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15.Divisibility Rules

• 15.1 Divisible by 2; 5 or 10; 3 or 9, and 6
• 15.2 Divisible by 2, 3, 5, 6 , 9, 20

16.Factors and Primes

• 16.1 Numbers with 3 or 4 Factors
• 16.2 Prime Numbers
• 16.3 Numbers with More Than 4 Factors

17.Multiples and Least Common Multiple

• 17.1 Multiples
• 17.2 Least Common Multiple (i.e. 9 and 18)
• 17.3 Least Common Multiple (i.e. 6 and 8)
• 17.4 Least Common Multiple (i.e. 3 and 7)
• 17.5 Least Common Multiple of Three Numbers

18.Greatest Common Factor

• 18.1 GCF is the Only Common Factor
• 18.2 GCF is 1
• 18.3 GCF is Not the Only Common Factor
• 18.4 GCF of Three Numbers

19.Introduction to Fractions

• 19.1 Numerator and Denominator
• 19.2 Write Fraction Representing Shaded Part of Figure

20.Equivalent Fractions (Part I)

• 20.1 Diagrams of Equivalent Fractions
• 20.2 Equivalent Fractions with Missing Denominator
• 20.3 Equivalent Fractions with Missing Numerator
• 20.4 Diagrams of Equivalent Fractions (Advanced)

21.Reducing Fractions to Lowest Terms

• 21.1 Reducing Fractions (One Common Factor)
• 21.2 Reducing Fractions (No Common Factor)
• 21.3 Reducing Fractions (Two Common Factors)

22.Equivalent Fractions (Part II)

• 22.1 Equivalent Fractions (Reduce One Fraction)
• 22.2 Equivalent Fractions (Reduce Both Fractions)
• 22.3 Find 3 Fractions Equivalent to Fraction in Lowest Terms
• 22.4 Find 3 Fractions Equivalent to Fraction Not in Lowest Terms
• 22.5 Why Can You Multiply Numerator and Denominator by Same Number?

23.Improper Fractions and Mixed Numbers

• 23.1 Improper Fractions and Mixed Numbers Vocabulary
• 23.2 Convert Improper Fraction to Mixed Number
• 23.3 Convert Improper Fraction to Whole Number
• 23.4 Convert Mixed Number to Improper Fraction

24.Comparing Proper Fractions

• 24.1 Review of Least Common Multiple
• 24.2 Comparing Fractions with Same Denominator
• 24.3 Comparing Fractions with Different Denominators (Only Change One)
• 24.4 Comparing Fractions with Different Denominators (Change Both)
• 24.5 Comparing Fractions (i.e. 1/3 and 1/5)
• 24.6 Order Fractions from Least to Greatest

25.Comparing Mixed Numbers and Improper Fractions

• 25.1 Compare Mixed Numbers (Different Whole Numbers)
• 25.2 Comparing Mixed Numbers (Same Whole Number)
• 25.3 Comparing Improper Fractions
• 25.4 Review of Converting a Mixed Number to an Improper Fraction
• 25.5 Comparing a Mixed Number to an Improper Fraction
• 25.6 Order Mixed Numbers and Improper Fractions from Least to Greatest

26.Comparing Fractions Word Problems

• 26.1 Comparing Fractions with Same Denominator Word Problems
• 26.2 Comparing Fractions with Different Denominators Word Problems
• 26.3 Comparing Mixed Numbers Word Problems
• 26.4 Order Fractions from Least to Greatest Word Problems
• 26.5 What Number is Halfway Between 1/5 and 1/3?

27.Adding and Subtracting Like Fractions

• 27.1 Adding and Subtracting Like Fractions (Do Not Need to Reduce)
• 27.2 Adding and Subtracting Like Fractions (Reduce)
• 27.3 Adding and Subtracting Like Fractions (Change Answer to Mixed Number)
• 27.4 Adding and Subtracting Like Fractions (Change Answer to Mixed Number and Reduce)

28.Adding and Subtracting Unlike Fractions

• 28.1 Adding Unlike Fractions
• 28.2 Subtracting Unlike Fractions
• 28.3 Adding and Subtracting Unlike Fractions (Change Answer to Mixed Number)
• 28.4 Adding and Subtracting Unlike Fractions (Reduce)
• 28.5 Adding Three Unlike Fractions

