Illustrative Mathematics
Illustrative Mathematics: 7.rp Friends Meeting on Bikes
Seventh graders use proportional relationships to determine the difference in speed between two girls riding bikes in this lesson.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Robot Races, Assessment Variation
In this lesson plan students watch a video of robot races then answer questions in regards to the given graph.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Art Class, Assessment Variation
Seventh graders knowledge of proportional relationships is assessed in this lesson plan using the mixtures of paint.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Buying Bananas, Assessment Version
In this lesson, 7th graders determine the proporitonal relationship between bananas and the cost.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Finding a 10% Increase
Seventh graders use proportional reasoning to sovle a percent problem in this lesson.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Buying Protein Bars and Magazines
In this lesson plan, 7th graders determine the amount of magazines that can be purchased and explore proportional relationships.
Illustrative Mathematics
Illustrative Mathematics: 7.rp How Fast Is Usain Bolt?
This lesson plan has students determine how fast a human can run and compare that speed to some of the fastest animals.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Dueling Candidates
Seventh graders use proportional reasoning to solve word problems regarding an election.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Robot Races
This lesson plan allows students to explore proportional relationships using information from robot races.
Illustrative Mathematics
Illustrative Mathematics: 7.rp and 7.g Sand Under the Swing Set
In this lesson plan, 7th graders determine the amount of sand needed to cover a particular area using proportional relationships.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Music Companies, Variation 1
This lesson plan has students determine the unit rate and then determine the cost.
National Council of Teachers of Mathematics
Nctm: Figure This: Thirteen? Oh No! (Pdf)
If you're superstitious you may want to try this math challenge. Test your reasoning and number sense skills by finding out if there is a Friday the 13th every year. Discover how understanding number patterns and reasoning can be helpful...
National Council of Teachers of Mathematics
Nctm: Figure This: Don't Fall In
Have you ever wondered why manhole covers are round? Believe it or not, there is a logical, mathematical reason. See if you can figure it out in this NCTM Math Challenge for Families activity. A one-page activity with suggested life...
University of Cambridge
University of Cambridge: Nrich: Seating Arrangements Plus!
Using your reasoning skills and the clues provided, try to figure out who is sitting where at this table of six. Check the solution and see if you are correct. You can choose similar games and math problems on this page, or choose math...
Annenberg Foundation
Annenberg Learner: Reasoning About Fractions
Apply the reasoning and proof standard to a problem based on the Fraction Tracks game. Students practice building fractions by combining fraction pieces.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Arguments and Proofs
The resource investigates arguments and proofs. The tutorial examines validity, Modus Ponens, counterexamples, and Modus Tollens. Students learn about the logic concepts through notes and examples. Practice exercises are included.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Proportionality
This lesson plan explores how to recognize and represent proportional relationships between quantities.
Oswego City School District
Regents Exam Prep Center: Types of Sentences
What is "Logic"? What is a "Mathematical sentence"? This website provides definitions of both of these terms and defines examples of mathematical sentences ("open sentence" and "closed sentence") and provides examples of each. Use the...
Oswego City School District
Regents Exam Prep Center: Negation: Not
Use this website to help you hone your critical thinking and math-problem solving skills. Learn what "Negation," is and how it applies when you are working on mathematical problems and sentences.
National Council of Teachers of Mathematics
Nctm: Figure This: Vcr
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...
CK-12 Foundation
Ck 12: Geometry: Indirect Proof in Algebra and Geometry
[Free Registration/Login may be required to access all resource tools.] This concept teaches students how to write an indirect proof and provides examples of indirect proofs in Algebra and Geometry.
CK-12 Foundation
Ck 12: Geometry: Indirect Proof in Algebra and Geometry
[Free Registration/Login may be required to access all resource tools.] Write algebraic and geometric indirect proofs.
Math Slice
Math Slice: Bricks 21 Game
To win this strategic game you must lay the 21st brick. That is what makes this interactive game challenging. Play against the computer or a partner. Winners will have their names posted for the day.