The most basic of the math playlists. Start here if you have very little background in math fundamentals (or just want to make sure you do). After watching this playlist, you should be ready for the pre-algebra playlist.
About this course
- Views:
- 0
- Videos:
- 41
- Duration:
- 6 hours
Arithmetic
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Lectures in this course (41)
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Basic Addition
7:42
Introduction to addition. Multiple visual ways to represent addition.
956,776 views
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Addition 2
12:26
Adding 2-digit numbers
266,186 views
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Level 2 Addition
9:48
Adding a 2 digit number to a 1 digit number. Introduction to carrying.
167,578 views
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Addition 3
8:57
Practice carrying digits to add multiple digit numbers
156,924 views
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Addition 4
8:49
More practice carrying with multiple digit numbers
133,934 views
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Basic Subtraction
8:32
Introduction to subtraction
186,685 views
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Subtraction 2
12:32
Different ways to view subtraction
128,856 views
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Subtraction 3: Introduction to Borrowing or Regrouping
18:26
Introduction to borrowing and regrouping
187,404 views
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Alternate mental subtraction method
5:10
How I subtract in my head
96,130 views
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Why borrowing works
8:33
An explanation of why (not how) borrowing/regrouping works when subtracting numbers
123,682 views
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Level 4 Subtraction
8:47
Subtraction of multi-digit numbers involving borrowing
124,157 views
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Why borrowing works
8:33
An explanation of why (not how) borrowing/regrouping works when subtracting numbers
123,682 views
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Adding Decimals (Old)
7:40
Adding decimals
137,994 views
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Subtracting decimals (old)
8:32
Subtracting decimal numbers
102,990 views
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Basic Multiplication
13:20
Introduction to multiplication
336,586 views
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Multiplication 2: The Multiplication Tables
15:27
Introduction to the multiplication tables from 2-9.
260,106 views
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Multiplication 3: 10,11,12 times tables
12:11
Multiplication 3: Learning to multiply 10, 11, and 12.
122,908 views
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Multiplication 4: 2-digit times 1-digit number
12:08
Multiplying a 2-digit times a 1-digit number
126,954 views
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Multiplication 5: 2-digit times a 2-digit number
11:15
Multiplying a 2-digit number times a 2-digit number
135,389 views
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Multiplication 6: Multiple Digit Numbers
10:27
Working our way up to multiplying multiple-digit numbers with each other
105,038 views
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Multiplication 7: Old video giving more examples
6:17
2 examples of multiplying a 3 digit number times a 2 digit number. 1 example of multiplying a 3 digit number times a 3 digit number.
105,306 views
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Mulitplication 8: Multiplying decimals (Old video)
9:44
Multiplying decimals (www.khanacademy.org)
152,192 views
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Lattice Multiplication
7:15
Introduction to lattice multiplication
150,395 views
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Why Lattice Multiplication Works
8:21
Understanding why lattice multiplication works
79,949 views
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Division 1
17:02
Introduction to division
252,915 views
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Division 2
11:39
Dividing into larger numbers. Introduction to long division and remainders.
210,102 views
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Division 3: More long division and remainder examples
10:07
More long division and remainder examples
161,286 views
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Level 4 division
9:35
Dividing a two digit number into a larger number
247,575 views
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Converting fractions to decimals
9:22
How to express a fraction as a decimal
388,529 views
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Percent and decimals
10:26
Expressing percentages as decimals. Expressing decimals as percentages.
170,092 views
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Dividing decimal
9:27
Dividing decimal numbers
288,792 views
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Ordering Numeric Expressions
11:30
Converting percentages and fractions to decimals to order numbers
22,063 views
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Greatest Common Divisor
6:18
4 example problems of determining the greatest common factor of two numbers by factoring the 2 numbers first
161,101 views
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Least Common Multiple
4:01
Example of figuring out the least common multiple of two nunmbers
181,292 views
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Equivalent fractions
5:49
Introduces the concept of equivalent fractions
179,677 views
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Mixed numbers and improper fractions
9:13
Converting mixed numbers to improper fractions and improper fractions to mixed numbers
201,739 views
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Time Differences 1
9:57
Finding how long passes between two times
24,071 views
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Time Differences in Different Time Zones
8:59
Calculating flight times across time zones
16,127 views
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Prime Numbers
8:13
Identifying prime numbers
123,154 views
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Partial Quotient Division
8:27
An alternate to traditional long division
22,764 views
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Partial Quotient Method of Division 2
7:56
Another example of doing long division using the partial quotient method
14,353 views