Pre-Algebra Video Playlist

Basic studies, Trigonometry

Pre-Algebra Video Playlist

257 Lessons
    1-digit 3 variables 4th grade 5th grade 6th grade 7th grade 8th grade Absolute Value absolute value functions act act math act math concepts act math examples act math formulas act math help act math lessons act math overview act math practice act math practice problems act math prep act math questions act math review act math strategies act math study guide act math tips and strategies act math word problems act prep act review acute angles acute angles and obtuse angles acute triangles Adding adding and subtracting fractions adding and subtracting fractions easy way adding and subtracting fractions for kids adding and subtracting fractions with different denominators adding and subtracting fractions with unlike denominators adding and subtracting fractions with whole numbers adding and subtracting integers adding and subtracting integers on a number line Adding Fractions adding fractions for kids adding fractions tutorial adding fractions with different denominators adding fractions with mixed numbers adding fractions with unlike denominators adding fractions with whole numbers adding integers adding integers using a number line adding integers with different signs adding mixed numbers adding negative numbers addition adjacent angles algebra algebra 1 algebra 1 lessons algebra 1 review algebra 2 algebra 2 introduction algebra 2 lessons algebra 2 review algebra equations algebra graphing linear equations algebra linear equations algebra review algebra shortcut algebra shortcut trick algebra solving equations algebra solving for x algebra solving linear equations algebraic expressions algebraic fractions alternate exterior angles alternate interior angles angle basics angle measure angle measure trigonometry angle measurement angles angles and degrees angles of polygons answers Applications area area and perimeter of irregular figures area and perimeter of irregular shapes area formula area of a circle area of a equilateral triangle Area of a parallelogram area of a rectangle area of a rhombus area of a sector area of a square area of a trapezoid area of a trapezoid explained area of a trapezoid formula area of a trapezoid video area of a trapezoid without height area of a triangle area of a triangle formula area of a triangle given 3 sides area of composite figures area of composite shapes area of half circle area of irregular shapes area of parallelogram arithmetic arithmetic mean arithmetic sequence arithmetic sequence and series arithmetic sequence formula arithmetic series AVERAGE ax+by=c Back to School base base area basic arithmetic basic geometry basic introduction basic math basic trigonometry basic trigonometry for beginners basic trigonometry lessons basic trigonometry problems. basic trigonometry sin cos tan basics between two points Binomials box and whisker plots calculator Calculus central tendency central tendency - mean median mode range central tendency in statistics Channel chemistry circle circles circles circumference and area circumference circumference of a circle classifying polygons clockwise and counterclockwise College Algebra combinations common denominator common denominators common difference common ratio comparing fractions comparing fractions with different denominators comparing fractions with unlike denominators complementary and supplementary angles complementary angles composite figures composite numbers composite shapes cone conic sections consecutive interior angles constant K Conversion convert convert fractions to decimals converting converting decimals to fractions converting decimals to percents converting fractions to decimals converting fractions to percents converting percents to decimals converting percents to fractions converting recurring decimals to fractions converting repeating decimals to fractions coordinate plane coordinate system corresponding angles counting principle cube cumulative relative frequency cylinder data set data sets data tables date sets statistics decimal decimal numbers decimal to fraction decimal to fractions decimal to fractions 4th grade decimal to percent decimals decimals to fractions decimals to fractions 4th grade decimals to fractions 5th grade decimals to fractions for kids decimals to fractions in simplest form decimals to improper fractions decimals to mixed fractions decimals to mixed numbers decimals to percents definite integral degrees derivation desmos diagonal length diagonal length of a rectangle diagonal length of a rectangular prism diameter different bases different denominators different signs Digits dimensional analysis direct and inverse variation direct and inverse variation word problems direct inverse and joint variation direct variation distance formula distance formula and pythagorean theorem distance formula between two points Distributive Property distributive property of multiplication distributive property with variables dividing dividing algebraic fractions dividing algebraic fractions with exponents dividing exponents dividing fractions dividing fractions by fractions dividing fractions by fractions with unlike denominators dividing fractions with negative numbers dividing fractions with variables dividing fractions with variables and exponentss dividing fractions with whole numbers dividing integers dividing mixed fractions dividing mixed fractions with different denominators dividing mixed fractions with unlike denominators dividing mixed fractions with whole numbers dividing mixed numbers dividing mixed numbers by fractions