8th grade math (TX TEKS)
10 units157 videos12 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Value and magnitude of rational numbers
Relationships between sets of rational numbers
Ordering rational numbers
Unit 2: Statistics with univariate data
Mean absolute deviation (MAD)
Simulating samples from populations
Simulating random samples
Unit 3: One-variable equations, inequalities, and their applications
Using inequalities to solve problems
Representing problems with equations & inequalities
Equations with variables on both sides
Equations with parentheses
Basic equations word problems
Simple & compound interest
Interest rate, loan length, & cost of credit
Unit 4: Developing an understanding of slope & y-intercept
Calculating slope from graphs
Similar triangles & slope
Calculating slope from tables & points
Locating y-intercepts
Unit 5: Proportional and non-proportional relationships
Proportional versus non-proportional situations
Intro to proportional relationships ✓ Check-ins3:50
Proportional relationships: movie tickets ✓ Check-ins1:46
Proportional relationships: bananas ✓ Check-ins2:57
Proportional relationships: spaghetti ✓ Check-ins1:03
Is side length & area proportional? ✓ Check-ins3:46
Is side length & perimeter proportional? ✓ Check-ins2:39
Graphs of proportional relationships
Identifying proportional relationships from graphs ✓ Check-ins3:05
Proportional relationships: graphs ✓ Check-ins7:19
Graphing proportional relationships: unit rate ✓ Check-ins4:31
Graphing proportional relationships from a table ✓ Check-ins1:12
Graphing proportional relationships from an equation ✓ Check-ins3:09
Relationship between slope and unit rate
Solving problems with direct variation
Equations of proportional relationships
Equations for proportional relationships ✓ Check-ins5:01
Writing proportional equations from tables ✓ Check-ins2:47
Writing y = mx proportional equations worked example 1 ✓ Check-ins2:30
Writing y = mx proportional equations worked example 2 ✓ Check-ins1:46
Writing proportional equations ✓ Check-ins2:10
Unit 6: Functions and linear equations
Intro to slope-intercept form
Graphing from slope-intercept form
Writing slope-intercept equations
Identifying functions
Proportional & non-proportional functions
Simultaneous linear equations (systems of equations)
Unit 7: Statistics with bivariate data
Introduction to scatter plots
Interpreting scatter plots
Unit 8: Transformational geometry
Transformations introduction
Translations
Reflections
Properties & definitions of transformations
Dilations
Properties of dilations
Congruence & transformations
Algebraic rules for transformations
Translations: graph to algebraic rule ✓ Check-ins2:21
Translations: description to algebraic rule ✓ Check-ins1:29
Rotations: graph to algebraic rule ✓ Check-ins4:07
Rotations: description to algebraic rule ✓ Check-ins4:15
Reflections: graph to algebraic rule ✓ Check-ins2:28
Reflections: description to algebraic rule ✓ Check-ins ✎ Fixed a slip2:39
Unit 9: Angle and triangle relationships involving real numbers
Irrational numbers
Approximating and ordering irrational numbers
Pythagorean theorem
Pythagorean theorem application
Pythagorean theorem and distance between points
Angles between intersecting lines
Triangle angles
Angles in a triangle sum to 180° proof ✓ Check-ins4:28
Isosceles & equilateral triangles problems ✓ Check-ins6:27
Triangle exterior angle example ✓ Check-ins6:03
Worked example: Triangle angles (intersecting lines) ✓ Check-ins4:55
Worked example: Triangle angles (diagram) ✓ Check-ins5:42
Triangle angle challenge problem ✓ Check-ins8:37
Triangle angle challenge problem 2 ✓ Check-ins6:05
Introduction to triangle similarity
Unit 10: Measurement of three-dimensional figures
Prisms
Volume of cylinders
Surface area of cylinders
Learn this with a class
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