TSI Math Test Prep | Actual Questions and Answers Latest
Updated 2026/2027 (Graded A+)
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range
- ✔✔the difference between the highest and lowest scores in a distribution (think: greatest -
least)
•
mode
- ✔✔The value that occurs most frequently in a given data set. (think: Most Often)
•
median
- ✔✔Middle number (think: med = mid)
•
mean
- ✔✔average (add then divide)
•
permutation
- ✔✔An arrangement of objects in which order is important
•
combinations
- ✔✔a grouping of items in which order does not matter (5x4x3x2x1)
•
difference of two squares
- ✔✔a² - b² = (a + b)(a - b)
•
product of powers
- ✔✔add the exponents if the base is the same
•
quotient of powers
- ✔✔subtract the exponents if the base is the same
•
Slope Formula, given 2 points
- ✔✔rise/run or change in y over change in x
•
slope intercept form
Updated 2026/2027 (Graded A+)
•
range
- ✔✔the difference between the highest and lowest scores in a distribution (think: greatest -
least)
•
mode
- ✔✔The value that occurs most frequently in a given data set. (think: Most Often)
•
median
- ✔✔Middle number (think: med = mid)
•
mean
- ✔✔average (add then divide)
•
permutation
- ✔✔An arrangement of objects in which order is important
•
combinations
- ✔✔a grouping of items in which order does not matter (5x4x3x2x1)
•
difference of two squares
- ✔✔a² - b² = (a + b)(a - b)
•
product of powers
- ✔✔add the exponents if the base is the same
•
quotient of powers
- ✔✔subtract the exponents if the base is the same
•
Slope Formula, given 2 points
- ✔✔rise/run or change in y over change in x
•
slope intercept form