29.Adding Mixed Numbers

• 29.1 Adding Mixed Numbers with Like Fractions
• 29.2 Adding Whole Number and Mixed Number
• 29.3 Adding Mixed Numbers with Like Fractions (Go up a Number)
• 29.4 Adding Mixed Numbers with Unlike Fractions
• 29.5 Adding Mixed Numbers with Unlike Fractions (Go up a Number)

30.Subtracting Mixed Numbers

• 30.1 Subtracting Mixed Numbers with Like Fractions
• 30.2 Subtracting Mixed Numbers with Unlike Fractions
• 30.3 Subtracting Mixed Numbers with Like Fractions (Go Down a Number)
• 30.4 Whole Number Minus Mixed Number

31.Multiplying Fractions

• 31.1 Multiplying Fractions
• 31.2 Multiplying Whole Number and Fraction
• 31.3 Multiplying Fractions with Single Cross-Canceling
• 31.4 Multiplying Whole Number and Fraction with Single Cross-Canceling
• 31.5 Multiplying Fractions with Double Cross-Canceling
• 31.6 Fraction Cubed

32.Multiplying Mixed Numbers

• 32.1 Review of Converting a Mixed Number to an Improper Fraction
• 32.2 Review of Converting an Improper Fraction to a Mixed Number
• 32.3 Multiplying Mixed Numbers
• 32.4 Multiplying Mixed Number and Whole Number
• 32.5 Multiplying Mixed Number and Fraction with Cross-Canceling
• 32.6 Multiplying Mixed Numbers with Cross-Canceling (Answer is Whole Number)
• 32.7 Multiplying Mixed Numbers with Cross-Canceling

33.Dividing Fractions

• 33.1 Dividing Fractions
• 33.2 Dividing Fraction by Whole Number
• 33.3 Dividing Whole Number by Fraction
• 33.4 Dividing Fractions with Cross-Canceling
• 33.5 Dividing Fractions with Cross-Canceling (Change Answer to Mixed Number)

34.Understanding Decimals

• 34.1 Determine Place Value of Underlined Digit in Decimal
• 34.2 Write a Decimal Represented by the Model

35.Comparing Decimals

• 35.1 Comparing Decimals with Same Number of Places
• 35.2 Comparing Decimals (i.e. 6.3 and 6.03)
• 35.3 Comparing Decimals (i.e. 0.805 and 0.81)
• 35.4 Comparing Decimals (i.e. 0.70 and 0.7000)
• 35.5 Convert Fraction to Decimal then Compare Decimals

36.Rounding Decimals

• 36.1 Rounding Decimals to an Underlined Place
• 36.2 Rounding Decimals to a Place Stated in Words

37.Estimating Sums and Differences of Decimals

• 37.1 Estimating Sums and Differences of Decimals
• 37.2 Estimating Sums and Differences with Dollars

38.Adding Decimals

• 38.1 Adding Decimals (Vertical Addition and No Carrying)
• 38.2 Adding Decimals (Lining up Decimals and Carrying)
• 38.3 Adding Decimals (Lining up Decimals)
• 38.4 Adding Decimals (Dollars)

39.Subtracting Decimals

• 39.1 Subtracting Decimals (Vertical Subtraction and No Borrowing)
• 39.2 Subtracting Decimals (Lining up Decimals and Borrowing)
• 39.3 Subtracting Decimals (Lining up Decimals)
• 39.4 Whole Number Minus Decimal
• 39.5 How Much More than $457.29 is $500?

40.Adding and Subtracting Decimals Word Problems

• 40.1 Adding Decimals Word Problems
• 40.2 Subtracting Decimals Word Problems
• 40.3 Estimating with Decimals Word Problems

41.Multiplying Decimals by Whole Numbers

• 41.1 Multiplying Decimal by 1-Digit Whole Number
• 41.2 Multiplying Decimal by 2-Digit Whole Number
• 41.3 Rule for Multiplying Decimal by 10, 100, 1000, etc.

42.Multiplying Decimals by Decimals

• 42.1 Multiplying Decimals by Decimals
• 42.2 Multiplying Decimals by Decimals (Rearrange)
• 42.3 Multiplying by 0.0001 or 0.0002
• 42.4 Rule for Multiplying Decimal by 0.1, 0.01, 0.001, etc.

43.Dividing Decimals by Whole Numbers

• 43.1 Dividing Decimals by Whole Numbers
• 43.2 Dividing Decimals by Whole Numbers (Fill Missing Places in Answer with Zeros)
• 43.3 Dividing Decimals by Whole Numbers (Add Zeros to Right to Keep Going)
• 43.4 Rule for Dividing Decimal by 10, 100, 1000, etc.

