ACT Math Formula Sheet 2027 | Top 15 Formulas ✨
π₯ FREE FOR 2027 BATCH
ACT Math Formula Sheet 2027
15+ Essential Formulas to Score 30+ on ACT Math
π― TARGET: 30+
15+
Formulas
5
With Graphs
30+
Target Score
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⬇️ Complete PDF with 15+ formulas + graphs + practice questions
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π 15+ Essential ACT Math Formulas
1. Quadratic Formula HIGH YIELD
x = [-b ± √(b² - 4ac)] / 2a
where a, b, c are constants and a ≠ 0
π Graph: y = ax² + bx + c · ax² + bx + c = 0
2. Distance Formula HIGH YIELD
d = √[(x₂ - x₁)² + (y₂ - y₁)²]
Finds distance between two points (x₁, y₁) and (x₂, y₂)
π Graph: (x₁, y₁) · (x₂, y₂) · Origin (O)
3. Midpoint Formula HIGH YIELD
M = ((x₁ + x₂)/2, (y₁ + y₂)/2)
Finds midpoint between two points
π Graph: (x₁, y₁) · (x₂, y₂) · M = midpoint
4. Slope Formula HIGH YIELD
m = (y₂ - y₁) / (x₂ - x₁)
Finds slope of a line through two points
π Graph: (x₁, y₁) · (x₂, y₂) · Rise · Run · Origin (O)
5. Pythagorean Theorem HIGH YIELD
a² + b² = c²
a, b = legs · c = hypotenuse (longest side)
π Graph: a · b · c (hypotenuse) · Right Triangle
6. Slope-Intercept Form ESSENTIAL
y = mx + b
m = slope · b = y-intercept
7. Standard Form of a Line
Ax + By = C
A, B, C are constants
8. Area of a Circle ESSENTIAL
A = Οr²
r = radius of the circle
9. Circumference of a Circle
C = 2Οr
r = radius of the circle
10. Area of a Triangle ESSENTIAL
A = ½ × base × height
base and height are perpendicular
11. Area of a Rectangle
A = length × width
l = length · w = width
12. Volume of a Cylinder
V = Οr²h
r = radius · h = height
13. Volume of a Rectangular Prism
V = length × width × height
l = length · w = width · h = height
14. Mean (Average) ESSENTIAL
Mean = (sum of all values) / (number of values)
Also known as average
15. Probability
P = (favorable outcomes) / (total outcomes)
Probability is always between 0 and 1
16. Volume of a Sphere
V = ⁴⁄₃Οr³
r = radius of the sphere
π§ How to Use This Formula Sheet
π 1 Month Before
Review 2-3 formulas daily. Write them from memory without looking.
π 1 Week Before
Memorize 5 formulas/day. Focus on high-yield formulas (Quadratic, Trig, Pythagorean).
π Night Before
5-minute glance at all formulas. Build confidence.
π Test Day Morning
Quick review of top 5 most common formulas.
π ACT Math Topic Breakdown
| Topic | % of Test | # of Questions |
|---|---|---|
| Pre-Algebra | 20-25% | 12-15 |
| Elementary Algebra | 15-20% | 9-12 |
| Intermediate Algebra | 15-20% | 9-12 |
| Coordinate Geometry | 15-20% | 9-12 |
| Plane Geometry | 20-25% | 12-15 |
| Trigonometry | 5-10% | 3-6 |
π§ Pro Tips for ACT Math
π‘ Memorize Before Practice: Don't look at the cheat sheet while practicing. Force your brain to remember. This builds muscle memory.
π‘ Focus on Algebra & Geometry: 60-70% of ACT Math comes from these areas. Master them first.
π‘ Skip Hard Questions First: Every question is worth the same. Don't waste time on hard ones early.
π‘ Process of Elimination: Even without the formula, you can eliminate 1-2 wrong answers on most questions.
✅ Quick Reference: 15+ Formulas at a Glance
π· Quadratic Formula
π· Distance Formula
π· Midpoint Formula
π· Slope Formula
π· Pythagorean Theorem
π· Slope-Intercept Form
π· Standard Form of Line
π· Area of Circle
π· Circumference
π· Area of Triangle
π· Area of Rectangle
π· Volume of Cylinder
π· Volume of Prism
π· Mean (Average)
π· Probability
π· Volume of Sphere
❓ Frequently Asked Questions
Is this formula sheet really free?
Yes. 100% free. No email required. Just download and use.
Can I share this with my friends?
Absolutely! Share with your study group. Better scores for everyone!
Does this cover the digital ACT?
Yes. Digital ACT has the same math content. The formulas are identical.
When is the ACT 2027 test date?
Check ACT.org for official dates. Most students take in February, April, June, July, and September.
π― Your target: 30+ in ACT Math
You have the formulas. Now practice smart. You've got this! πͺ
@learneasyhub · Free for 2027 Batch
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