Deck 16: Appendix Review of Decimals and Percent

Question 1

Convert the decimal to a percent.
2.8

A) 280%
B) 0.0028%
C) 0.28%
D) 28%

Answer 1

280%

Question 2

Perform the indicated operations.
Add 92.48 + 94.88 + 18.789.

A) 206.249
B) 206.159
C) 206.149
D) 207.149

Answer 2

206.149

Question 3

Solve the problem.
Find 75% of 96.

A) 12.8
B) 72
C) 720
D) 8

Answer 3

72

Question 4

Convert the percent to a decimal.
1.6%

A) 1.6
B) 16.0
C) 0.016
D) 0.16

Question 5

Solve the problem.
A certain county charges 4% sales tax. Find the sales tax on a stereo that cost $890 and the total cost of the stereo, including tax. Round answers to the nearest cent.

A) $26.70, $916.70
B) $44.50, $934.50
C) $356.00, $1246.00
D) $35.60, $925.60

Question 6

Perform the indicated operations.
Divide 10.26 by 1.9.

A) 6.4
B) 54
C) 0.54
D) 5.4

Question 7

Convert the percent to a decimal.
2.9%

A) 0.0029
B) 2.9
C) 0.029
D) 0.29

Question 8

Round as indicated.
Round 13.342 to tenths.

A) 13.4
B) 13.2
C) 13.34
D) 13.3

Question 9

Convert the decimal to a percent.
5.33

A) 533%
B) 53.3%
C) 0.0533%
D) 0.533%

Question 10

Convert the decimal to a percent.
0.62

A) 620%
B) 6.2%
C) 0.062%
D) 62%

Question 11

Perform the indicated operations.
Multiply 0.05 × 0.5.

A) 2.5
B) 0.0025
C) 0.25
D) 0.025

Question 12

Perform the indicated operations.
Divide

A) 19.1
B) 0.05235602
C) 1.91
D) 0.52356021

Question 13

Perform the indicated operations.
Subtract 5.248 from 7.1.

A) 3.000
B) 1.852
C) 2.852
D) 1.948

Question 14

Convert the percent to a decimal.
86%

A) 8.6
B) 0.086
C) 86.0
D) 0.86

Question 15

Solve the problem.
Find 22% of 33.

A) 7.26
B) 726
C) 0.726
D) 72.6

Question 16

Perform the indicated operations.
Multiply 10.1 × 5.20.

A) 525.2
B) 52.52
C) 5.252
D) 0.5252

Question 17

Perform the indicated operations.
Add 51.88 + 8.427 + 7.37 + 5.29.

A) 72.977
B) 72.967
C) 73.067
D) 73.967

Question 18

Convert the percent to a decimal.
4%

A) 4
B) 40.0
C) 0.04
D) 0.4

Question 19

Perform the indicated operations.
Subtract 0.893 from 28.

A) 27.207
B) 28.893
C) 26.607
D) 27.107

Question 20

Round as indicated.
Round 8.6741 to hundredths.

A) 8.68
B) 8.673
C) 8.674
D) 8.67

Question 21

Determine the prime factorization of the number.
126

A) 2 ·3 ·3 ·7
B) 2 ·2 ·3 ·3 ·7
C) 3 ·3 ·14
D) 2 ·3 ·7

Question 22

Determine the least common denominator.

A) 450
B) 5
C) 90
D) 55

Question 23

Find the complementary angle of the following.
25°

A) 65°
B) 120°
C) 155°
D) 60°

Question 24

Find the GCF of the numbers.
26 and 39

A) 26
B) 39
C) 13
D) 78

Question 25

Simplify.

A)
B)
C)
D)

Question 26

Determine the prime factorization of the number.
20

A) 2 ·2 ·5
B) 5 ·5
C) 4 ·5
D) 10 ·2

Question 27

Determine the prime factorization of the number.
567

A) 3 ·3·3 ·3·7·7
B) 3 ·3·3·7
C) 3 ·3·3 ·3·7
D) 3 ·3·3·7 ·7

Question 28

Find the complementary angle of the following.

