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Finding a number's place value | Arithmetic properties | Pre-Algebra | Khan Academy

Writing a number in standard form | Arithmetic properties | Pre-Algebra | Khan Academy

Writing a number in expanded form | Arithmetic properties | Pre-Algebra | Khan Academy

Rounding whole numbers example 1 | Arithmetic properties | Pre-Algebra | Khan Academy

Rounding whole numbers example 2 | Arithmetic properties | Pre-Algebra | Khan Academy

Rounding whole numbers 3 | Arithmetic properties | Pre-Algebra | Khan Academy

Comparing whole numbers | Place value (tens and hundreds) | Early Math | Khan Academy

Comparing Whole Numbers 2

Comparing Whole Numbers 3

Example: Adding two digit numbers (no carrying) | Arithmetic | Khan Academy

Adding Whole Numbers and Applications 2

Adding Whole Numbers and Applications 3

Adding Whole Numbers and Applications 4

Subtracting Whole Numbers

Subtraction with Borrowing or Regrouping

Subtraction Word Problem

Rounding to Estimate Differences

Rounding to Estimate Sums

Rounding to Estimate Sums 2

Example: Ways to represent multiplication | Multiplication and division | Arithmetic | Khan Academy

Example: 2-digit times 2-digit | Multiplication and division | Arithmetic | Khan Academy

Multiplying Whole Numbers and Applications 3

Multiplication estimation example | Multiplication and division | Arithmetic | Khan Academy

Multiplying Whole Numbers and Applications 5

Comparing with multiplication: age | Multiplication and division | Arithmetic | Khan Academy

Example: Expressing division in multiple ways | Arithmetic | Khan Academy

Dividing Whole Numbers and Applications 2

Dividing Whole Numbers and Applications 3

Dividing Whole Numbers and Applications 4

Dividing Whole Numbers and Applications 5

Dividing Whole Numbers and Applications 6

Properties of Whole Numbers

Identity property of 1 | Arithmetic properties | Pre-Algebra | Khan Academy

Commutative law of addition | Arithmetic properties | Pre-Algebra | Khan Academy

Commutative law of multiplication | Arithmetic properties | Pre-Algebra | Khan Academy

Associative law of addition | Arithmetic properties | Pre-Algebra | Khan Academy

Associative Law of Multiplication

The distributive law of multiplication over addition | Pre-Algebra | Khan Academy

The distributive law of multiplication over subtraction | Pre-Algebra | Khan Academy

Exponent example 2 | Exponents, radicals, and scientific notation | Pre-Algebra | Khan Academy

Exponent example 1 | Exponents, radicals, and scientific notation | Pre-Algebra | Khan Academy

Understanding square roots | Pre-Algebra | Khan Academy

Order of operations example | Arithmetic properties | Pre-Algebra | Khan Academy

Order of Operations 2

Numerator and denominator of a fraction | Fractions | Pre-Algebra | Khan Academy

Identifying fraction parts | Fractions | Pre-Algebra | Khan Academy

Proper and improper fractions | Fractions | Pre-Algebra | Khan Academy

Converting mixed numbers to improper fractions | Fractions | Pre-Algebra | Khan Academy

Mixed numbers: changing from an improper fraction | Fractions | Pre-Algebra | Khan Academy

Recognizing divisibility | Factors and multiples | Pre-Algebra | Khan Academy

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