These lesson plans and activities are organized under topics. Click the found next to the topic to see the related knowledge and skill statements from Content Knowledge, 4th edition.

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Addition/subtraction

• Addition is the Inverse of Subtraction (Kindergarten–Grade 2)—McREL
• Multiplication and Addition (Grades 3–5)— McREL*
• Taking Numbers Personally (Kindergarten–Grade 2)—McREL*
• Primary Path (Elementary)—David Dee; Kentfield, CA*

Basic and linear measures

• Assessing the Physical World (Kindergarten–Grade 2)—McREL*
• Counting Coins (Kindergarten–Grade 2)—McREL
• New Pen at the Zoo (Grades 3–5)—McREL*

Data collection and sampling

Data organization and display

• Data Shuffle (Grades 6–8)—McREL
• Have You Ever Seen So Much Data? (Grades 3–5)—McREL
• Jumping to Conclusions (Kindergarten–Grade 2)—McREL

Decimals

• Equivalent Numbers (Grades 3–5)—McREL*

Experimental probability

Fractions

• Equivalent Numbers (Grades 3–5)—McREL*

Measurement estimation

• Assessing the Physical World (Kindergarten–Grade 2)—McREL*

Multiplication/division

• Multiplication and Addition (Grades 3–5)—McREL*
• Primary Path (Elementary)—David Dee; Kentfield, CA*

Patterns

• Parade of People (Kindergarten–Grade 2)—McREL
• Fibonacci Numbers and Nature (Multiple lessons, multiple grades)—Dr. Ron Knott; Surrey University; Guildford, UK
• A Fractals Unit for Elementary & Middle School Students (Grades 1–6)—Cynthia Lanius; Rice University; Houston, TX

Perimeter/area/circumference

• New Pen at the Zoo (Grades 3–5)—McREL*

Problem solving

Proof and empirical verification

• Getting to the Bottom of the Pyramids (Grades 6–8)—McREL

Ratio/proportion/percent

• Equivalent Numbers (Grades 3–5)—McREL*
• Stars and Stripes (Grades 6–8)—McREL

Sequences and series

• Chessboard Series (Grades 9–12)—McREL*

Shapes and figures

• Symmetry (Grades 3–5)—McREL
• Flag Folding (Grades 3–5)—McREL

Trigonometry

• Elevation at its Peak (Grades 9–12)— McREL
• Trigonometry in Action (Grades 9–12)—McREL

Weight and mass

• Assessing the Physical World (Kindergarten–Grade 2)—McREL*

Whole numbers/place value/numeration

• More or Less Than (Kindergarten–Grade 2)—McREL
• Ordinal Numbers (Kindergarten–Grade 2)—McREL*
• Taking Numbers Personally (Kindergarten–Grade 2)—McREL*
• Reinforcement Lesson in Place Value (Grades 2–4)—Morgan Cottle; Ashland, OR

General mathematics resources

• Forum Web Units and Lessons (Multiple lessons, multiple grades)—The Math Forum @ Drexel; Philadelphia, PA
• Lesson Plans & Reproducibles (Multiple lessons, multiple grades)- Scholastic, Inc
• Mathematics K to 7 (Kindergarten–Grade 7)—British Columbia Ministry of Education, Canada
• Mathematics Lesson Plans (Multiple lessons, multiple grades)—Educator's Reference Desk; Information Institute of Syracuse, New York
• MathMagic: Telecommunications Project (Multiple lessons, multiple grades)—The Math Forum @ Drexel; Philadelphia, PA
• PBS TeacherSource (Multiple lessons, multiple grades)—PBS Online®
• PlaneMath Activities (Multiple lessons, multiple grades)—InfoUse & National Aeronautics and Space Administration (NASA)
• SMILE Program Mathematics Index (Multiple lessons, multiple grades)—Illinois Institute of Technology; Chicago, IL
• Suzanne's Math Lessons (Multiple lessons, multiple grades)—Suzanne Alejandre; The Math Forum @ Drexel; Philadelphia, PA
• Word Problems for Grades 5-12 (Grades 5–12)—St. Francis Xavier University; Nova Scocia, Canada
• Visual Math Learning (Multiple lessons, multiple grades)—Wayne Allen Bateman

Note: An asterisk (*) denotes an activity that is listed under more than one topic.