dividing mixed numbers with unlike denominators dividing mixed numbers with whole numbers dividing monomials dividing monomials with exponents dividing powers division domain domain and range domain and range of a graph domain and range of a relation dot plots drawing angles drawing angles in standard position elimination Elimination Method equation equations equilateral triangle equilateral triangles evaluating expressions evaluating expressions with exponents evaluating expressions with fractions evaluating expressions with variables Even even data set examples explained exponential expressions Exponents exponents and powers exponents basics exponents explained exponents expressions exponents introduction exponents properties exterior angles factor factor tree factor tree method factoring factoring gcf factoring greatest common factor figures final exam review find missing side find the next term find the next term in the sequence find the slope of a line from an equation find the slope of a line given two points finding percent video finding percentages finding percentages of a number finding percentages without calculator finding percents finding percents mentally finding percents of a number finding percents of money finding percents using decimals finding sides and angles finding the greatest common factor finding the greatest common factor of large numbers finding the greatest common factor of monomials finding the nth term finding the slope of a line finite sum for beginners for kids formula formulas fraction fraction to decimal fraction to percent fraction to percent calculator fraction to percent conversion fraction to percent without calculator Fractional Exponents fractional exponents and radicals fractionns fractions fractions to decimals fractions to decimals 4th grade fractions to decimals 5th grade fractions to decimals 6th grade fractions to decimals for kids fractions to decimals made easy fractions to decimals to percents fractions to mixed numbers fractions to percentages fractions to percents frequency distribution table frequency tables functions Functions and Relations functions math fundamental counting principle GCF geometric mean geometric sequence geometric sequences geometric sequences and series Geometric Series geometry geometry review given 3 sides given the slope and a point given two points graph graphical method graphing equations graphing exponential functions graphing inequalities graphing inequalities on a number line. Graphing Linear Equations graphing linear equations in slope intercept form graphing linear equations in standard form graphing linear equations in two variables graphing linear equations using x and y intercepts Graphing Linear Inequalities graphing linear inequalities in two variables graphing logarithmic functions graphing ordered pairs graphing parabolas graphing points graphing polar equations graphing quadratic functions graphing rational functions graphing sine and cosine functions graphing solutions graphing systems of linear inequalities graphing systems of linear inequalities in two variables graphing trignometric functions graphs Greatest greatest common factor height Hero's formula heron's formula hexagon Histograms how to add fractions how to add fractions with unlike denominators how to add three fractions with different denominators how to convert fractions to decimals how to divide two fractions how to find the x and y intercepts how to multiply two fractions how to solve equations how to subtract fractions how to write equations for parallel and perpendicular lines how to write equations for parallel lines how to write equations for perpendicular lines identify ordered pairs improper fraction improper fractions improper fractions for kids improper fractions to decimals improper fractions to mixed numbers in terms of pi Inequalities inequalities algebra inequalities interval notation inequalities on a number line inequalities with absolute value inequalities with fractions Infinite sum initial side initial side and terminal side initial side of an angle integer multiplication integers integers adding and subtracting integers multiplication and division integers on a number line intercept intercepts Interest interest rate interior angles interior angles of a polygon interquartile range Interval Notation Introduction introduction to angles inverse variation irregular figures irregular shapes isosceles triangles joint variation large integers large numbers lateral area lateral area formula lateral area of a cone explained lateral area of a cone formula lateral area of a square pyramid lateral area of a triangular pyramid lcm lcm math least least common multiple least common multiple for kids least common multiple of 3 numbers least common multiple using prime factorization least to greatest Lesson lessons like denominators line line of symmetry linear equations Linear Inequalities linear pairs Lines logarithms long division marbles Math math tricks Mean mean median mode mean median mode and range median mental math mental math addition mental math division mental math multiplication mental math secrets mental math subtraction mental math tricks mentally midpoint formula midpoint formula between two points midpoint formula geometry missing missing coordinates mixed fractions mixed fractions adding and subtracting mixed fractions to decimals mixed fractions to improper fractions mixed number to decimals mixed number to improper fraction mixed numbers mixed numbers for kids mixed numbers in simplest form mixed numbers multiplication mixed numbers substraction mixed numbers to