HESI ADMISSION ASSESSMENT (MATH)

HESI ADMISSION
ASSESSMENT (MATH)


Mathematics


Basic Addition and Subtraction
Vocabulary
Digit: Any number 1 through 9 and 0 (e.g., the number 7 is
a digit).
Place Value: The value of the position of a digit in a number
(e.g., in the number 321, the number 2 is in the “tens”
position).




(From Ogden SJ, Fluharty LK: Calculation of drug dosages: A work
text, ed 9, St. Louis, 2012, Elsevier/Mosby.)




HESI Hint
1 ten = 10 ones

,1 hundred = 100 ones
1 thousand = 1000 ones
Basic Addition
Example 1




Steps
1.Line up the digits according to place value.
2.Add the digits starting from right to left:
• Ones: 2 + 3 = 5
• Tens: 6 + 3 = 9
• Hundreds: 4 + 1 = 5


Addition with Regrouping
HESI Hint
To solve an addition problem, it may be necessary to regroup
by moving, or carrying over, an extra digit from one place
value column to the next.

Example 2

,Steps
1.Line up the digits according to place value.
2.Add:
• Ones: 5 + 9 = 14
• Carry the 1 to the tens place, which is one place to the left.
• Tens: 1 + 3 + 5 = 9
• Hundreds: 8 + 5 = 13


Basic Subtraction
Subtraction provides the difference between two numbers.

HESI Hint
It may be easier to solve a subtraction problem by first
rewriting it vertically.

Example 1

, Steps
1.Line up the digits according to place value.
2.Subtract:
• Ones: 4 − 2 = 2
• Tens: 3 − 1 = 2
• Hundreds: 2 − 1 = 1
• Thousands: 5 − 4 = 1


Subtraction with Regrouping
HESI Hint
Remember, if the number to subtract is not a positive number,
you must borrow, or regroup, from one place value to a lower
place value.
Example 2