Eighth grade math
IXL offers hundreds of eighth grade math skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.
IXL offers hundreds of eighth grade math skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.
A. Number theory

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B. Integers
C. Operations with integers
D. Exponents

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E. Scientific notation
F. Square roots and cube roots
G. Rational numbers
H. Operations with rational numbers
I. Rational and irrational numbers
J. Ratios, rates, and proportions
K. Proportional relationships
L. Percents
M. Consumer math
N. Units of measurement
O. Problem solving
P. Coordinate plane
Q. Twodimensional figures
R. Transformations and congruence

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S. Transformations and similarity
T. Pythagorean theorem
U. Threedimensional figures
V. Geometric measurement

2
W. Number sequences
X. Expressions and properties
Y. Onevariable equations
Z. Onevariable inequalities
AA. Linear equations

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BB. Functions
CC. Systems of linear equations
DD. Monomials and polynomials
EE. Data and graphs

14
FF. Statistics
GG. Probability

10

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Eighth grade lessons
These lessons help you brush up on important math topics and prepare you to dive into skill practice!
Integers
Rational and irrational numbers
Exponents, scientific notation, and roots
Proportional relationships
Percents
Twodimensional figures
 Parts of a circle
 Area of circles
 Circumference of circles
 Complementary angles
 Supplementary angles
 Adjacent angles
 Vertical angles
 Transversals of parallel lines
 Interior angles of triangles
 Exterior angles of triangles
 The Pythagorean theorem
 The converse of the Pythagorean theorem
 Distance formula