8th Grade Math Strategies and Resources

Below you'll find a variety of easy-to-filter professional development-oriented resources for 8th Grade teachers—including a collection of videos which can help spark creative ideas to enhance your instructional practice, and offer clear guidance and support related to your grade-level standards.

189 Strategies

Filters
Sources

Achieve/EQuIP

1
supportingContent_3
Document

EQuIP Rubric for Lessons and Units - Mathematics

Achieve/EQuIP

EngageNY

1
resource_208
Video

Real-World Applications of Scientific Notation (Full video)

EngageNY

Khan Academy

177
resource_265
Video

Age word problem: Arman & Diya (Full video)

Khan Academy

resource_266
Video

Age word problem: Ben & William (Full video)

Khan Academy

resource_267
Video

Age word problem: Imran (Full video)

Khan Academy

resource_269
Video

Angles in a triangle sum to 180° proof (Full video)

Khan Academy

resource_271
Video

Angles, parallel lines, & transversals (Full video)

Khan Academy

resource_273
Video

Another Pythagorean theorem proof (Full video)

Khan Academy

resource_274
Video

Approximating square roots (Full video)

Khan Academy

resource_275
Video

Approximating square roots to hundredths (Full video)

Khan Academy

resource_276
Video

Approximating with powers of 10 (Full video)

Khan Academy

resource_291
Video

Bhaskara's proof of the Pythagorean theorem (Full video)

Khan Academy

resource_293
Video

Checking if a table represents a function (Full video)

Khan Academy

resource_294
Video

Classifying numbers (Full video)

Khan Academy

resource_295
Video

Classifying numbers: rational & irrational (Full video)

Khan Academy

resource_307
Video

Comparing Celsius and Fahrenheit temperature scales (Full video)

Khan Academy

resource_325
Video

Comparing linear functions word problem: climb (Full video)

Khan Academy

resource_326
Video

Comparing linear functions word problem: work (Full video)

Khan Academy

resource_327
Video

Comparing linear functions: equation vs. graph (Full video)

Khan Academy

resource_328
Video

Comparing linear functions: table vs. graph (1) (Full video)

Khan Academy

resource_329
Video

Comparing linear functions: table vs. graph (2) (Full video)

Khan Academy

resource_340
Video

Completing solutions to 2-variable equations (Full video)

Khan Academy

resource_341
Video

Congruence and similarity: Basic example (Full video)

Khan Academy

resource_342
Video

Congruent shapes & transformations (Full video)

Khan Academy

resource_350
Video

Constructing a scatter plot (Full video)

Khan Academy

resource_353
Video

Converting a fraction to a repeating decimal (Full video)

Khan Academy

resource_356
Video

Converting Fahrenheit to Celsius (Full video)

Khan Academy

resource_359
Video

Converting repeating decimals to fractions (part 1 of 2) (Full video)

Khan Academy

resource_360
Video

Converting repeating decimals to fractions (part 2 of 2) (Full video)

Khan Academy

resource_361
Video

Converting to slope-intercept form (Full video)

Khan Academy

resource_374
Video

Creating an equation with infinitely many solutions (Full video)

Khan Academy

resource_375
Video

Creating an equation with no solutions (Full video)

Khan Academy

resource_383
Video

Cylinder volume & surface area (Full video)

Khan Academy

resource_396
Video

Determining reflections (Full video)

Khan Academy

resource_399
Video

Dilating points (Full video)

Khan Academy

resource_400
Video

Dilating shapes: expanding (Full video)

Khan Academy

resource_401
Video

Dilating shapes: shrinking (Full video)

Khan Academy

resource_402
Video

Dilations and properties (Full video)

Khan Academy

resource_403
Video

Dilations intro (Full video)

Khan Academy

resource_404
Video

Dilations: scale factor (Full video)

Khan Academy

resource_405
Video

Dimensions of a cube from its volume (Full video)

Khan Academy

resource_437
Video

Does a vertical line represent a function? (Full video)

Khan Academy

resource_442
Video

Equation with variables on both sides: fractions (Full video)

Khan Academy

resource_446
Video

Equations with parentheses (Full video)

Khan Academy

resource_447
Video

Equations with variables on both sides: 20 - 7x = 6x - 6 (Full video)

Khan Academy

resource_459
Video

Estimating the line of best fit exercise (Full video)

Khan Academy

resource_466
Video

Example of direction in scatterplots (Full video)

Khan Academy

resource_470
Video

Exponent properties with parentheses (Full video)

Khan Academy

resource_471
Video

Exponent properties with products (Full video)

