Math 38
Chapter 4
Yellow
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NO CALCULATOR nor cell phone nor tablet/computer. ... and NO NOTES.
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Write the mixed number as an improper fraction.
3
1) 7
1)
8
Write the improper fraction as a mixed or whole number.
19
2)
5
2)
Write the fraction in simplest form.
10
3)
14
3)
10
45
4)
5)
24k3
6k
5)
6)
63t 3 v 2
27tv
6)
4) -
Multiply or Divide. Write the answer in simplest form.
1 4
7) ·
8 5
7)
8)
2 1 5
· ·
5 5 8
8)
9)
b a4
·
a 2 b4
9)
10)
4 1
÷
3 6
10)
11)
4
8
÷
9x x 2
11)
1
12)
15x 2 25x
÷
40y
64y
12)
13)
5 9
4
·
÷
9 5 25
13)
14)
143 64
13
·
÷
16 121
11
14)
Decide whether the given replacement value is a solution of the given equation.
4
4
15) Is
a solution to 5x = ?
15
3
15)
Solve. Write the fraction in simplest form.
16) A warehouse stores 410 different inventory items.
2
of these items are perishable.
5
16)
How many of the inventory items are perishable?
17) Find the area of the rectangle. Write the answer in simplest form. Recall that the area =
length · width.
A=
6
foot
11
B=
1
foot
3
Add or subtract as indicated. Write the answer in simplest form.
4 2
18) +
9 9
19) -
15
5
+
16 16
17)
18)
19)
2
20) -
6
4
- 10
10
20)
Evaluate the expression for the given replacement values. Write the answer in simplest form.
1
7
21) x + y for x =
,y=
25
15
Find the perimeter of the figure.
22)
21)
22)
1
feet
60
5
feet
42
Triangle
11
feet
18
Simplify the complex fraction.
2
9
23)
3
13
24)
23)
1
20
24)
3
35
Simplify.
25)
4 1 1
÷ ·
5 9 6
25)
26)
4 2 4
1
÷
5
5 15
26)
3
Find the average of the pair of numbers.
7 9
27) ,
8 20
27)
Perform the indicated operation. Write the answer as a MIXED NUMBER in simplest form.
4
2
28) 1 · 6
5
3
28)
29) 4
2
1
·2
7
6
29)
30) 1
1
1
÷2
5
20
30)
1
3
+ 16
5
7
31)
7
2
+3
10
25
32)
31) 10
32) 6
33)
33)
19
7
10
-4
1
10
4
34)
34)
14
1
5
-9
2
5
Perform the indicated operation. Write the answer as a mixed number in simplest form.
1
1
35) -38 + 4
4
6
35)
5
1
+ -45
7
7
36)
1 x
4
+ =
3 5 15
37)
21
11
38)
36) 40
Solve.
37)
38) -3z = -
5