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

## Video Lectures

Displaying all 58 video lectures.

Lecture 1Play Video |
Fractions - Basic TerminologyIn this video I will explain the basic terminology of fractions: numerator, denominator, proper and improper fractions, and mixed numbers. |

Lecture 2Play 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 3Play 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 4Play 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 5Play 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 6Play 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 7Play 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 8Play 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 9Play 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 10Play 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 11Play 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 12Play 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 13Play 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 14Play 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 15Play 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 16Play 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 17Play 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 18Play 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 19Play 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 20Play 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 21Play 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 22Play 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 23Play 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 24Play 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 25Play 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 26Play 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 27Play 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 28Play 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 29Play 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 30Play 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 31Play 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 32Play 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 33Play 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 34Play 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 35Play 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 36Play 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 37Play 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 38Play 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 39Play 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 40Play 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 41Play 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 42Play 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 43Play 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 44Play 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 45Play 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 46Play 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 47Play 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 48Play 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 49Play 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 50Play 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 51Play 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 52Play 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 53Play 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 54Play 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 55Play 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 56Play 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 57Play 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 58Play 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 |