SAT
Digital SAT vocabulary for students: maths terms, Words in Context and grammar, explained in plain English and 8 languages. AUSLEX is not affiliated with College Board.
Reviewed entries
372 entriesStart with the maths vocabulary: many students know the maths but lose marks on the English wording. Words in Context vocabulary, grammar rule cards and original practice questions are being added. SAT is a trademark of College Board; check the official site for the latest test details.
Grammar rule cards (240 practice questions)
Reading and Writing practice (100 questions)
⏱ Timed module practice (Reading and Writing · Math)
Digital SAT at a glance
| Reading and Writing | 54 questions in two 32-minute modules (64 minutes); each question has its own short passage. |
|---|---|
| Math | 44 questions in two 35-minute modules (70 minutes); a calculator (built-in Desmos) is allowed on every question; some answers are typed in. |
| Total | 2 hours 14 minutes plus a 10-minute break; the second module of each section adapts to your first-module performance; scored 400–1600. |
Official free practice: Bluebook · College Board SAT practice · Khan Academy
ubiquitous
adjectiveSeeming to be everywhere.
Smartphones have become ubiquitous.
ultimately
adverbA transition meaning "in the end" or "most importantly".
The plan faced many obstacles but ultimately succeeded.
undermine
verbTo make something weaker or less effective, often gradually.
The new findings undermine the earlier theory.
underscore
verbTo emphasise or show the importance of something.
The results underscore the need for more research.
unit circle
nounA circle with radius 1 centred at the origin, used to define trigonometric values.
On the unit circle, cos θ is the x-coordinate.
unit conversion
nounChanging a measurement from one unit to another, such as minutes to hours.
Unit conversion: 3 hours equals 180 minutes.
unit rate
nounA rate for one unit of something, such as $3 per kilogram.
Find the unit rate to compare the two prices.
unprecedented
adjectiveNever having happened or existed before.
The city saw unprecedented growth in the 1950s.
variable
nounA letter, such as x or y, that stands for an unknown or changing number.
Solve for the variable x.
vertex
nounThe highest or lowest point of a parabola; also a corner of a shape.
The vertex of y = (x − 2)² + 3 is (2, 3).
vertical angles
nounOpposite angles formed by two crossing lines; they are equal.
Vertical angles have equal measures.
The amount of space something fills, the amount of something, or how loud a sound is.
The volume of online shopping increased sharply.
wary
adjectiveCareful because you think there may be danger or problems.
Investors are wary of new regulations.
weighted average
nounAn average where some values count more than others.
The final grade is a weighted average of tests and homework.
whole number
nounA number with no fractional part, usually 0, 1, 2, 3 and so on.
The answer must be a whole number.
wistful
adjectiveFeeling a gentle sadness and longing for something.
She gave a wistful look at the old house.
x-axis
nounThe horizontal line on a graph, often showing time or categories.
The years are shown on the x-axis.
x-intercept
nounThe point where a graph crosses the x-axis.
Find the x-intercept by setting y to 0.
y-axis
nounThe vertical line on a graph, usually showing amounts or values.
The y-axis shows sales in millions of dollars.
y-intercept
nounThe point where a graph crosses the y-axis.
The line y = 3x − 4 has a y-intercept of −4.
yield
verbIn context: to produce a result; or to give way to pressure.
The experiment yielded surprising results.
An input value that makes the function equal zero, shown where the graph crosses the x-axis.
The zeros of the function are −1 and 3.