Mathematics Resources
PROBLEM SOLVED: Making Sense of Mathematics helps students and parents make sense of challenging mathematics concepts and procedures. The videos in the series build conceptual understanding of mathematics by working through interesting, real-life situations. Supplementary resources give students the opportunity to check and extend their reasoning by solving problems similar to those in the videos.
The PROBLEM SOLVED: Making Sense of Mathematics series includes 60 videos and 370 print materials.
Numbers and Operations: Whole Numbers
Rational Counting
Kindergarten
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Place Value with Tens and Ones
Grades K-2
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Difficult Addition Facts
Grade 1
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Difficult Subtraction Facts
Grades 1-2
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Adding and Subtracting Mentally
Grades 1-2
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Subtraction Procedure
Grades 2-4
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Difficult Multiplication Facts
Grades 3-4
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Multiplying and Dividing Mentally
Grade 3
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Multiplication Procedure
Grade 3-5
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Division Procedure
Grade 4-6
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Number and Operations: Fractions, Decimals, and Percent
Understanding Fractions
Grade 3
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Equivalent Fractions
Grades 3-4
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Mixed Numbers
Grades 4-5
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Adding Fractions
Grades 4-5
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Subtracting Fractions
Grades 4-5
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Comparing Fractions Mentally
Grades 3-4
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Fractional Parts of a Number
Grades 3-5
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Multiplying Fractions
Grade 5
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Division with Fractions
Grades 5-6
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Understanding Decimals
Grades 4-5
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Fraction Decimal Equivalents
Grade 4
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Comparing Decimals
Grades 4-5
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Percent Problems
Grades 6-7
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- A Closer Look
- Check Your Understanding
- Extend Your Learning
- Problems from Video
- Use What You've Learned
- Video Script
Number and Operations: Proportional Reasoning
Equal Ratios
Grade 6
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Comparing Ratios
Grades 6-7
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Graphing Proportional Relationships
Grades 6-8
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Similarity: Using Proportions
Grades 6-7
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- A Closer Look
- Another Approach
- Extend Your Learning
- Problems from Video
- Use What You've Learned
- Video Script
Scale Factor
Grades 6-7
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Geometry
What is a Triangle?
Grades K and 2
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Geometric Nets
Grade 6
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- A Closer Look
- Extend Your Learning
- Problems from Video
- Use What You've Learned
- Additional Resources
- Video Script
Law of Sines
High School
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Measurement: Area
Area of a Circle
Grades 7 and High School
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Area of a Parallelogram
Grades 6-7
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Area of a Trapezoid
Grades 6-7
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Area of a Triangle
Grades 6-7
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Changing Dimensions Area
Grade 7
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Fixed Perimeter Changing Area
High School
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What is Pi?
Grade 7
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Measurement: Volume
Changing Dimensions Volume
Grade 6
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Volume of Prisms and Cylinders
Grades 6-7
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Algebra: Linear Relationships
Linear Equations: Expressions and Diagrams
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Linear Equations: Tables and Graphs
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Linear Equations: Using Symbols
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Solving Inequalities
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Algebra: Exponential Relationships
Exponential Growth
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Exponential Decay
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Introduction to Logarithms
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Solving for Exponents
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Making Sense of Log Properties
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Credit Card Basics Part 1
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Algebra: Inverse Relationships
Credit Card Basics Part 2
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Inverse Proportionality
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Data Analysis and Probability: Data
Interpreting Correlation Coefficient
High School
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Introduction to Probability
Grade 7
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Mean Median Mode Part 1
Grade 6
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Mean Median Mode Part 2
Grades 6 and High School
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Normal Distribution
High School
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Regression
High School
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Representing Data Carefully
Grades 8 and High School
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Standard Deviation
Grades 6-7 and High School
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