# Elementary and Pre-algebra

###### Kindergarten Math
• Counting
• Counting Objects
• Counting Multiples
• Compare Numbers
• Compare Objects
• Measurement
• Counting Money
• Analog Clock
• Basic Subtraction
###### Flash Card
• Subtraction
• Multiplication
• Division
• Remainder
• How to handle CARRY?
• 2 by 1 digit addition
• 2 by 2 digit addition
• 3 by 3 digit addition
• Carry Propagation
• Adding Many Numbers at once
###### Multi-digit Subtraction
• How to handle BORROW?
• 2 by 1 digit subtraction
• 2 by 2 digit subtraction
• 3 by 2 digit subtraction
• Subtracting large number
• Borrow Propagation
• Adding and Subtracting many numbers
• Subtraction word problems
• (Use Notepad) Word Problems for Subtraction
###### Multi-digit Multiplication
• Multiplication and carry
• 2 by 1 digit multiplication
• 3 by 1 digit multiplication
• 2 by 2 digit multiplication
• 3 by 2 digit multiplication
• Multi-digit multiplication with zero mixed
• (Use Notepad) Repeated Multiplication - Power
• Multiplication word problems
• (Use Notepad) Word Problems for Multiplication
###### Long Division
• Long Division Process
• Long division by 1 digit number
• Long division by 2 digit number
• Division word problems
• (Use Notepad) Word Problems for Division
###### Algebraic Rules
• The Rules of Calculation Order
• Mixed Calculation
• How to Calculate Fast
• LCM and GCF
• Expanding Whole Number
###### Integers
• Negative Number - What is it?
• Integer Multiplication
• Integer Division
• Integer, All combined
• (Video) Integer Calculation
• Large Integer Calculation
• Integer Calculation with Parentheses
• (Use Notepad) Integer Calculation with Parentheses
• Integer Word Problems
• (Use Notepad) Word Problems for Integer
###### Rational Numbers
• Reciprocal Number and Ratios
• Rational Number
• Rational Number Addition and Subtraction
• Rational Number Multiplication and Division
• Rational Number Mixed Calculation
• (Use Notepad) Word Problems for Rational Numbers
###### Prealgebra
• Reciprocal Numbers and Decimal Numbers
• Converting Reciprocal Format to Decimal Numbers
• Converting Decimal to Reciprocal Number Format
• Decimal Number Calculation
###### Irrational Numbers
• Irrational Number, What is it?
• Addition and Subtraction with Irrational Numbers
• Multiplication with Irrational Numbers
• Other Irrational Numbers
• Real Numbers
###### Fraction
• Fraction Calculation Rules