Khan Academy

resource_472
Video

Exponent properties with quotients (Full video)

Khan Academy

resource_488
Video

Finding distance with Pythagorean theorem (Full video)

Khan Academy

resource_490
Video

Finding measures using rigid transformations (Full video)

Khan Academy

resource_496
Video

Forming systems of equations with different numbers of solutions (Full video)

Khan Academy

resource_505
Video

Garfield's proof of the Pythagorean theorem (Full video)

Khan Academy

resource_507
Video

Graph from slope-intercept equation (Full video)

Khan Academy

resource_508
Video

Graphing a linear equation: 5x + 2y = 20 (Full video)

Khan Academy

resource_511
Video

Graphing proportional relationships from a table (Full video)

Khan Academy

resource_512
Video

Graphing proportional relationships from an equation (Full video)

Khan Academy

resource_513
Video

Graphing proportional relationships: unit rate (Full video)

Khan Academy

resource_519
Video

How volume changes from changing dimensions (Full video)

Khan Academy

resource_533
Video

Inconsistent systems of equations: fruit prices (1 of 2) (Full video)

Khan Academy

resource_534
Video

Inconsistent systems of equations: fruit prices (2 of 2) (Full video)

Khan Academy

resource_536
Video

Intercepts from an equation (Full video)

Khan Academy

resource_538
Video

Interpreting a graph example (Full video)

Khan Academy

resource_541
Video

Interpreting a trend line (Full video)

Khan Academy

resource_559
Video

Interpreting two-way tables (Full video)

Khan Academy

resource_564
Video

Intro to cube roots (Full video)

Khan Academy

resource_565
Video

Intro to equations with variables on both sides (Full video)

Khan Academy

resource_570
Video

Intro to intercepts (Full video)

Khan Academy

resource_581
Video

Intro to rational & irrational numbers (Full video)

Khan Academy

resource_585
Video

Intro to slope (Full video)

Khan Academy

resource_586
Video

Intro to square roots (Full video)

Khan Academy

resource_588
Video

Intro to the Pythagorean theorem (Full video)

Khan Academy

resource_592
Video

Introduction to geometric transformations (Full video)

Khan Academy

resource_602
Video

Line of best fit: smoking in 1945 (Full video)

Khan Academy

resource_604
Video

Linear & nonlinear functions: missing value (Full video)

Khan Academy

resource_605
Video

Linear & nonlinear functions: table (Full video)

Khan Academy

resource_606
Video

Linear & nonlinear functions: word problem (Full video)

Khan Academy

resource_607
Video

Linear equations word problems: earnings (Full video)

Khan Academy

resource_608
Video

Linear equations word problems: volcano (Full video)

Khan Academy

resource_609
Video

Linear function example: spending money (Full video)

Khan Academy

resource_610
Video

Linear functions word problem: fuel (Full video)

Khan Academy

resource_611
Video

Linear functions word problem: pool (Full video)

Khan Academy

resource_612
Video

Linear graphs word problem: cats (Full video)

Khan Academy

resource_613
Video

Linear graphs word problems (Full video)

Khan Academy

resource_619
Video

Manipulating formulas: temperature (Full video)

Khan Academy

resource_620
Video

Mapping shapes (Full video)

Khan Academy

resource_640
Video

Missing angles with a transversal (Full video)

Khan Academy

resource_642
Video

Modeling with linear equations: gym membership & lemonade (Full video)

Khan Academy

resource_643
Video

Modeling with linear equations: snow (Full video)

Khan Academy

resource_658
Video

Multiplying & dividing in scientific notation (Full video)

Khan Academy

resource_659
Video

Multiplying & dividing powers (integer exponents) (Full video)

Khan Academy

resource_681
Video

Multiplying in scientific notation example (Full video)

Khan Academy

resource_683
Video

Multiplying multiples of powers of 10 (Full video)

Khan Academy

resource_685
Video

Multiplying three numbers in scientific notation (Full video)

Khan Academy

resource_693
Video

Negative exponent intuition (Full video)

Khan Academy

resource_694
Video

Negative exponents (Full video)

Khan Academy

resource_699
Video

Non-congruent shapes & transformations (Full video)

Khan Academy

resource_701
Video

Number of solutions to a system of equations graphically (Full video)

Khan Academy

resource_702
Video

Number of solutions to equations (Full video)

Khan Academy

resource_751
Video

Powers of zero (Full video)

Khan Academy

resource_762
Video

Proving slope is constant using similarity (Full video)

Khan Academy

resource_763
Video

Pythagorean theorem example (Full video)

