  # What Every 5th Grader Should Know about Math II: Algebra Prep

## Video Lectures

Displaying all 58 video lectures.
 Lecture 1 Play Video Fractions - Basic TerminologyIn this video I will explain the basic terminology of fractions: numerator, denominator, proper and improper fractions, and mixed numbers. Lecture 2 Play Video Reducing FractionsIn this video I will explain how to reduce fractions to its lowest terms. Next video in this series can be seen at: https://youtu.be/lkhfZpkbXTE Lecture 3 Play Video Fractions - MultiplicationIn this video I will explain how to multiply fractions. Next video in this series can be seen at: https://youtu.be/0_fqRJvT0AI Lecture 4 Play Video Fractions - MultiplicationIn this video I will explain how to multiply fractions by reducing the fractions to its lowest terms first. Next video in this series can be seen at: https://youtu.be/t9UWE3j4ZX8 Lecture 5 Play Video How to Find Prime NumbersIn this video I will show how to find prime numbers. Next video in this series can be seen at: https://youtu.be/97CWgzzrIfU Lecture 6 Play Video Divisibility RulesIn this video I will explain some basic rules to determine if numbers are divisible by another number. Next video in this series can be seen at: https://youtu.be/5L3UblTGEvE Lecture 7 Play Video Simplifying FractionsIn this video I will explain some basic rules of simplifying fractions. Next video in this series can be seen at: https://youtu.be/55tNPqhYO2A Lecture 8 Play Video Division and FractionsIn this video I will explain how to divide 2 numbers, how division relates to fractions, and how to reduce fractions Next video in this series can be seen at: https://youtu.be/9bc3XQTB3rI Lecture 9 Play Video Dividing Fractions ExampleIn this video I will explain how to divide 2 fractions. Next video in this series can be seen at: https://youtu.be/niE5R53bbBg Lecture 10 Play Video What is a Factor?In this video I will explain what are factors of a number and show how to find all the factors of a number. Next video in this series can be seen at: https://youtu.be/jBJeDh1jQd8 Lecture 11 Play Video What is (Finding) a Factor?In this video I will explain what are common factors and show how to find them. Next video in this series can be seen at: https://youtu.be/cZ2iRlDHM1M Lecture 12 Play Video Greatest Common Factor (GCF)?In this video I will explain how to find the Largest (Greatest) Common Factor of 2 numbers. Next video in this series can be seen at: https://youtu.be/43wR9fBVyXQ Lecture 13 Play Video Greatest Common Factor (GCF)?In this video I will explain how to find the Largest (Greatest) Common Factor of 2 and 3 numbers. Next video in this series can be seen at: https://youtu.be/djmaKYDRNOw Lecture 14 Play Video Lowest Com Denominator (LCD)?In this video I will explain how to find the Lowest Common Factor of 2 and 3 fractions. Next video in this series can be seen at: https://youtu.be/-_qrp_xFWxQ Lecture 15 Play Video Lowest Com Denominator (LCD)?In this video I will explain how to find the Lowest Common Factor of 2 and 3 fractions. Next video in this series can be seen at: https://youtu.be/s9vzSmjc5yo Lecture 16 Play Video +/- FractionsIn this video I will show how to add and subtract fractions (of the same denominator). Next video in this series can be seen at: https://youtu.be/9ycX3m4YzU8 Lecture 17 Play Video +/- FractionsIn this video I will show how to add and subtract fractions (where one denominator is a multiple of the other). Next video in this series can be seen at: https://youtu.be/wJl2Hj-qpn4 Lecture 18 Play Video +/- Fractions (LCD)In this video I will show how to add and subtract fractions (where the LCD is the product of the 2 denominator). Next video in this series can be seen at: https://youtu.be/gJpvEOxL_zU Lecture 19 Play Video +/- Fractions (LCD)In this video I will show how to add and subtract fractions (where the common denominator is the LCD). Next video in this series can be seen at: https://youtu.be/5DSPwOJhM2A Lecture 20 Play Video +/- 3 FractionsIn this video I will add 3 fractions with different denominators. Next video in this series can be seen at: https://youtu.be/10v5Dn_wOWA Lecture 21 Play Video What Are Decimals?In this video I will explain what are decimals. Next video in this series can be seen at: https://youtu.be/BNXpHUBOT94 Lecture 22 Play Video Converting DecimalsIn this video I will convert a 1-decimal place numbers into their equivalent fractions. Next video in this series can be seen at: https://youtu.be/3yt2scSXWFk Lecture 23 Play Video Converting DecimalsIn this video I will convert a 2-decimal place numbers into their equivalent fractions. Next video in this series can be seen at: https://youtu.be/c7qfepq2Da8 Lecture 24 Play Video Converting DecimalsIn this video I will convert a 1-, 2-, and 3-decimal place numbers into their equivalent fractions. Next video in this series can be seen at: https://youtu.be/slejjjd45M4 Lecture 25 Play Video Converting FractionsIn this video I will convert fractions (denominators are multiples 10) into decimals. Next video in this series can be seen at: https://youtu.be/jTd18Dgjhug Lecture 26 Play Video Converting FractionsIn this video I will convert fractions (denominators are easily converted into multiples 10) into decimals. Next video in this series can be seen at: https://youtu.be/2pJZjPyuzcc Lecture 27 Play Video Converting FractionsIn this video I will convert fractions into decimals using long-hand division. Next video in this series can be seen at: https://youtu.be/NF8euvnoAB4 Lecture 28 Play Video Converting FractionsIn this video I will convert fractions into decimals (with repeating numbers) using long-hand division Next video in this series can be seen at: https://youtu.be/JjmiB70aX68 Lecture 29 Play Video What is a Percent (%)?In this video I will explain what is a “percent” (%) mathematically and visually. Next video in this series can be seen at: https://youtu.be/D6O5xiZ8WiQ Lecture 30 Play Video Convert % to DecimalIn this video I will explain how to convert percents (%) to decimals. Next video in this series can be seen at: https://youtu.be/JlJKM79SvAA Lecture 31 Play Video Convert a Decimal to %In this video I will explain how to convert decimals to percents (%). Next video in this series can be seen at: https://youtu.be/S5GaAL4X8xY Lecture 32 Play Video Convert a Fraction to a % - 1In this video I will explain how to convert fractions (where the denominator=100 or can be easily converted to 100) to percents (%). Next video in this series can be seen at: https://youtu.be/N6918Pmvol4 Lecture 33 Play Video Convert a Fraction to a % - 2In this video I will explain how to convert fractions (where the denominator=100 or can be easily converted to 100) to percents (%) in general. Next video in this series can be seen at: https://youtu.be/sPGCcngzXko Lecture 34 Play Video Convert a Fraction to a % - 3In this video I will explain how to convert improper fractions to percents (%). Next video in this series can be seen at: https://youtu.be/wW0hSKwCkdA Lecture 35 Play Video Convert a Fraction to a % - 4In this video I will explain how to convert mixed number fractions to percents (%). Next video in this series can be seen at: https://youtu.be/2tnN3DG9GyQ Lecture 36 Play Video Taking the % of a Number - 1In this video I will explain how to find the percent of a number. Next video in this series can be seen at: https://youtu.be/4Tlbp6yMnTQ Lecture 37 Play Video Taking the % of a Number - 2In this video I will explain how to find the percent of a number with at least two “0s” at the end. Next video in this series can be seen at: https://youtu.be/MaC8dtmzP-8 Lecture 38 Play Video Percent Word Problems - 1In this video I will solve: A jacket priced at \$29 is 30% off. What is the sale price? Next video in this series can be seen at: https://youtu.be/Gxou0RjOYG0 Lecture 39 Play Video Percent Word Problems - 2In this video I will solve: The sale price of a toaster is \$28 and the regular price is \$35. What is the % discount? Next video in this series can be seen at: https://youtu.be/yTVBxJm26QI Lecture 40 Play Video Percent Word Problems - 3In this video I will solve: After a 4% discount, a pair of shoes sold for \$8. What was the original price? Next video in this series can be seen at: https://youtu.be/IYwJUYSUZU8 Lecture 41 Play Video Order of OperationIn this video I will explain the order of operation of arithmetic. Next video in this series can be seen at: https://youtu.be/qA326r_5ezo Lecture 42 Play Video Order of Operation - Ex. 1In this video I will solve arithmetic expressions using the order of operation of arithmetic. Next video in this series can be seen at: https://youtu.be/Gs-jKJxczi8 Lecture 43 Play Video Order of Operation - Ex. 2In this video I will solve arithmetic expressions using the order of operation of arithmetic. Next video in this series can be seen at: https://youtu.be/yMwxune-DSY Lecture 44 Play Video Order of Operation - Ex. 3In this video I will solve arithmetic expressions using the order of operation of arithmetic. Next video in this series can be seen at: https://youtu.be/G_y5VxnziU0 Lecture 45 Play Video Order of Operation - Ex. 4In this video I will solve arithmetic expressions using the order of operation of arithmetic. Next video in this series can be seen at: https://youtu.be/HjN1nYff-A8 Lecture 46 Play Video Order of Operation - Ex. 5In this video I will solve arithmetic expressions using the order of operation of arithmetic. Next video in this series can be seen at: https://youtu.be/5Q4MKNoeY_Y Lecture 47 Play Video The Language of Math - 1In this video I will explain the Language of Math and how to write math expressions. Next video in this series can be seen at: https://youtu.be/vI0RJyb7iwU Lecture 48 Play Video The Language of Math - 2In this video I will explain the Language of Math and how to write math expressions. Next video in this series can be seen at: https://youtu.be/1-HtqwP4ALI Lecture 49 Play Video The Language of Math - 3In this video I will explain the Language of Math and how to write math expressions 3. Next video in this series can be seen at: https://youtu.be/anmPqxhzCoo Lecture 50 Play Video The Language of Math - 4In this video I will explain the Language of Math and how to write math expressions 4. Next video in this series can be seen at: https://youtu.be/anmPqxhzCoo Lecture 51 Play Video The Language of Math - 5In this video I will explain the Language of Math and how to write math expressions 5. Next video in this series can be seen at: https://youtu.be/VEv5CpfSa-w Lecture 52 Play Video Inequalities ExplainedIn this video I will explain and give examples of inequalities. Next video in this series can be seen at: https://youtu.be/Um6EtJxCOIo Lecture 53 Play Video Inequalities - Example 1In this video I will explain and give examples of inequalities. Next video in this series can be seen at: https://youtu.be/_MAn81bJROY Lecture 54 Play Video Inequalities - Example 2In this video I will give examples and solve of inequality equations. Next video in this series can be seen at: https://youtu.be/-dhVUIbfgrM Lecture 55 Play Video Inequalities - Example 3In this video I will give examples and solve of inequality equations (fractions). Next video in this series can be seen at: https://youtu.be/uzZrIQG4gQ0 Lecture 56 Play Video Operations with Variables - 1In this video I will explain and convert math operations with one variable. Next video in this series can be seen at: https://youtu.be/NTk9oaXA3vE Lecture 57 Play Video Operations with Variables - 2In this video I will simplify equations with a variable. Next video in this series can be seen at: https://youtu.be/Mj9iFBShhGo Lecture 58 Play Video Operations with Variables - 3In this video I will “solve” for x (variable) in an equation without using algebra. First video in this series can be seen at: https://youtu.be/XxMxPrOCiSE