Test Taking Strategy
ACT Facts
ACT Math
ACT More Math
Math Vocabulary and formulas
100

What should you do when you do not know how to solve a problem?

Move on to a question you do know

100

What percent of students in Chicago meet the Math Benchmark score?

20%

100

What is the greatest common factor of 42, 126, and 210? 

F) 2   G) 6   H) 14   J) 21   K) 42

What is K.

100

A typical high school student consumes 67.5 pounds of sugar per year. As part of a new nutrition plan, each member of a track team plans to lower the sugar he or she consumes by at least 20% for the coming year. Assuming each track member had consumed sugar at the level of a typical high school student and will adhere to this plan for the coming year, what is the maximum number of pounds of sugar to be consumed by each track team member in the coming year?

A. 14    B. 44    C. 48    D. 54    E. 66

What is D. 54

100

a2 + b2 = c2

Pythagorean Theorem

200

Situation: You've answered 38/45 questions and have 2 minutes left on the clock. The 7 questions remaining are questions about which you are unsure. What should you do?

Mark each question with the same answer (LOTD)

200

What are the total numbers of questions and minutes for the Math Section?

45 questions, 50 minutes

200

What is the degree measure of the acute angle formed by the hands of a 12-hour clock that reads exactly 1 o’clock? 

A) 15°   B) 30°   C) 45°   D) 60°   E) 72°

What is B.

200

There are 15 balls in a box: 8 balls are green, 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. What is the probability that a blue ball is selected at random from the box? 

A) 3/13   B) 4/15   C) 3/15   D) 4/13   E) 2/13

What is A. 3/13

200

What is the area of a triangle?

1/2B*H or (BH)/2

300

What should you use when you are given a system of equations or quadratic equation?

Type it into DESMOS

300

Where will most of the easier questions be on the test? How many do you need to get right for college readiness? 

In the first half of the test (generally arranged easier to harder-6th grade to Pre-Calculus)

20+ questions right

300

If xy = 144, x + y = 30, and x > y, what is the value of x – y ? 

F) 4   G) 6   H) 18   J) 22   K) 24

What is H.

300

The length of a rectangle is 3 times its width. If the width of the rectangle is 5 inches, what is the rectangle's area, in square inches? 

A) 15    B) 20    C) 30    D) 75    E) 40

What is D. 75

300

What should you set up if you see the word "similar" in reference to shapes?

proportion

400

Should you eat breakfast before the ACT?

Yes

400

What is the highest possible score you can get on the ACT?

36

400

A DVD player with a list price of $100 is marked down 30%. If John gets an employee discount of 20% off the sale price, how much does John pay for the DVD player? 

A) $86.00   B) $77.60   C) $56.00   D) $50.00   E) $44.00

What is C.

400

If the hypotenuse of a right triangle is 10 inches long and one of its legs is 5 inches long, how long is the other leg? 

A) 5    B) 5√3    C) 5√5    D) 75    E) 10 - √5

What is B) 5√3

400

How would you find volume of a rectangular prism?

length x width x height

500

What do you do if you plan to come back to a question that might take you a long time to solve?

Bookmark it for review 

500

What is the national benchmark for math?

22

500

What is the value of x when 

2x + 3 = 3x – 4 ? 

A. –7    B. 4.   C. 1    D. 0   E. 7

What is E. 7

500

In the standard (x,y) coordinate plane, the graph of (x + 3)2 + (y + 5)= 16 is a circle. What is the circumference of the circle, expressed in coordinate units? 

A) 4π    B) 5π    C) 3π    D) 8π    E) 25π

What is D) 8π

500

𝜋r2

Area of a Circle

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