**HESI A2 Entrance Exam Math Study Guide 2025/2026:
Master 'Number Power Review' Concepts by Robert
Mitchell & Pass on Your First Attempt! – 90 Practice
Questions with Detailed Rationales**
---
**1.** Convert 5/8 to a decimal.
A) 0.5
B) 0.625
C) 0.75
D) 0.875
🔍 **RATIONALE** 💡-- Divide numerator by denominator: 5 ÷ 8 = 0.625.
ANSWER💫✔️-- **B) 0.625**
---
**2.** What is 35% of 80?
A) 28
B) 25
C) 30
D) 35
🔍 **RATIONALE** 💡-- 35% = 0.35. 0.35 × 80 = 28.
,ANSWER💫✔️-- **A) 28**
---
**3.** A recipe calls for 2/3 cup of sugar. If you want to make half the recipe, how much sugar do you
need?
A) 1/3 cup
B) 1/2 cup
C) 3/4 cup
D) 1/4 cup
🔍 **RATIONALE** 💡-- Half of 2/3 = (1/2) × (2/3) = 2/6 = 1/3.
ANSWER💫✔️-- **A) 1/3 cup**
---
**4.** Solve for x: 3x + 7 = 22.
A) 5
B) 6
C) 7
D) 4
🔍 **RATIONALE** 💡-- 3x = 22 – 7 = 15; x = 15 ÷ 3 = 5.
ANSWER💫✔️-- **A) 5**
---
,**5.** Which of the following is the largest?
A) 0.045
B) 0.45
C) 0.054
D) 0.504
🔍 **RATIONALE** 💡-- Compare decimals: 0.504 > 0.45 > 0.054 > 0.045.
ANSWER💫✔️-- **D) 0.504**
---
**6.** What is the ratio of 3 feet to 12 inches? (Simplify)
A) 3:1
B) 1:3
C) 1:1
D) 4:1
🔍 **RATIONALE** 💡-- Convert to same units: 3 feet = 36 inches. Ratio 36:12 = 3:1.
ANSWER💫✔️-- **A) 3:1**
---
**7.** A class has 18 boys and 12 girls. What percentage of the class are girls?
A) 60%
B) 40%
C) 66.7%
, D) 33.3%
🔍 **RATIONALE** 💡-- Total students = 30. Girls: 12/30 = 0.4 = 40%.
ANSWER💫✔️-- **B) 40%**
---
**8.** Subtract: 7/8 – 1/4 = ?
A) 3/8
B) 5/8
C) 6/8
D) 1/2
🔍 **RATIONALE** 💡-- Convert 1/4 to 2/8. 7/8 – 2/8 = 5/8.
ANSWER💫✔️-- **B) 5/8**
---
**9.** Multiply: 0.03 × 0.05 = ?
A) 0.0015
B) 0.015
C) 0.15
D) 0.00015
🔍 **RATIONALE** 💡-- 3 × 5 = 15; decimal places: 2 + 2 = 4, so 0.0015.
Master 'Number Power Review' Concepts by Robert
Mitchell & Pass on Your First Attempt! – 90 Practice
Questions with Detailed Rationales**
---
**1.** Convert 5/8 to a decimal.
A) 0.5
B) 0.625
C) 0.75
D) 0.875
🔍 **RATIONALE** 💡-- Divide numerator by denominator: 5 ÷ 8 = 0.625.
ANSWER💫✔️-- **B) 0.625**
---
**2.** What is 35% of 80?
A) 28
B) 25
C) 30
D) 35
🔍 **RATIONALE** 💡-- 35% = 0.35. 0.35 × 80 = 28.
,ANSWER💫✔️-- **A) 28**
---
**3.** A recipe calls for 2/3 cup of sugar. If you want to make half the recipe, how much sugar do you
need?
A) 1/3 cup
B) 1/2 cup
C) 3/4 cup
D) 1/4 cup
🔍 **RATIONALE** 💡-- Half of 2/3 = (1/2) × (2/3) = 2/6 = 1/3.
ANSWER💫✔️-- **A) 1/3 cup**
---
**4.** Solve for x: 3x + 7 = 22.
A) 5
B) 6
C) 7
D) 4
🔍 **RATIONALE** 💡-- 3x = 22 – 7 = 15; x = 15 ÷ 3 = 5.
ANSWER💫✔️-- **A) 5**
---
,**5.** Which of the following is the largest?
A) 0.045
B) 0.45
C) 0.054
D) 0.504
🔍 **RATIONALE** 💡-- Compare decimals: 0.504 > 0.45 > 0.054 > 0.045.
ANSWER💫✔️-- **D) 0.504**
---
**6.** What is the ratio of 3 feet to 12 inches? (Simplify)
A) 3:1
B) 1:3
C) 1:1
D) 4:1
🔍 **RATIONALE** 💡-- Convert to same units: 3 feet = 36 inches. Ratio 36:12 = 3:1.
ANSWER💫✔️-- **A) 3:1**
---
**7.** A class has 18 boys and 12 girls. What percentage of the class are girls?
A) 60%
B) 40%
C) 66.7%
, D) 33.3%
🔍 **RATIONALE** 💡-- Total students = 30. Girls: 12/30 = 0.4 = 40%.
ANSWER💫✔️-- **B) 40%**
---
**8.** Subtract: 7/8 – 1/4 = ?
A) 3/8
B) 5/8
C) 6/8
D) 1/2
🔍 **RATIONALE** 💡-- Convert 1/4 to 2/8. 7/8 – 2/8 = 5/8.
ANSWER💫✔️-- **B) 5/8**
---
**9.** Multiply: 0.03 × 0.05 = ?
A) 0.0015
B) 0.015
C) 0.15
D) 0.00015
🔍 **RATIONALE** 💡-- 3 × 5 = 15; decimal places: 2 + 2 = 4, so 0.0015.
