Math: Eureka Math Squared-aligned
Ages 11-14
8th grade (Eureka Math Squared-aligned)
This course contains Khan Academy practice problems crafted to support the Eureka Math Squared (EM2) curriculum. Designed to make it easier for districts, teachers, and students to find and use practice problems that complement EM2 lessons, this course was not produced in official partnership with Eureka Math Squared.
6 units
130 lessons
20 videos
0 on CDN
First 3 lessons are free
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Unit 2 Scientific notation, exponents, and irrational numbers
1
Large and small positive numbers
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2
Comparing large numbers
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3
Time to be more precise โ scientific notation
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4
Adding and subtracting numbers written in scientific notation
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5
Products of exponential expressions with whole-number exponents
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6
More properties of exponents
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7
Making sense of the exponent of 0
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8
Making sense of integer exponents
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10
Writing equivalent expressions
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11
Evaluating numerical expressions by using properties of exponents (optional)
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12
Small positive numbers in scientific notation
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14
Operations with numbers in scientific notation
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15
Applications with numbers in scientific notation
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17
Choosing units of measurement
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18
Get to the point
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19
Perfect squares and perfect cubes
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20
Solving equations with squares and cubes
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21
The Pythagorean theorem
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22
Using the Pythagorean theorem
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23
Square roots
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24
Approximating values of roots and ฯ^2
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26
Familiar and not so familiar numbers
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27
Ordering irrational numbers
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28
Revisiting equations with squares and cubes
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33
Functions and bivariate statistics: Unit test
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Unit 3 Rigid motions and congruent figures
1
Motions of the plane
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2
Translations
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3
Reflections
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4
Translations and reflections on the coordinate plane
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6
Rotations
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7
Rotations on the coordinate plane
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8
Working backward
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9
Sequencing the rigid motions
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10
Ordering sequences of rigid motions
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11
Congruent figures
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12
Showing figures are congruent
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14
Lines cut by a transversal
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15
Angle sum of a triangle
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Showing lines are parallel
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17
Exterior angles of triangles
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18
Find unknown angle measures
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20
Proving the Pythagorean theorem
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21
Proving the converse of the Pythagorean theorem
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22
Using the Pythagorean theorem and its converse
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23
Distance in the coordinate plane
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25
Applying the Pythagorean theorem
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26
On the right path
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Unit 4 Dilations and similar figures
1
Exploring dilations
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Enlargements
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Reductions and more enlargements
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4
Using lined paper to explore dilations
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6
Figures and dilations
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7
The shadowy hand
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8
Dilations on a grid
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9
Dilations on the coordinate plane
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10
Describing dilations
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11
Sequencing transformations
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13
Similar figures
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14
Exploring angles in similar triangles
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15
Similar triangles
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Using similar figures to find unknown side lengths
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17
Applications of similar figures
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18
Similar right triangles
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19
Similar triangles on a line
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Unit 5 Linear equations in one and two variables
1
Equations
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2
Solving linear equations
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4
Solving linear equations with rational coefficients
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Using linear equations to solve problems
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6
An interesting application of linear equations, part 1
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An interesting application of linear equations, part 2
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8
Linear equations with more than one solution
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9
Another possible number of solutions
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10
Writing linear equations
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12
Using linear equations to solve real-world problems
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13
Planning a trip
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14
Solutions to linear equations in two variables
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15
The graph of a linear equation in two variables
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16
Lines with special characteristics
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18
Comparing proportional relationships
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19
Proportional relationships and slope
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20
Slopes of rising lines
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Slopes of falling lines
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23
Using coordinates to find slope
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24
Slope-intercept form of the equation of a line
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25
Slope and parallel lines
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26
Point-slope form of the equation of a line
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28
Comparing equations in different forms
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29
The patterns, the pops, and the pastries
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30
Lines, lines, and more lines
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31
Linear equations from word problems
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32
Get to work
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Unit 6 Systems of linear equations
1
Solving problems with equations and their graphs
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2
Introduction to systems of linear equations
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3
Identifying solutions
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4
More than one solution
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6
Estimating solutions
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7
Solving systems of linear equations without graphing
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8
The substitution method
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9
Using tape diagrams to solve systems of equations (optional)
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10
Rewriting equations to solve a system of equations
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11
Choosing a solution method
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12
Writing and solving systems of equations for mathematical problems
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Solving historical problems with systems of equations
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14
Writing and solving systems of equations for real-world problems
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15
Back to the coordinate plane
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Unit 7 Functions and bivariate statistics
1
Motion and speed
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2
Definition of a function
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3
Linear functions and proportionality
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4
More examples of functions
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6
Graphs of functions and equations
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Linear functions and rate of change
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Interpreting rate of change and initial value
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10
Comparing functions
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11
Increasing and decreasing functions
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12
Graphs of nonlinear functions
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14
Scatter plots
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Patterns in scatter plots
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17
Informally fitting a line to data
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Determining an equation of a line fit to data
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Linear models
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21
Using the investigative process
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22
Analyzing the model
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23
Bivariate categorical data
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24
Association in bivariate categorical data
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25
Analyzing bivariate categorical data
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27
Volumes of prisms and pyramids
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28
Volume of cylinders
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Volume of cones
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30
Volume of spheres
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31
Applications of volume
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