HESI A2 Mathematics 100% Verified Practice Exam –
Fully Explained Questions with Expert Rationales
for Guaranteed Success
80 Multiple-Choice Questions with Complete Solutions
Instructions
This exam contains 80 multiple-choice questions covering decimals, percent-
ages, fractions, ratios, conversions, and algebraic reasoning for the HESI A2 Math-
ematics section. Each question has four answer options (A–D). Select the best an-
swer. Rationales are provided after each question to explain the correct choice.
A final answer key is included at the end. Use a calculator where permitted and
round to the nearest hundredth unless specified.
Questions
1. What is 0.625 as a fraction in simplest form?
A. 58
B. 35
C. 10
6
D. 12
Answer: A
Rationale: To convert 0.625 to a fraction, write it as 1000
625
. Simplify by divid-
ing numerator and denominator by their greatest common divisor (125):
625÷125
1000÷125
= 58 . Option A is correct.
2. A nurse administers 2.5 mL of medication. How many liters is this?
A. 0.0025 L
B. 0.025 L
C. 0.25 L
D. 2.5 L
Answer: A
Rationale: 1 mL = 0.001 L. Thus, 2.5 mL = 2.5 × 0.001 = 0.0025 L. Option A is
correct.
3. What is 15% of 80?
A. 10
B. 12
C. 15
D. 18
Answer: B
Rationale: Convert 15% to a decimal: 15 ÷ 100 = 0.15. Multiply by 80: 0.15 ×
80 = 12. Option B is correct.
4. Simplify the ratio 18:24.
A. 3:4
1
, B. 2:3
C. 6:8
D. 9:12
Answer: A
Rationale: Divide both terms by their greatest common divisor (6): 18÷6 =
3, 24 ÷ 6 = 4. The simplified ratio is 3:4. Option A is correct.
5. Convert 3/4 to a percentage.
A. 50%
B. 60%
C. 75%
D. 80%
Answer: C
Rationale: Divide 3 by 4: 3 ÷ 4 = 0.75. Convert to percentage: 0.75 × 100 =
75%. Option C is correct.
6. Solve for x: 2x + 5 = 13.
A. 3
B. 4
C. 5
D. 6
Answer: B
Rationale: Subtract 5 from both sides: 2x = 13 − 5 = 8. Divide by 2: x =
8 ÷ 2 = 4. Option B is correct.
7. A patient drinks 1.2 liters of water. How many milliliters is this?
A. 120 mL
B. 1200 mL
C. 12000 mL
D. 120000 mL
Answer: B
Rationale: 1 L = 1000 mL. Thus, 1.2 L = 1.2 × 1000 = 1200 mL. Option B is
correct.
8. Add: 32 + 16 .
A. 39
B. 46
C. 56
D. 12
Answer: C
Rationale: Find a common denominator (6). Convert 2
3
= 46 . Add: 4
6
+ 61 = 56 .
Option C is correct.
9. What is 25% off a $120 item?
A. $30
B. $60
C. $90
D. $100
Answer: A
2
Fully Explained Questions with Expert Rationales
for Guaranteed Success
80 Multiple-Choice Questions with Complete Solutions
Instructions
This exam contains 80 multiple-choice questions covering decimals, percent-
ages, fractions, ratios, conversions, and algebraic reasoning for the HESI A2 Math-
ematics section. Each question has four answer options (A–D). Select the best an-
swer. Rationales are provided after each question to explain the correct choice.
A final answer key is included at the end. Use a calculator where permitted and
round to the nearest hundredth unless specified.
Questions
1. What is 0.625 as a fraction in simplest form?
A. 58
B. 35
C. 10
6
D. 12
Answer: A
Rationale: To convert 0.625 to a fraction, write it as 1000
625
. Simplify by divid-
ing numerator and denominator by their greatest common divisor (125):
625÷125
1000÷125
= 58 . Option A is correct.
2. A nurse administers 2.5 mL of medication. How many liters is this?
A. 0.0025 L
B. 0.025 L
C. 0.25 L
D. 2.5 L
Answer: A
Rationale: 1 mL = 0.001 L. Thus, 2.5 mL = 2.5 × 0.001 = 0.0025 L. Option A is
correct.
3. What is 15% of 80?
A. 10
B. 12
C. 15
D. 18
Answer: B
Rationale: Convert 15% to a decimal: 15 ÷ 100 = 0.15. Multiply by 80: 0.15 ×
80 = 12. Option B is correct.
4. Simplify the ratio 18:24.
A. 3:4
1
, B. 2:3
C. 6:8
D. 9:12
Answer: A
Rationale: Divide both terms by their greatest common divisor (6): 18÷6 =
3, 24 ÷ 6 = 4. The simplified ratio is 3:4. Option A is correct.
5. Convert 3/4 to a percentage.
A. 50%
B. 60%
C. 75%
D. 80%
Answer: C
Rationale: Divide 3 by 4: 3 ÷ 4 = 0.75. Convert to percentage: 0.75 × 100 =
75%. Option C is correct.
6. Solve for x: 2x + 5 = 13.
A. 3
B. 4
C. 5
D. 6
Answer: B
Rationale: Subtract 5 from both sides: 2x = 13 − 5 = 8. Divide by 2: x =
8 ÷ 2 = 4. Option B is correct.
7. A patient drinks 1.2 liters of water. How many milliliters is this?
A. 120 mL
B. 1200 mL
C. 12000 mL
D. 120000 mL
Answer: B
Rationale: 1 L = 1000 mL. Thus, 1.2 L = 1.2 × 1000 = 1200 mL. Option B is
correct.
8. Add: 32 + 16 .
A. 39
B. 46
C. 56
D. 12
Answer: C
Rationale: Find a common denominator (6). Convert 2
3
= 46 . Add: 4
6
+ 61 = 56 .
Option C is correct.
9. What is 25% off a $120 item?
A. $30
B. $60
C. $90
D. $100
Answer: A
2