A) 90°
B) 30°
C)
D)

Question 29

Add.

A)
B)
C)
D)

Question 30

Simplify.

A)
B)
C)
D)

Question 31

Determine the least common denominator.

A) 96
B) 336
C) 48
D) 16

Question 32

Simplify.

A)
B)
C)
D)

Question 33

Solve the problem.
A certain county charges 5% sales tax. Find the sales tax on a portable phone that cost $476 and the total cost of the phone, including tax. Round answers to the nearest cent.

A) $23.80, $499.80
B) $238.00, $714.00
C) $19.04, $495.04
D) $28.56, $504.56

Question 34

Find the complementary angle of the following.
52.8°

A) 90°
B) 37.2°
C) 127.2°
D) 38.8°

Question 35

Classify the angle as acute, right, straight or obtuse.

A) straight
B) obtuse
C) right
D) acute

Question 36

Determine the prime factorization of the number.
66

A) 3 ·3 ·2
B) 2 ·3 ·11
C) 2 ·2 ·11
D) 6 ·11

Question 37

Classify the angle as acute, right, straight or obtuse.

A) right
B) obtuse
C) straight
D) acute

Question 38

Find the complementary angle of the following.
78°

A) 192°
B) 12°
C) 102°
D) 282°

Question 39

Classify the angle as acute, right, straight or obtuse.

A) acute
B) obtuse
C) right
D) straight

Question 40

Classify the angle as acute, right, straight or obtuse.

A) straight
B) acute
C) obtuse
D) right

Question 41

Find the supplementary angle of the following.
76°

A) 166°
B) 14°
C) 24°
D) 104°

Question 42

Given the set of parallel lines cut by a transversal shown here, determine the measure of the indicated angle.
Find the measure of ∠1.

A) 70°
B) 170°
C) 160°
D) 110°

Question 43

Find the supplementary angle of the following.
101.5°

A) 79°
B) 78.5°
C) 11.5°
D) 79.5°

Question 44

The angles are supplementary angles. Find the measure of each angle.

A) 36° and 144°
B) 18° and 72°
C) 41° and 139°
D) 72° and 288°

Question 45

The angles are complementary angles. Find the measure of each angle.

A) 30° and 60°
B) 17° and 34°
C) 15° and 30°
D) 60° and 120°

Question 46

The angles are supplementary angles. Find the measure of each angle.

A) 108° and 72°
B) 103° and 77°
C) 54° and 36°
D) 216° and 144°

Question 47

The angles are complementary angles. Find the measure of each angle.

A) 70° and 20°
B) 35° and 10°
C) 140° and 40°
D) 65° and 25°

Question 48

Solve the problem.
Find the sum of the interior angles of a 7-sided polygon.

A) 900°
B) 1260°
C) 180°
D) 720°

Question 49

Name the polygon.

A) heptagon
B) quadrilateral
C) octagon
D) hexagon

Question 50

Find the supplementary angle of the following.
155°

A) 25°
B) 205°
C) 245°
D) 115°

Question 51

Find the supplementary angle of the following.
58°

A) 212°
B) 302°
C) 122°
D) 32°

Question 52

Name the polygon.

A) hexagon
B) pentagon
C) heptagon
D) quadrilateral

Question 53

Find the supplementary angle of the following.

A)
B)
C) 22°
D) 180°

Question 54

Find the measures of each marked angle.

A) 101°, 30°
B) 101°, 79°
C) 70°, 30°
D) 70°, 79°

Question 55

The angles are supplementary angles. Find the measure of each angle.

A) 54° and 36°
B) 103° and 77°
C) 216° and 144°
D) 108° and 72°

Question 56

Find the measures of each numbered angle. Assume that l1 is parallel to l2.