Khan Academy

resource_764
Video

Pythagorean theorem proof using similarity (Full video)

Khan Academy

resource_765
Video

Pythagorean theorem with isosceles triangle (Full video)

Khan Academy

resource_766
Video

Pythagorean theorem word problem: carpet (Full video)

Khan Academy

resource_767
Video

Pythagorean theorem word problem: fishing boat (Full video)

Khan Academy

resource_774
Video

Rates & proportional relationships example (Full video)

Khan Academy

resource_775
Video

Rates & proportional relationships: gas mileage (Full video)

Khan Academy

resource_792
Video

Recognizing functions from graph (Full video)

Khan Academy

resource_793
Video

Recognizing functions from table (Full video)

Khan Academy

resource_794
Video

Recognizing linear functions (Full video)

Khan Academy

resource_795
Video

Reflecting points (Full video)

Khan Academy

resource_797
Video

Reflecting shapes (Full video)

Khan Academy

resource_801
Video

Relations and functions (Full video)

Khan Academy

resource_806
Video

Rigid transformations intro (Full video)

Khan Academy

resource_807
Video

Rigid transformations: preserved properties (Full video)

Khan Academy

resource_808
Video

Rotating points (Full video)

Khan Academy

resource_819
Video

Scatter plot: smokers (Full video)

Khan Academy

resource_820
Video

Scientific notation example: 0.0000000003457 (Full video)

Khan Academy

resource_821
Video

Scientific notation examples (Full video)

Khan Academy

resource_822
Video

Scientific notation word problem: red blood cells (Full video)

Khan Academy

resource_823
Video

Scientific notation word problem: speed of light (Full video)

Khan Academy

resource_824
Video

Scientific notation word problem: U.S. national debt (Full video)

Khan Academy

resource_826
Video

Side lengths after dilation (Full video)

Khan Academy

resource_827
Video

Similar shapes & transformations (Full video)

Khan Academy

resource_833
Video

Slope of a horizontal line (Full video)

Khan Academy

resource_834
Video

Slope of a line: negative slope (Full video)

Khan Academy

resource_835
Video

Slope-intercept equation from graph (Full video)

Khan Academy

resource_836
Video

Slope-intercept equation from slope & point (Full video)

Khan Academy

resource_837
Video

Slope-intercept equation from two points (Full video)

Khan Academy

resource_838
Video

Solutions to 2-variable equations (Full video)

Khan Academy

resource_869
Video

System of equations word problem: no solution (Full video)

Khan Academy

resource_870
Video

Systems of equations number of solutions: y=3x+1 & 2y+4=6x (Full video)

Khan Academy

resource_871
Video

Systems of equations with elimination: -3y + 4x = 11 and y + 2x = 13 (Full video)

Khan Academy

resource_872
Video

Systems of equations with elimination: 2x - y = 14 and -6x + 3y = -42 (Full video)

Khan Academy

resource_873
Video

Systems of equations with elimination: 3t + 4g = 6 and -6t + g = 6 (Full video)

Khan Academy

resource_874
Video

Systems of equations with elimination: 4x - 2y = 5 and 2x - y = 2.5 (Full video)

Khan Academy

resource_875
Video

Systems of equations with elimination: 6x - 6y = -24 and -5x - 5y = -60 (Full video)

Khan Academy

resource_876
Video

Systems of equations with elimination: apples and oranges (Full video)

Khan Academy

resource_877
Video

Systems of equations with elimination: coffee and croissants (Full video)

Khan Academy

resource_878
Video

Systems of equations with elimination: King's cupcakes (Full video)

Khan Academy

resource_879
Video

Systems of equations with elimination: potato chips (Full video)

Khan Academy

resource_880
Video

Systems of equations with elimination: Sum/difference of numbers (Full video)

Khan Academy

resource_881
Video

Systems of equations with elimination: TV & DVD (Full video)

Khan Academy

resource_882
Video

Systems of equations with elimination: x - 4y = -18 and -x + 3y = 11 (Full video)

Khan Academy

resource_883
Video

Systems of equations with elimination: x + 2y = 6 and 4x - 2y = 14 (Full video)

Khan Academy

resource_884
Video

Systems of equations with graphing (Full video)

Khan Academy

resource_885
Video

Systems of equations with graphing: 5x + 3y = 7 and 3x - 2y = 8 (Full video)

Khan Academy

resource_886
Video

Systems of equations with graphing: chores (Full video)

Khan Academy

resource_887
Video

Systems of equations with graphing: y = (7/5)x - 5 and y = (3/5)x - 1 (Full video)

