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   Problem Solving

Module 2 Problem Solving 1
Unit 0 Introduction
Unit 1 Buses, Passengers, and Folders
Unit 2 Sum of Primes
Unit 3 Generating a Non-Integer
Unit 4 Family Savings
Unit 5 Equal Rectangular Areas
Unit 6 Radical and Power
Module 3 Problem Solving 2
Unit 0 Ways to Solve
Unit 1 Lecture Hall Seats
Unit 2 Rectangular Floor
Unit 3 Fractions of Inventory
Unit 4 One-Tenth Percent
Unit 5 Absolute Value on Number Line
Unit 6 Fresh Fish Average of Averages
Unit 7 Identification Numbers
Module 4 Problem Solving 3
Unit 1 Commission on Sales
Unit 2 Volume of Two Boxes
Unit 3 30th Digit
Unit 4 Absolute Value Inequality
Unit 5 Machines and Combined Rate
Unit 6 Teams Finishing Foot Race
Unit 7 Powers of Tenth
Module 5 Problem Solving 4
Unit 1 Percent of a Number
Unit 2 Day Shift and Night Shift
Unit 3 Import Taxes
Unit 4 Prime Number and Remainder
Unit 5 Points in Coordinate Plane
Unit 6 Ratio with a Fraction
Unit 7 Average with Additional Item
Module 6 Problem Solving 5
Unit 1 Subtracting Compound Fractions
Unit 2 Piles of Coins
Unit 3 Graph of Hours Worked
Unit 4 Percent Increases and Decreases
Unit 5 Simplifying Radicals
Unit 6 Driving at a Constant Rate
Unit 7 Jay's Painting Rate
Module 7 Problem Solving 6
Unit 1 Algebraic Equivalence
Unit 2 Quotients of Positive and Negative Numbers
Unit 3 Fractions, Decimals and Denominators
Unit 4 Variable in a Denominator
Unit 5 Dates at a Wedding Reception
Unit 6 Angles and Fractions of a Circle
Unit 7 Least Common Multiple
Module 8 Problem Solving 7
Unit 1 Cannot Be Odd
Unit 2 Bisecting a Line
Unit 3 Estimating Sum of Fractions
Unit 4 Fraction Subtraction
Unit 5 Possible Absolute Values
Unit 6 Difference in Distances over Time
Unit 7 Other Solution of a Quadratic Equation
Module 9 Problem Solving 8
Unit 1 Two Equations Plus One Condition
Unit 2 Integers Within an Inequality
Unit 3 Comparing Two Averages
Unit 4 Men and Women Assigned to Projects
Unit 5 Ratios of Marbles
Unit 6 Summing Radicals
Unit 7 Bucket of Rainwater
Module 10 Problem Solving 9
Unit 1 Spending Cash Reserves
Unit 2 Volumes of a Solution
Unit 3 Equation of a Line
Unit 4 Slope of a Line
Unit 5 Angles of a Parallelogram
Unit 6 Carrots and Onions Purchased
Unit 7 Serving Size, Price and Revenue
Module 11 Problem Solving 10
Unit 1 Converting Units
Unit 2 Comparing Mean and Median
Unit 3 Visible Stars in the Night Sky
Unit 4 Circle in the Coordinate Plane
Unit 5 Distance to the Moon
Unit 6 Probability of Pairs of Draws
Unit 7 Ratios of Children
Module 12 Problem Solving 11
Unit 1 Needless Variable
Unit 2 Comparing Car Counts at a Location
Unit 3 Rotating a Square
Unit 4 Combining Inequalities
Unit 5 Divisibility into Paperclip Piles
Unit 6 Ratio of Profits
Unit 7 Volume from Area
Module 13 Problem Solving 12
Unit 1 Time to Turn Around
Unit 2 Team Award
Unit 3 Divisibility of a Large Number
Unit 4 Fraction of Many Decimals
Unit 5 Estimating a Sum of Many Fractions
Unit 6 Compound Interest
Unit 7 A Difference and a Total
Module 14 Problem Solving 13
Unit 1 A Machine's Rate of Production
Unit 2 Algebraic Divisibility by 3
Unit 3 Combined Rate of Nail-Producing Machines
Unit 4 Decline in a Road
Unit 5 Ernesto and His Wife's Ages
Unit 6 Gross Profit per Light Bulb
Unit 7 Revenue from Sweaters
Module 15 Problem Solving 14
Unit 1 Consecutive Odd Integers
Unit 2 Remainder and Fractional Portion
Unit 3 Two Quadratic Equations
Unit 4 Algebraic Manipulation of a Median
Unit 5 Arithmetic with Fractions
Unit 6 Percent Decrease in Value
Unit 7 Earthquake Strength
Module 16 Problem Solving 15
Unit 1 Contaminated Volume in a Tank
Unit 2 People Registered to Vote
Unit 3 Changing an Apples-to-Oranges Ratio
Unit 4 Scanning the Pages of a Book
Unit 5 The Diagonal of a Square
Unit 6 Insect Population Growth
Unit 7 Ratio of Mean to Median
Module 17 Problem Solving 16
Unit 1 Teachers Aged 30+
Unit 2 Linear Equations with Fractions
Unit 3 Maximum Divisors
Unit 4 Comparing Exponents
Unit 5 Counting Zeroes
Unit 6 Charnge in Sales Ratio
Unit 7 Factor of a Large Product
Module 18 Problem Solving 17
Unit 1 Monthly Customer Acquisition
Unit 2 Symmetric Distribution
Unit 3 Company Satisfaction Rate