44.Dividing Decimals by Decimals

• 44.1 Dividing Decimals by Decimals (Introduction)
• 44.2 Dividing Decimals by Decimals (Division Symbol)
• 44.3 Dividing Decimals by Decimals (Division Box)
• 44.4 Can We Multiply Both Decimals by 10 if Multiplying?

45.Multiplying and Dividing Decimals Word Problems

• 45.1 Divide Decimal by Whole Number Word Problems
• 45.2 Multiply Decimal by Whole Number Word Problems
• 45.3 Multiplying Decimals by Decimals Word Problems
• 45.4 Divide Decimal by Whole Number Word Problems
• 45.5 Multiply Decimal by Whole Number Word Problems (Advanced)

46.Points, Lines, Segments, and Rays

• 46.1 Writing Names for Points, Lines, Segments and Rays
• 46.2 Drawing Points, Lines, Segments and Rays

47.Classifying Lines

• 47.1 Parallel, Perpendicular, and Intersecting Lines
• 47.2 Name the Line that is Parallel to a Given Line
• 47.3 Name the Line that is Perpendicular to a Given Line
• 47.4 Name a Line that Intersects a Given Line
• 47.5 Name Two or More Lines that Intersect at a Point
• 47.6 Draw Three Lines that Intersect at 0, 1, 2, or 3 Points

48.Angles

• 48.1 Write Three Names for a Given Angle
• 48.2 Name the Vertex and Sides of a Given Angle
• 48.3 Classify an Angle as Acute, Obtuse, Right, or Straight
• 48.4 Angles and Perpendicular, Parallel, and Intersecting Lines

49.Measuring Angles

• 49.1
• 49.2 Name, Measure, and Classify a Given Angle
• 49.3 Measure and Classify an Angle Formed by a Clock

50.Polygons

• 50.1 Determine if Polygon and Name Polygon

51.Quadrilaterals

• 51.1 Parallel Lines
• 51.2 Classify Quadrilateral (Given Picture)
• 51.3 Drawing Quadrilaterals (i.e. Parallelogram that is not a Rhombus)

52.Circles

• 52.1 Circle Vocabulary
• 52.2 Find Segment Lengths Using Radius and Diameter
• 52.3 Find Central Angles Using Sum of 360 Degrees
• 52.4 Find Central Angle Using Semicircle

53.Classifying 3-Dimensional Figures

• 53.1 Classifying 3-Dimensional Figures

54.Customary Unit Conversions

• 54.1 Unit Conversions (One Step)
• 54.2 Unit Conversions (Two or More Steps)
• 54.3 Determine the Customary Unit of Measurement that Would be Used

55.Metric Unit Conversions

• 55.1 Metric Conversions (One Step)
• 55.2 Metric Conversions (Two or More Steps)
• 55.3 Determine the Metric Unit of Measurement that Would be Used

56.Perimeter

• 56.1 Find Perimeter Given Picture and All Side Lengths
• 56.2 Find Perimeter Given Picture and One or Two Side Lengths (Decimals)
• 56.3 Find Perimeter Given Info but No Picture (i.e. Square 8mm on a Side)
• 56.4 Find Perimeter Given Info but No Picture (Decimals)
• 56.5 Find Perimeter Given Info but No Picture (Mixed Numbers)

57.Area of Squares and Rectangles

• 57.1 Area of Squares and Rectangles (Count the Squares)
• 57.2 Area of a Square
• 57.3 Area of a Rectangle
• 57.4 Area of a Rectangle (Decimals)
• 57.5 Area of a Square (Decimals)
• 57.6 Area of a Square (No Picture and Decimals)
• 57.7 Area of a Square or Rectangle (Mixed Numbers)
• 57.8 Is It Possible to Draw Square and Rectangle that Each Have Area of 36?

58.Pictographs and Line Plots

• 58.1 Make a Line Plot
• 58.2 Use a Line Plot
• 58.3 Use a Pictograph
• 58.4 Make a Pictograph
• 58.5 Use a Line Plot and Make a Pictograph

59.Stem-and-Leaf Plots and Frequency Charts

• 59.1 Make a Stem-and-Leaf Plot
• 59.2 Use a Stem-and-Leaf Plot
• 59.3 Make a Frequency Table
• 59.4 Use a Frequency Chart
• 59.5 Make a Stem-and-Leaf Plot and Frequency Chart and Use Best One