Lec 19 - Rounding to Estimate Sums 2

Lecture list for this course

Lec 1 - Place Value 1

Lec 2 - Place Value 2

Lec 3 - Place Value 3

Lec 4 - Rounding Whole Numbers 1

Lec 5 - Rounding Whole Numbers 2

Lec 6 - Rounding Whole Numbers 3

Lec 7 - Comparing Whole Numbers

Lec 8 - Comparing Whole Numbers 2

Lec 9 - Comparing Whole Numbers 3

Lec 10 - Adding Whole Numbers and Applications 1

Lec 11 - Adding Whole Numbers and Applications 2

Lec 12 - Adding Whole Numbers and Applications 3

Lec 13 - Adding Whole Numbers and Applications 4

Lec 14 - Subtracting Whole Numbers

Lec 15 - Subtraction with Borrowing or Regrouping

Lec 16 - Subtraction Word Problem

Lec 17 - Rounding to Estimate Differences

Lec 18 - Rounding to Estimate Sums

Lec 20 - Multiplying Whole Numbers and Applications 1

Lec 21 - Multiplying Whole Numbers and Applications 2

Lec 22 - Multiplying Whole Numbers and Applications 3

Lec 23 - Multiplying Whole Numbers and Applications 4

Lec 24 - Multiplying Whole Numbers and Applications 5

Lec 25 - Multiplying Whole Numbers and Applications 6

Lec 26 - Dividing Whole Numbers and Applications 1

Lec 27 - Dividing Whole Numbers and Applications 2

Lec 28 - Dividing Whole Numbers and Applications 3

Lec 29 - Dividing Whole Numbers and Applications 4

Lec 30 - Dividing Whole Numbers and Applications 5

Lec 31 - Dividing Whole Numbers and Applications 6

Lec 32 - Properties of Whole Numbers

Lec 33 - Identity Property of 1

Lec 34 - Commutative Law of Addition

Lec 35 - Commutative Law of Multiplication

Lec 36 - Associative Law of Addition

Lec 37 - Associative Law of Multiplication

Lec 38 - The Distributive Property

Lec 39 - The Distributive Property 2

Lec 40 - Understanding Exponents

Lec 41 - Understanding Exponents 2

Lec 42 - Understanding Square Roots

Lec 43 - Order of Operations

Lec 44 - Order of Operations 2

Lec 45 - Numerator and Denominator of a Fraction

Lec 46 - Identifying Fraction Parts

Lec 47 - Proper and Improper Fractions

Lec 48 - Converting Mixed Numbers to Improper Fractions

Lec 49 - Changing an Improper Fraction to a Mixed Number

Lec 50 - Recognizing Divisibility

Lec 51 - Finding Factors of a Number

Lec 52 - Prime Factorization

Lec 53 - Recognizing Prime Numbers

Lec 54 - Equivalent Fractions Example

Lec 55 - Fractions in lowest terms

Lec 56 - Comparing Fractions

Lec 57 - Comparing Fractions 2

Lec 58 - Multiplying Fractions

Lec 59 - Multiplying Mixed Numbers

Lec 60 - Multiplying Fractions and Mixed Numbers

Lec 61 - Multiplying Fractions Word Problem

Lec 62 - Reciprocal of a Mixed Number

Lec 63 - Dividing Fractions Example

Lec 64 - Dividing Mixed Numbers

Lec 65 - Dividing Mixed Numbers and Fractions

Lec 66 - Dividing Fractions Word Problem

Lec 67 - Adding Fractions with Like Denominators

Lec 68 - Least Common Multiple (LCM)

Lec 69 - Finding Common Denominators

Lec 70 - Adding Fractions with Unlike Denominators

Lec 71 - Adding Mixed Numbers

Lec 72 - Adding Mixed Numbers with Unlike Denominators

Lec 73 - Adding Mixed Numbers Word Problem

Lec 74 - Subtracting Fractions

Lec 75 - Subtracting Mixed Numbers

Lec 76 - Subtracting Mixed Numbers 2

Lec 77 - Subtracting Mixed Numbers Word Problem

Lec 78 - Decimal Place Value

Lec 79 - Decimal Place Value 2

Lec 80 - Decimals and Fractions

Lec 81 - Converting Fractions to Decimals Example

Lec 82 - Comparing Decimals

Lec 83 - Rounding Decimals

Lec 84 - Decimals on a Number Line

Lec 85 - Comparing Decimals 4

Lec 86 - Adding Decimals

Lec 87 - Subtracting Decimals

Lec 88 - Subtracting Decimals Word Problem

Lec 89 - Multiplying Decimals

Lec 90 - Multiplying a Decimal by a Power of 10

Lec 91 - Dividing Decimals

Lec 92 - Dividing a Decimal by a Power of 10

Lec 93 - Dividing Decimals 2.1

Lec 94 - Mulitplyling Decimals 3

Lec 95 - Estimation with Decimals

Lec 96 - Ratios as Fractions in Simplest Form

Lec 97 - Simplifying Rates and Ratios

Lec 98 - Finding Unit Rates

Lec 99 - Finding Unit Prices

Lec 100 - Understanding Proportions

Lec 101 - Find an Unknown in a Proportion