HESI A2 Mathematics 2025/2026 – 100% Correct Questions with Step-by-Step Rationales | Drug Calculations & Algebra Included

HESI A2 Mathematics 2025/2026 – 100% Correct
Questions with Step-by-Step Rationales | Drug
Calculations & Algebra Included


Basic Operations (20 Questions)
Question 1: What is the sum of 245 and 178?
A) 413
B) 423
C) 433
D) 443
Answer: B
Solution:
245 + 178 = ?
Align numbers:
245

178



Add: 245 + 178 = 423.
Verify: 423 - 178 = 245.
Final Answer: 423

Question 2: Subtract 456 from 789.
A) 323
B) 333
C) 343
D) 353
Answer: B
Solution:
789 - 456 = ?
Align numbers:
789

456

,Subtract: 789 - 456 = 333.
Verify: 333 + 456 = 789.
Final Answer: 333

Question 3: Multiply 23 by 15.
A) 325
B) 335
C) 345
D) 355
Answer: C
Solution:
23 × 15 = ?
Break down: 23 × (10 + 5) = (23 × 10) + (23 × 5) = 230 + 115 = 345.
Verify: 345 ÷ 15 = 23.
Final Answer: 345

Question 4: Divide 528 by 12.
A) 42
B) 44
C) 46
D) 48
Answer: B
Solution:
528 ÷ 12 = ?
12 × 44 = 12 × (40 + 4) = 480 + 48 = 528.
528 ÷ 12 = 44 (no remainder).
Verify: 44 × 12 = 528.
Final Answer: 44

Question 5: What is 19 + 27 - 13?
A) 31
B) 33
C) 35
D) 37
Answer: B
Solution:
Follow order of operations (left to right for addition/subtraction):
19 + 27 = 46.
46 - 13 = 33.
Verify: 33 + 13 = 46, and 46 - 27 = 19.
Final Answer: 33

Question 6: Calculate 84 ÷ 7 + 5.
A) 17
B) 19
C) 21

, D) 23
Answer: A
Solution:
Follow order of operations (division before addition):
84 ÷ 7 = 12.
12 + 5 = 17.
Verify: 17 - 5 = 12, and 12 × 7 = 84.
Final Answer: 17

Question 7: What is 56 × 3 - 24?
A) 144
B) 148
C) 152
D) 156
Answer: A
Solution:
Follow order of operations (multiplication before subtraction):
56 × 3 = 168.
168 - 24 = 144.
Verify: 144 + 24 = 168, and 168 ÷ 3 = 56.
Final Answer: 144

Question 8: Add 392 and 517.
A) 899
B) 909
C) 919
D) 929
Answer: B
Solution:
392 + 517 = ?
Align numbers:
392

517



Add: 392 + 517 = 909.
Verify: 909 - 517 = 392.
Final Answer: 909

Question 9: Subtract 123 from 500.
A) 367
B) 377
C) 387
D) 397