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Lesson Plan
PBS

Pbs Mathline: Bead Dazzling (Proportional Reasoning) [Pdf]

For Teachers 3rd - 8th
A comprehensive lesson plan on algebraic thinking where students create and identify patterns using proportional reasoning. Research based, this lesson plan includes technology connections, items for discussion, and extension activities.
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Lesson Plan
PBS

Pbs Mathline Lesson: Mix It Up [Pdf]

For Teachers 3rd - 5th
A lesson based on the story, "Oliver's Fruit Salad," where young scholars explore the concept of proportional reasoning through modeling, student sharing, and questioning. A great introductory lesson for this concept that is sure to...
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Interactive
Hooda Math

Hooda Math: Spill the Sand

For Students 3rd - 8th
Hooda Math games provide students extra practice in a variety of math skills. Spill The Sand Instructions: Click and Drag to draw lines before sand starts to pour. Get sand into the buckets. This game focuses on CCSS.Math.Practice.MP1...
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Rubric
Other

Exemplars: Thermometer Rubric

For Teachers 3rd - 5th
This rubric is appropriate to use with older students. It features a way for students to self-assess by drawing a line on the thermometer. Teachers could also assess using the same thermometer rubric.
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eBook
Math Planet

Math Planet: Geometry: If Then Statement

For Students 9th - 10th Standards
If-then statements are explained throught the use of examples and a video lesson. [1:16]
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Handout
Grammarly

Grammarly Handbook: Methods of Reasoning

For Students 9th - 10th Standards
A list (with examples) of common errors in logic including the following: non sequiturs, hasty generalization circular argument, ad hominem, ad populum, and red herring.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Origami Stars

For Teachers 4th - 8th
The purpose of this task is to present students with a situation in which they need to divide a whole number by a unit fraction in order to find a solution. Calculating the number of origami stars that Avery and Megan can make...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Thirteen? Oh No! (Pdf)

For Students 3rd - 8th Standards
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...
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Interactive
Hooda Math

Hooda Math: Hooda Stacker

For Students 3rd - 8th
Hooda Math games provide students extra practice in a variety of math skills. This game focuses on CCSS.Math.Practice.MP1 Make sense of problems and persevere in solving them and CCSS.Math.Practice.MP8 Look for and express regularity in...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Deductive Reasoning

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students use deductive reasoning to solve problems. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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Interactive
Math Slice

Math Slice: Smart Guess Game

For Students Pre-K - 1st
Can you guess the correct number between 1 and 99 in less than 30 tries? Play this fast paced, interactive game that tests your number sense and reasoning skills. If your are a great guesser, your name will be posted.
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: If Then Statements

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to rewrite statements in if-then form and determine the hypothesis and conclusion. Students examine guided notes, review guided...
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Lesson Plan
Utah Education Network

Uen: Exploring Balance

For Teachers K - 1st
During this lesson, students will engage in many activities that require them to use their balance.
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Activity
Annenberg Foundation

Annenberg Learner: Patterns in Mathematics: Guess My Button

For Teachers 1st - 3rd
This website gives students an opportunity to sort and classify attributes of a group. The applet responds to each selection made and guides student to the next step.
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PPT
Sophia Learning

Sophia: Fact vs. Opinion

For Students 6th - 8th
Learn the difference between fact and opinion as it relates to scientific thinking.
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Activity
University of Cambridge

University of Cambridge: Nrich: Triangles to Tetrahedra

For Students 3rd - 8th Standards
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
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Activity
University of Cambridge

University of Cambridge: Nrich: Konigsberg Plus

For Students 9th - 10th
See if you can solve this classic problem that Leonhard Euler first presented in 1736. Use the interactive section of this website to help you.
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Activity
University of Cambridge

University of Cambridge: Nrich: Read This Page

For Students 3rd - 8th
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Gone Fishing (Pdf)

For Students 1st - 3rd
Use your algebraic reasoning to solve this math challenge that explores the relationship between quantities and weights. Try this math challenge from the NCTM Math Challenges for Families series. Also, discover how mastering this skill...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Vcr

For Students 3rd - 8th
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...
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Which Is Worth More, a Smile or a Frown?

For Students 3rd - 6th
Solve for the value of the smiles and frowns to find out how much a smile is worth, in this activity. A challenge that focuses on number sense, number combinations, and unknowns. Included are examples of how this skill is applied in real...
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Graphic
Scholastic

Scholastic: Informational Text: Reading Response: Claim Evldence Reasoning [Pdf]

For Teachers 9th - 10th Standards
This graphic organizer can be used with students when they read informational text. Students will identify a claim, list text evidence that supports the claim, and explain how the information can be used for their future understanding of...
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Professional Doc
Other

Pare: Designing Scoring Rubrics for Your Classroom

For Teachers Pre-K - 1st
What do you know about designing scoring rubrics for your classroom? This site features an article that details how and when to use rubrics in the assessment process. It also gives examples of rubrics used in classrooms.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Alike or Different Game

For Teachers K - 1st Standards
Students work in pairs and take turns drawing two cards. These cards have pictures of different shapes. The students are asked to describe what is similar or different between the two shapes. This type of task lays the foundation for the...