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

Video Lectures

Displaying all 58 video lectures.
Lecture 1
Fractions - Basic Terminology
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Fractions - Basic Terminology
In this video I will explain the basic terminology of fractions: numerator, denominator, proper and improper fractions, and mixed numbers.
Lecture 2
Reducing Fractions
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Reducing Fractions
In 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
Fractions - Multiplication
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Fractions - Multiplication
In 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
Fractions - Multiplication
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Fractions - Multiplication
In 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
How to Find Prime Numbers
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How to Find Prime Numbers
In 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
Divisibility Rules
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Divisibility Rules
In 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
Simplifying Fractions
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Simplifying Fractions
In 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
Division and Fractions
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Division and Fractions
In 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
Dividing Fractions Example
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Dividing Fractions Example
In 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
What is a Factor?
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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
What is (Finding) a Factor?
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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
Greatest Common Factor (GCF)?
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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
Greatest Common Factor (GCF)?
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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
Lowest Com Denominator (LCD)?
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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
Lowest Com Denominator (LCD)?
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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
+/- Fractions
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+/- Fractions
In 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
+/- Fractions
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+/- Fractions
In 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
+/- Fractions (LCD)
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+/- 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
+/- Fractions (LCD)
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
+/- 3 Fractions
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+/- 3 Fractions
In 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
What Are Decimals?
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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
Converting Decimals
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Converting Decimals
In 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
Converting Decimals
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Converting Decimals
In 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
Converting Decimals
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Converting Decimals
In 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
Converting Fractions
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Converting Fractions
In 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
Converting Fractions
Play Video
Converting Fractions
In 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
Converting Fractions
Play Video
Converting Fractions
In 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
Converting Fractions
Play Video
Converting Fractions
In 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
What is a Percent (%)?
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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
Convert % to Decimal
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Convert % to Decimal
In 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
Convert a Decimal to %
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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
Convert a Fraction to a % - 1
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Convert a Fraction to a % - 1
In 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
Convert a Fraction to a % - 2
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Convert a Fraction to a % - 2
In 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
Convert a Fraction to a % - 3
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Convert a Fraction to a % - 3
In 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
Convert a Fraction to a % - 4
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Convert a Fraction to a % - 4
In 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
Taking the % of a Number - 1
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Taking the % of a Number - 1
In 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
Taking the % of a Number - 2
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Taking the % of a Number - 2
In 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
Percent Word Problems - 1
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Percent Word Problems - 1
In 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
Percent Word Problems - 2
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Percent Word Problems - 2
In 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
Percent Word Problems - 3
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Percent Word Problems - 3
In 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
Order of Operation
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Order of Operation
In 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
Order of Operation - Ex. 1
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Order of Operation - Ex. 1
In 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
Order of Operation - Ex. 2
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Order of Operation - Ex. 2
In 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
Order of Operation - Ex. 3
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Order of Operation - Ex. 3
In 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
Order of Operation - Ex. 4
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Order of Operation - Ex. 4
In 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
Order of Operation - Ex. 5
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Order of Operation - Ex. 5
In 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
The Language of Math - 1
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The Language of Math - 1
In 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
The Language of Math - 2
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The Language of Math - 2
In 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
The Language of Math - 3
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The Language of Math - 3
In 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
The Language of Math - 4
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The Language of Math - 4
In 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
The Language of Math - 5
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The Language of Math - 5
In 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
Inequalities Explained
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Inequalities Explained
In 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
Inequalities - Example 1
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Inequalities - Example 1
In 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
Inequalities - Example 2
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Inequalities - Example 2
In 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
Inequalities - Example 3
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Inequalities - Example 3
In 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
Operations with Variables - 1
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Operations with Variables - 1
In 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
Operations with Variables - 2
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Operations with Variables - 2
In this video I will simplify equations with a variable.

Next video in this series can be seen at:
https://youtu.be/Mj9iFBShhGo
Lecture 58
Operations with Variables - 3
Play Video
Operations with Variables - 3
In 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