Arithmetic is the building block for mathematics, dealing primarily with the use of foundational operations and principles such as addition, subtraction, multiplication, and division. Numerals are used in instead of the variables that are typically seen in more advanced mathematics. One must master arithmetic before pursuing more advanced studies in mathematics. These online arithmetic courses and lectures introduce basic operations in this branch of mathematics, giving you the foundation to manipulate numbers properly at this level.
Free Online Arithmetic Courses
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2 Courses

Arithmetic

Basic Addition
Salman Khan 00:07:42 
Addition 2
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Level 2 Addition
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Addition 3
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Addition 4
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Basic Subtraction
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Subtraction 2
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Subtraction 3: Introduction to Borrowing or Regrouping
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Alternate Mental Subtraction Method
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Why Borrowing Works
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Level 4 Subtraction
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Adding Decimals
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Subtracting Decimals
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Basic Multiplication
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Multiplication 2: The Multiplication Tables
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Multiplication 3: 10,11,12 Times Tables
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Multiplication 4: 2digit Times 1digit Number
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Multiplication 5: 2digit Times a 2digit Number
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Multiplication 6: Multiple Digit Numbers
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Multiplication 7: Old Video Giving More Examples
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Mulitplication 8: Multiplying Decimals (Old video)
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Lattice Multiplication
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Why Lattice Multiplication Works
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Division 1
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Division 2
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Division 3: More Long Division and Remainder Examples
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Level 4 Division
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Converting Fractions to Decimals
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Percent and Decimals
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Dividing Decimals
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Ordering Numeric Expressions
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Greatest Common Divisor
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Least Common Multiple
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Equivalent Fractions
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Mixed Numbers and Improper Fractions
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Early Mathematics

Early Mathematics: A Short Introduction
Robin Wilson 00:41:48 
Mathematics in Neolithic Scotland
Tony Mann 00:21:17 
Exploring Ancient Greek and Roman Numeracy
Serafina Cuomo 00:43:33 
Decoding the Heavens: Solving the mystery of the World's First Computer
Jo Marchant 00:34:59 
Vedic Mathematics: My Trip to India to Uncover the Truth
Alex Bellos 00:34:00

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