Khan Academy

resource_888
Video

Systems of equations with substitution: -3x - 4y = -2 and y = 2x - 5 (Full video)

Khan Academy

resource_889
Video

Systems of equations with substitution: 2y = x + 7 and x = y - 4 (Full video)

Khan Academy

resource_890
Video

Systems of equations with substitution: 9x + 3y = 15 and y - x = 5 (Full video)

Khan Academy

resource_891
Video

Systems of equations with substitution: coins (Full video)

Khan Academy

resource_892
Video

Systems of equations with substitution: potato chips (Full video)

Khan Academy

resource_893
Video

Systems of equations with substitution: shelves (Full video)

Khan Academy

resource_894
Video

Systems of equations with substitution: y = -5x + 8 and 10x + 2y = -2 (Full video)

Khan Academy

resource_895
Video

Systems of equations with substitution: y= (-1/4)x + 100 and y = (-1/4)x + 120 (Full video)

Khan Academy

resource_896
Video

Systems of equations with substitution: y= 4x - 17.5 and y + 2x = 6.5 (Full video)

Khan Academy

resource_897
Video

Systems of equations: trolls, tolls (1 of 2) (Full video)

Khan Academy

resource_898
Video

Systems of equations: trolls, tolls (2 of 2) (Full video)

Khan Academy

resource_906
Video

Testing solutions to linear equations (Full video)

Khan Academy

resource_907
Video

The 0 & 1st power (Full video)

Khan Academy

resource_920
Video

Triangle exterior angle example (Full video)

Khan Academy

resource_930
Video

Two-way frequency tables and Venn diagrams (Full video)

Khan Academy

resource_931
Video

Two-way relative frequency tables (Full video)

Khan Academy

resource_939
Video

Use Pythagorean theorem to find area of an isosceles triangle (Full video)

Khan Academy

resource_950
Video

Volume of a cone (Full video)

Khan Academy

resource_954
Video

Volume of a sphere (Full video)

Khan Academy

resource_973
Video

Worked example: intercepts from an equation (Full video)

Khan Academy

resource_974
Video

Worked example: number of solutions to equations (Full video)

Khan Academy

resource_976
Video

Worked example: slope from graph (Full video)

Khan Academy

resource_977
Video

Worked example: slope from two points (Full video)

Khan Academy

resource_978
Video

Worked example: solutions to 2-variable equations (Full video)

Khan Academy

resource_982
Video

Worked example: Triangle angles (diagram) (Full video)

Khan Academy

resource_983
Video

Worked example: Triangle angles (intersecting lines) (Full video)

Khan Academy

resource_985
Video

Worked examples: slope-intercept intro (Full video)

Khan Academy

resource_997
Video

X-intercept of a line (Full video)

Khan Academy

Student Achievement Partners

5
resource_1
Video

The Common Core Shifts in Mathematics

Student Achievement Partners

resource_133
Video

Teachers on Focus (Full video)

Student Achievement Partners

resource_211
Video

Representing Linear Relationships (Full video)

Student Achievement Partners

resource_223
Video

Solving Systems of Equations by Substitution (Full video)

Student Achievement Partners

resource_224

Clip 1: Introducing the Lesson (00:08-09:37)

Solving Systems of Equations by Substitution

resource_225

Clip 2: Introducing the Problem of the Day (9:38-12:55)

Solving Systems of Equations by Substitution

resource_226

Clip 3: Group Work Problem #1 (12:56-17:58)

Solving Systems of Equations by Substitution

resource_227

Clip 4: Group Work Problem #2 (17:59-23:19)

Solving Systems of Equations by Substitution

resource_228

Clip 5: Group Work Problem #3 (23:20-32:12)

Solving Systems of Equations by Substitution

resource_229

Clip 6: Remaining Group Work (32:13-01:02:11)

Solving Systems of Equations by Substitution

resource_230

Clip 7: Debrief and Close (01:02:11-01:04:05)

Solving Systems of Equations by Substitution

supportingContent_1
Document

Common Core State Standards Shifts in Mathematics

Student Achievement Partners

The Hunt Institute

5
resource_2
Video

The Importance of Coherence in Mathematics

The Hunt Institute

resource_209
Video

Ratio and Proportion in Grades 6-8: Connections to College and Career Skills (Full video)

The Hunt Institute

resource_210
Video

Gathering Momentum for Algebra (Full video)

The Hunt Institute

resource_3
Video

The Importance of Focus in Mathematics

The Hunt Institute

resource_4
Video

The Importance of Mathematical Practices

The Hunt Institute