decimals mixed numbers to fractions mixed numbers to improper fractions mixed numbers to percent mixed numbers to percentages MODE Monomial monomials multi step equations multiple digits multiple variables multiplication multiplying multiplying algebraic fractions multiplying algebraic fractions with exponents multiplying algebraic fractions youtube multiplying exponents multiplying fractions multiplying fractions and mixed numbers multiplying fractions with exponents multiplying fractions with variables and exponents multiplying fractions with whole numbers multiplying fractions with whole numbers and mixed numbers multiplying improper fractions multiplying improper fractions and mixed numbers multiplying improper fractions with whole numbers multiplying integers multiplying integers video multiplying integers with different signs multiplying integers with parentheses multiplying large integers multiplying mixed fractions multiplying mixed numbers multiplying mixed numbers and fractions multiplying monomials multiplying negative integers multiplying powers multiplying powers with different bases multiplying powers with negative exponents multiplying powers with the same base Negative Exponents negative exponents in fractions negative exponents with parentheses negative exponents with variables negative fractional exponents negative integers negative numbers notes nth term number line number patterns number patterns and sequences number sequences number series number series reasoning tricks number series tricks Numbers oblique triangle obtuse angles obtuse triangles octagon odd odd data set online graphing calculator Operations order of operations order of operations pemdas order of operations with fractions ordered pairs ordering fractions ordering fractions and decimals ordering fractions and decimals from least to greatest ordering fractions for kids ordering fractions from least to greatest ordering fractions with different denominators organic chemistry tutor outliers parallel and perpendicular lines parallel and perpendicular lines equations Parallel lines parallelogram parentheses Part part part whole partial sum Patreon patreon channel patreon review patreon rewards patreon rewards tutorial patreon tutorial patreon tutorial video patreon video PEMDAS Pentagon percent Percent Change percent change formula percent change problems percent change word problems percent decimal fraction Percent Decrease percent discount Percent Increase percent increase and decrease percent increase formula percent of change percent of change increase and decrease percent proportion percent proportion 7th grade percent proportion formula percent proportion video percent proportion word problems percent to decimal percent to decimal calculator percent to decimal examples percent to fraction percent to fraction calculator percent to fraction conversion percent to fraction mixed numbers percent to fraction shortcut percent to fraction steps percent to fraction without calculator percent word problems percentage percentage word problems percentages percentile percents percents to decimals percents to decimals to fractions percents to fractions Perimeter perimeter of irregular shapes permutations permutations and combinations permutations and combinations basics permutations and combinations tutorial permutations and combinations word problems perpendicular lines plotting ordered pairs Plotting Points plotting points on a coordinate plane plotting points on a graph point slope form points Polygons polygons geometry polynomial polynomials positive and negative positive and negative integers positive numbers powers practice practice problems practice questions pre algebra equations pre algebra exponents pre algebra fractions pre algebra introduction pre algebra lessons pre algebra order of operations pre algebra overview pre algebra review pre-algebra prealgebra Precalculus prime and composite numbers prime factorization prime factorization of large numbers prime factorization tree prime factorization with exponents prime numbers prism probability probability basics probability compound events probability examples probability explained probability independent events probability problems probability review probability rules probability using marbles probability with marbles probability with replacement probability without replacement probability word problems problems properties of exponents properties of negative exponents proportions proportions and ratios proportions with fractions proportions word problems Pythagorean Theorem pythagorean theorem explained pythagorean theorem formula quadratic equations quadrilateral angles quadrilateral geometry quadrilaterals quadrilaterals and parallelograms quadrilaterals examples quantity quartiles questions quizzes radical expressions radicals radius range ratio rational exponents rational expressions Ratios ratios and proportions Rectangle rectangles Rectangular Prism rectangular prism volume and surface area recurring recurring decimals recurring decimals to fractions recursive recursive formula reduce fraction reflections relations relations and graphs relative frequency repeating repeating decimals repeating decimals to fractions review rewards rhombus right angles right triangle right triangle trigonometry right triangles rise over run rotations same base same denominators sas sat sat algebra sat algebra and functions sat functions sat geometry sat geometry review sat hard math questions sat help SAT math sat math crash course sat math help sat math online course sat math overview sat math practice sat math prep