
inches on Tuesday. How much did it snow on Monday and Tuesday combined?
\newline
_____ inches
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Monica weighed two colored metal balls during a science class. The green ball weighed
0.7
0.7
0.7
pounds and the blue ball weighed
0.1
0.1
0.1
pounds. If Monica places both balls on the scale at the same time, what will the scale read?
\newline
_
_
_
_
\_\_\_\_
____
pounds
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Find the value of
x
x
x
.
\newline
3.6
3.6
3.6
\newline
8.8
8.8
8.8
\newline
5.4
5.4
5.4
\newline
4
4
4
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Multiply.
\newline
7.08
×
4.27
\begin{array}{r} 7.08 \\ \times 4.27 \\ \hline \end{array}
7.08
×
4.27
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21.3
+
r
=
−
19.79
21.3 + r = -19.79
21.3
+
r
=
−
19.79
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5.
(
13.5
−
4.5
)
5.(13.5-4.5)
5.
(
13.5
−
4.5
)
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aren had
1
ℓ
1 \ell
1
ℓ
of juice.
\newline
the drank
1
5
l
\frac{1}{5} l
5
1
l
and spilled
1
4
l
\frac{1}{4} l
4
1
l
low much juice did she have
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To get to work each morning, Emily takes a horse
10
10
10
.
98
98
98
kilometers and a bike
4
4
4
.
06
06
06
kilometers.
\newline
How many kilometers is Emily's journey in total?
\newline
□
\square
□
kilometers
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Bernardo invested
$
2
,
000
\$2,000
$2
,
000
in two different types of stocks. The first type cost
$
32
\$32
$32
per share, and the second cost
$
48
\$48
$48
per share. Between the two types, he purchased a total of
47
47
47
shares. How many shares of the
$
48
\$48
$48
-per-share stock did he purchase?
\newline
◻
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? -
9.155
+
13.865
=
27.656
9.155+13.865=27.656
9.155
+
13.865
=
27.656
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12.00
−
3.45
12.00 - 3.45
12.00
−
3.45
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Y
=
18.53
+
0.1543
x
∗
50
Y=18.53+0.1543x*50
Y
=
18.53
+
0.1543
x
∗
50
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26.04
÷
−
6.2
26.04 \div-6.2
26.04
÷
−
6.2
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31.572
/
18
=
31.572 / 18=
31.572/18
=
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703.07
+
1
,
031.875
−
75
+
5
703.07+ 1,031.875-75+5
703.07
+
1
,
031.875
−
75
+
5
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X
×
.
04
=
75000
X\times.04=75000
X
×
.04
=
75000
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Sobee
0.6
+
0.
7
‾
+
0.
47
‾
0.6+0 . \overline{7}+0 . \overline{47}
0.6
+
0.
7
+
0.
47
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2
2
2
.
99.1
+
100
=
99.1+100=
99.1
+
100
=
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8061
−
4248
≈
8061 - 4248 \approx
8061
−
4248
≈
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220
3.82
\frac{220}{3.82}
3.82
220
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5.4
−
.
28
5.4-.28
5.4
−
.28
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5.44
+
0.256
5.44 + 0.256
5.44
+
0.256
=
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33.366
÷
6.7
=
33.366\div6.7=
33.366
÷
6.7
=
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Last month, Margo bought a tree that grows
2.5
c
m
2.5 \mathrm{~cm}
2.5
cm
each day. It was
5
c
m
5 \mathrm{~cm}
5
cm
tall when she bought it and now it is
65
c
m
65 \mathrm{~cm}
65
cm
tall. How many days has Margo owned the plant?
\newline
□
\square
□
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33.8
÷
2.6
=
33.8 \div 2.6 =
33.8
÷
2.6
=
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Evaluate:
\newline
(
14
(14
(
14
.
3
3
3
+
+
+
5
5
5
.
99
)
99)
99
)
−
2
×
1.6
-2\times1.6
−
2
×
1.6
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Add.
\newline
208
+
301
□
□
\begin{array}{r} 208 \\ +301 \\ \hline \square \quad \square \end{array}
208
+
301
□
□
\newline
Submit
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1.191
+
76.79
1.191+76.79
1.191
+
76.79
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21.452
/
0.62
21.452/ 0.62
21.452/0.62
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1.691
/
0.19
1.691/0.19
1.691/0.19
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217
217
217
.
39
39
39
\newline
$
7.62
−
23
\$ 7.62-23
$7.62
−
23
\newline
cents
=
=
=
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16.2
−
0.3
16.2-0.3
16.2
−
0.3
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12
12
12
. Ken's average speed for a trip is
14
14
14
miles per hour. During the first part of the trip, he traveled at
15
15
15
miles per hour for
2
2
2
hours, and then traveled at a different speed for
1
1
1
hour the rest of the way. What was her speed for the second part of the trip?
\newline
E.
7.5
m
p
h
\quad 7.5 \mathrm{mph}
7.5
mph
\newline
F.
12.0
m
p
h
12.0 \mathrm{mph}
12.0
mph
\newline
G.
15.0
m
p
h
15.0 \mathrm{mph}
15.0
mph
\newline
H.
22.5
m
p
h
22.5 \mathrm{mph}
22.5
mph
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39.42
−
20.27
\begin{array}{r}39.42 \\ -20.27 \\ \hline\end{array}
39.42
−
20.27
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Traci spent
1
3
\frac{1}{3}
3
1
hour eating breakfast and
1
6
\frac{1}{6}
6
1
hour helping clean up after breakfast. How much time did she spend in all?
\newline
Give your answer in simplest form.
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Solve for
x
x
x
:
\newline
4.4
=
x
−
5.6
4.4=x-5.6
4.4
=
x
−
5.6
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y
+
y
−
0.2
y
y+ y -0.2y
y
+
y
−
0.2
y
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Find the mean:
1
,
3.5
,
2
,
9
,
0.3
1, 3.5, 2, 9, 0.3
1
,
3.5
,
2
,
9
,
0.3
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Amira had
7
4
\frac{7}{4}
4
7
of a bag of cat food. The food lasted
7
7
2
7 \frac{7}{2}
7
2
7
weeks.
\newline
How much cat food did Amira's cats eat per week?
\newline
bags
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ation.
−
0.6
+
0.4
y
=
1.4
-0.6+0.4 y=1.4
−
0.6
+
0.4
y
=
1.4
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Find the mean:
1
,
3.5
,
2.9
,
0.3
1,3.5,2.9,0.3
1
,
3.5
,
2.9
,
0.3
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Convert rupees into paisa.
\newline
880.85
880.85
880.85
=
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Find the value of
x
x
x
in the equation below.
\newline
x
−
13.6
=
7.6
x-13.6=7.6
x
−
13.6
=
7.6
\newline
Answer:
x
=
x=
x
=
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Which expression is equivalent to
99.7
−
(
−
57.9
)
99.7-(-57.9)
99.7
−
(
−
57.9
)
?
\newline
99.7
−
57.9
99.7-57.9
99.7
−
57.9
\newline
57.9
−
99.7
57.9-99.7
57.9
−
99.7
\newline
−
57.9
−
99.7
-57.9-99.7
−
57.9
−
99.7
\newline
99.7
+
57.9
99.7+57.9
99.7
+
57.9
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