A) ∠1 = ∠3 = ∠6 = ∠9 = 139°, ∠2 = 114°, ∠4 = ∠5 = ∠8 = 41°, ∠7 = ∠10 = 66°
B) ∠1 = ∠3 = ∠4 = ∠5 = 66°, ∠2 = 114°, ∠6 = ∠9 = ∠8 =41°, ∠7 = ∠10 = 73°
C) ∠1 = ∠3 = ∠6 = ∠9 = 139°, ∠2 = 114°, ∠4 = ∠5 = ∠8 = 73°, ∠7 = ∠10 = 66°
D) ∠1 = ∠3 = ∠6 = ∠9 = 66°, ∠2 = 114°, ∠4 = ∠5 = ∠8 = 41°, ∠7 = ∠10 = 73°

Question 57

Find the measures of each marked angle.

A) 124°, 124°
B) 135°, 124°
C) 124°, 95°
D) 135°, 95°

Question 58

Find the measures of the marked angles.
are parallel.

A) 118°, 118°
B) 118°, 98°
C) 83°, 133°
D) 133°, 133°

Question 59

The angles are complementary angles. Find the measure of each angle.

A) 40° and 50°
B) 20° and 25°
C) 45° and 45°
D) 80° and 100°

Question 60

The angles are complementary angles. Find the measure of each angle.

A) 60° and 120°
B) 27° and 63°
C) 15° and 30°
D) 17° and 34°

Question 61

The figures are similar. Find the length of the side marked x.

A) 38
B) 32
C) 50
D) 40

Question 62

Solve the problem.
Find the sum of the interior angles of a hexagon.

A) 1080°
B) 540°
C) 180°
D) 720°

Question 63

The figures are similar. Find the length of the side marked x.

A) 3
B) 9
C) 3.04
D) 2

Question 64

Quadrilaterals ABCD and PQRS are congruent. Find the length of the side.
the length of side AD

A) 5
B) 7
C) 6
D) 17

Question 65

Quadrilaterals ABCD and A'B'C'D' are similar figures. Find the length of the side.
side A'D'

A) 10
B) 5
C) 15
D) 12

Question 66

Quadrilaterals ABCD and PQRS are congruent. Find the measure of the angle.
m∠ADC

A) 80°
B) 135°
C) 45°
D) 100°

Question 67

Find the length of the side given that ≅ABC c≅DEF.
the length of side AC

A) length of side EF
B) length of side DF
C) length of side DE

Question 68

Solve the problem.
Find the measure of angle 1.

A) 170°
B) 75°
C) 160°
D) 165°

Question 69

Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.

A) right, isosceles
B) obtuse, scalene
C) acute, scalene
D) right, scalene

Question 70

Find the measure of an interior angle of the regular polygon.
hexagon

A) 210
B) 150
C) 180
D) 120

Question 71

Solve the problem.
Find the measure of angle 5 in the figure shown.

A) 60°
B) 70°
C) 50°
D) 40°

Question 72

Find the measure of the angle given that

A) FDE
B) DFE
C) DEF

Question 73

Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.

A) acute, isosceles
B) obtuse, scalene
C) acute, scalene
D) obtuse, isosceles

Question 74

Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.

A) right, equilateral
B) acute, equilateral
C) right, isosceles
D) acute, scalene

Question 75

The figures are similar. Find the length of the side marked x.

A) 9
B) 27
C) 13
D) 18

Question 76

The figures are similar. Find the length of the side marked x.

A) 264
B) 2.2
C) 4.1
D) 29.3

Question 77

The figures are similar. Find the length of the side marked x.

A) 16.4
B) 22.5
C) 14.4
D) 10

Question 78

Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.

A) acute, scalene
B) obtuse, equilateral
C) obtuse, scalene
D) obtuse, isosceles

Question 79

Solve the problem.
Find the measure of an interior angle of the regular polygon.

A) 108°
B) 135°
C) 180°
D) 120°

Question 80

Pentagons ABCDE and A'B'C'D'E' are similar figures. Find the measure of the angle.

A) 60°
B) 130°
C) 40°
D) 50°