Unit 4 Finding a Non-Factor
Unit 5 Ratio of Women to Men
Unit 6 Seminar Overflow
Unit 7 Overlapping Frames
Module 19 Problem Solving 18
Unit 1 Inequalities with a Negative Fraction
Unit 2 Ratio of a Cylinder's Dimensions
Unit 3 Prime Number Manipulation
Unit 4 Solving by Exponent Rules
Unit 5 Arithmetic Sequence
Unit 6 Unique Code System
Unit 7 Stairway of Blocks
Module 20 Problem Solving 19
Unit 1 Three Posts
Unit 2 Combining Inequalities II
Unit 3 Albert's Coins
Unit 4 Operation Omega
Unit 5 Dive Into a Pool of Water
Unit 6 Comparing Medians
Unit 7 Assigning Pairs
Module 21 Problem Solving 20
Unit 1 Ed's Research Estimate
Unit 2 Average Excluding Tax
Unit 3 Unemployed Miners
Unit 4 Doubling Investment
Unit 5 Livestock per Capita
Unit 6 Improper Fraction
Unit 7 Combined Rate of Two Machines
Module 22 Problem Solving 21
Unit 1 Number Line Segment
Unit 2 Legal Service Billing
Unit 3 Chris' Average Expenses
Unit 4 Dimensions of a Window
Unit 5 Increasing a Percent
Unit 6 Rounded Weight and Actual Weight
Unit 7 Custom Operation
Module 23 Problem Solving 22
Unit 1 Percentage to Range Estimate
Unit 2 Definition: Less Than or Equal To
Unit 3 Eduardo's Heaviest Catches
Unit 4 Surface Area of Tile Fragments
Unit 5 Divisibility by Twice a Square
Unit 6 Earnings per Team and per Member
Unit 7 Possible Answers to a Survey
Module 24 Problem Solving 23
Unit 1 Fraction with Repeating Decimals
Unit 2 Sum of Sit-Ups Over a Year
Unit 3 A Projectile Falls Short
Unit 4 Frederique's Trip
Unit 5 Units Digit of an Exponent
Unit 6 Value of Quadratic Expression
Unit 7 Trapezoid and Circle
Module 25 Problem Solving 24
Unit 1 Powers of Negative 1
Unit 2 Recursive Sequence
Unit 3 Nested Rectangles
Unit 4 Area of Irregular Shape
Unit 5 A Painting Machine's Rate
Unit 6 Operations on Unknown Number
Unit 7 Salt Solution
Module 26 Problem Solving 25
Unit 1 Counting Prime Number Factors
Unit 2 Circular Garden and Circular Statue
Unit 3 John's and Janice's Age
Unit 4 Counting Nonzero Digits
Unit 5 Sum of Many Odd Integers
Unit 6 The Probability of a Blue Ball
Unit 7 Change in Health Care Cost per Employee
Module 27 Problem Solving 26
Unit 1 Portions of Advanced Certification
Unit 2 Impossible Value of k
Unit 3 Retailer's Profit on Items Ordered
Unit 4 Employees from England and Japan
Unit 5 Negative Exponents of Negative Fractions
Unit 6 Percent of x
Unit 7 Quadratic Inequality
Module 28 Problem Solving 27
Unit 1 Molecules of Carbon Dioxide in a Sample
Unit 2 Jenna's Children
Unit 3 Linear Equation with Variable in Denominator
Unit 4 Beginning and End of a Season
Unit 5 Restaurant Reviews - Overlapping Sets
Unit 6 Terms in a Closed-Form Sequence
Unit 7 Quadratic Equation
Module 29 Problem Solving 28
Unit 1 Skiing Club Members...and the Whole Class
Unit 2 Nine Audio Recordings
Unit 3 Citizenship Survey
Unit 4 Probability of a Product
Unit 5 Suggestive Fraction
Unit 6 Overlapping Sets - Questions Answered Correctly
Unit 7 Probability of Coin Tosses
Module 30 Problem Solving 29
Unit 1 Distances in the Coordinate Plane
Unit 2 Decreasing with y
Unit 3 Students per Class
Unit 4 Distance within a Box
Unit 5 Distribution of Charitable Donation
Unit 6 Average with New Element
Unit 7 Ratio of Substances in a Solution
Module 31 Problem Solving 30
Unit 1 Non-Prime Divisors of n
Unit 2 Triangle in the Coordinate Plane
Unit 3 Approaching Cars
Unit 4 Equation of Line L
Unit 5 Substitution Into an Expression
Unit 6 Tangent Circle
Unit 7 Game with Six-Sided Die
Module 32 Problem Solving 31
Unit 1 Interior and Exterior Angles of Triangle
Unit 2 Non-Linear Equation
Unit 3 Exchanging Digits
Unit 4 Three Product Launches
Unit 5 Solving for x in Compound Fraction
Unit 6 Thermal Resistances
Unit 7 Students Who Got Both Questions Correct
Module 33 Problem Solving 32
Unit 1 Differing Powers and Denominators
Unit 2 Mixture of Spices
Unit 3 Possible Values of y
Unit 4 Game with Cards and Point Values
Unit 5 Properties of Consecutive Even Integers
Unit 6 Minutes of Courtyard Bell
Unit 7 Even and Odd Properties of Algebraic Expression
Module 34 Problem Solving 33
Unit 1 Circles Within a Square
Unit 2 Fraction of Decimals and Exponents
Unit 3 Multiple of an Exponent