sat math ratios sat math review sat math study guide sat math test sat math test problems sat math tips sat practice sat prep sat questions and answers sat test sat test prep scalene triangle scalene triangles Scientific Notation scientific notation adding and subtracting scientific notation chemistry Scientific Notation Introduction scientific notation multiplication and division Scientific Notation Negative Exponents scientific notation to standard form sector of a circle semicircles sentences sentences into equations shapes shortcut sigma notation similar triangles similar triangles and indirect measurement similar triangles find missing side similar triangles solve for x simple interest simple interest explained simple interest formula simple interest math simple interest rate simplest form simplifying simplifying algebraic expressions simplifying algebraic fractions simplifying algebraic fractions and factoring simplifying algebraic fractions with exponents simplifying algebraic fractions with powers simplifying algebraic fractions with variables and exponents simplifying exponential expressions simplifying exponents simplifying exponents division simplifying exponents multiplication simplifying exponents with fractions simplifying exponents with negative exponents simplifying exponents with variables simplifying expressions simplifying fractional exponents simplifying negative exponents simultaneous equations simultaneous equations elimination method simultaneous equations graphical method simultaneous equations substitution method simultaneous equations with 3 variables simultaneous equations with fractions sin cos tan sines skewed left skewed right skewness Slope slope fractions slope missing coordinates slope of a line Slope-Intercept Form sohcahtoa solve for x solving basic equations Solving Equations solving equations by adding or subtracting solving equations by multiplying or dividing solving equations with fractions solving equations with variables on both sides solving for x solving inequalities solving inequalities interval notation solving inequalities using additon and subtraction solving inequalities with absolute value solving inequalities with fractions solving inequalities with variables on both sides solving linear equations solving linear equations with fractions solving multistep equations solving simultaneous equations solving two step equations solving two step equations with decimals solving two step equations with division solving two step equations with fractions solving two step equations with integers solving two step equations with parentheses solving two step equations with variables on both sides solving word problems special right triangles Sphere Square square pyramid Square Root square roots SSS standard form statistics stem and leaf plots Steps straight angles substitution Substitution Method subtracting subtracting fractions subtracting integers subtracting integers using a number line subtracting integers with different signs subtracting mixed numbers subtracting negative numbers subtraction sum summation notation supplementary angles surface area surface area of a cone surface area of a cone formula surface area of a cone in terms of pi surface area of a cone video surface area of a cylinder surface area of a pyramid surface area of a rectangular prism surface area of a sphere surface area of a sphere formula surface area of a square pyramid surface area of a triangular pyramid surface area volume Systems of Linear Equations systems of linear inequalities tables Technique terminal side three three fractions three numbers transformations transformations geometry translating sentences translating sentences into equations translations translations and reflections translations reflections and rotations translations rotations reflections transversals transversals and corresponding angles transversals and parallel lines transversals geometry trapezoid triangle triangles triangles classification triangles equilateral isosceles and scalene triangles introduction triangles right acute obtuse triangular prism triangular prism lateral area triangular prism surface area triangular prism volume triangular prism volume formula triangular pyramid trick trig functions trig ratios Trigonometry trigonometry basic introduction trigonometry introduction trigonometry ratios Trinomials tutorial tutorial video two two fractions two numbers two points Two Variables uncommon denominators unit conversion units unlike denominators using decimals variables variables and exponents variables on both sides vertical angles Vertical Line Test vertical line test for functions video volume volume formula volume of a cone volume of a cylinder volume of a pyramid volume of a rectangle volume of a rectangular prism volume of a sphere volume of a sphere formula volume of a square pyramid volume of a triangular pyramid whole numbers with different bases with exponents with fractions with like bases with negative exponents with parentheses with powers with the same base with variables without a calculator without calculator without height Word Problems worksheet writing equations writing equations of lines writing equations of parallel and perpendicular lines writing linear equations writing linear equations from a table writing linear equations given the slope and a point writing linear equations given two points writing linear equations in point slope form writing linear equations in standard form writing two step equations x and y intercepts x axis x-coordinate x-intercept y axis Y Intercept y-coordinate y=mx+b YouTube zero exponents