HESI A2 MATH PRACTICE EXAM – 100 VERIFIED
QUESTIONS WITH CORRECT ANSWERS AND RATIONALES
CORE DOMAINS
Basic Arithmetic: Fractions, Decimals, and Percentages
Ratios, Proportions, and Rate Calculations
Measurement Conversions: Metric and Household
Dosage Calculations and Medication Math
Basic Algebra and Equation Solving
Word Problems and Data Interpretation
INTRODUCTION
This comprehensive practice examination is designed for nursing students
preparing for the HESI A2 Mathematics section. It covers all major topics
tested on the exam, including fractions, decimals, percentages, ratios,
proportions, unit conversions, dosage calculations, basic algebra, and word
problems. Each question is followed by a detailed, step-by-step rationale to
reinforce understanding and build mathematical proficiency. The questions
are formatted to mirror the actual HESI A2 exam, providing realistic
preparation for test day. Emphasis is placed on accuracy, speed, and the
application of mathematical principles to healthcare scenarios.
SECTION ONE: QUESTIONS 1–100
1. What is 2/3 + 1/6?
A. 1/2
B. 5/6
C. 1/3
D. 3/4
B. 5/6
RATIONALE: Convert 2/3 to 4/6. 4/6 + 1/6 = 5/6.
2. Convert 0.45 to a fraction in simplest form.
,A. 9/20
B. 45/100
C. 4/5
D. 5/9
A. 9/20
RATIONALE: 0.45 = 45/100. Divide numerator and denominator by 5:
9/20.
3. What is 25% of 180?
A. 35
B. 40
C. 45
D. 50
C. 45
RATIONALE: 0.25 × 180 = 45.
4. What is the decimal equivalent of 3/8?
A. 0.25
B. 0.375
C. 0.5
D. 0.625
B. 0.375
RATIONALE: 3 ÷ 8 = 0.375.
5. Subtract: 5 1/4 − 2 3/4
A. 2 1/2
B. 3
C. 2 3/4
D. 2 1/4
A. 2 1/2
RATIONALE: Convert to improper fractions: 21/4 − 11/4 = 10/4 = 2 1/2.
, 6. Multiply: 2/5 × 3/7
A. 5/12
B. 6/35
C. 6/12
D. 5/35
B. 6/35
RATIONALE: (2 × 3) / (5 × 7) = 6/35.
7. Divide: 3/4 ÷ 1/2
A. 3/8
B. 1 1/2
C. 2/3
D. 3/2
B. 1 1/2
RATIONALE: 3/4 × 2/1 = 6/4 = 1 1/2.
8. What is 15% of 300?
A. 30
B. 40
C. 45
D. 50
C. 45
RATIONALE: 0.15 × 300 = 45.
9. Convert 7/20 to a decimal.
A. 0.35
B. 0.28
C. 0.7
D. 0.14
A. 0.35
RATIONALE: 7 ÷ 20 = 0.35.
QUESTIONS WITH CORRECT ANSWERS AND RATIONALES
CORE DOMAINS
Basic Arithmetic: Fractions, Decimals, and Percentages
Ratios, Proportions, and Rate Calculations
Measurement Conversions: Metric and Household
Dosage Calculations and Medication Math
Basic Algebra and Equation Solving
Word Problems and Data Interpretation
INTRODUCTION
This comprehensive practice examination is designed for nursing students
preparing for the HESI A2 Mathematics section. It covers all major topics
tested on the exam, including fractions, decimals, percentages, ratios,
proportions, unit conversions, dosage calculations, basic algebra, and word
problems. Each question is followed by a detailed, step-by-step rationale to
reinforce understanding and build mathematical proficiency. The questions
are formatted to mirror the actual HESI A2 exam, providing realistic
preparation for test day. Emphasis is placed on accuracy, speed, and the
application of mathematical principles to healthcare scenarios.
SECTION ONE: QUESTIONS 1–100
1. What is 2/3 + 1/6?
A. 1/2
B. 5/6
C. 1/3
D. 3/4
B. 5/6
RATIONALE: Convert 2/3 to 4/6. 4/6 + 1/6 = 5/6.
2. Convert 0.45 to a fraction in simplest form.
,A. 9/20
B. 45/100
C. 4/5
D. 5/9
A. 9/20
RATIONALE: 0.45 = 45/100. Divide numerator and denominator by 5:
9/20.
3. What is 25% of 180?
A. 35
B. 40
C. 45
D. 50
C. 45
RATIONALE: 0.25 × 180 = 45.
4. What is the decimal equivalent of 3/8?
A. 0.25
B. 0.375
C. 0.5
D. 0.625
B. 0.375
RATIONALE: 3 ÷ 8 = 0.375.
5. Subtract: 5 1/4 − 2 3/4
A. 2 1/2
B. 3
C. 2 3/4
D. 2 1/4
A. 2 1/2
RATIONALE: Convert to improper fractions: 21/4 − 11/4 = 10/4 = 2 1/2.
, 6. Multiply: 2/5 × 3/7
A. 5/12
B. 6/35
C. 6/12
D. 5/35
B. 6/35
RATIONALE: (2 × 3) / (5 × 7) = 6/35.
7. Divide: 3/4 ÷ 1/2
A. 3/8
B. 1 1/2
C. 2/3
D. 3/2
B. 1 1/2
RATIONALE: 3/4 × 2/1 = 6/4 = 1 1/2.
8. What is 15% of 300?
A. 30
B. 40
C. 45
D. 50
C. 45
RATIONALE: 0.15 × 300 = 45.
9. Convert 7/20 to a decimal.
A. 0.35
B. 0.28
C. 0.7
D. 0.14
A. 0.35
RATIONALE: 7 ÷ 20 = 0.35.
