5280 Math
Factory Functions
Solve a real-life problem using function-building skills. Presented with an open-ended question, scholars complete a checklist to create and justify a solution in an interesting algebra project. The checklist asks for justifications of...
College Board
2007 AP® Statistics Free-Response Questions
Knowing the questions ahead of time should be beneficial. Free-response questions released from the 2007 AP® Statistics tests provide teachers and pupils insight into the types of questions on the exam. The six open-ended questions show...
EngageNY
Grade 10 ELA Module 2: Unit 1, Lesson 2
Help readers go deeper and gain an understanding of purpose and justification while analyzing a letter written by Martin Luther King, Jr. Literature lovers discuss the letter in a variety of settings, including in pairs, groups, and...
Curated OER
Fact Families - 6, 7, and 42
Students investigate the problems that can be solved only using the numbers 6, 7, and 42. They write the correct number sentences and solve for the solution. Students then give a written explanation for how the problem was solved and the...
Curated OER
Linear Word Problems
In this linear word problems worksheet, students solve fifteen different word problems that are related to linear equations. First, they solve various multi-step problems in one variable. Then, students solve and provide justification...
Curated OER
Blocking Trade, or Blocking Aid?
Students examine various foreign conflicts in which the United States intervened, focusing on the causes of the conflicts, the United States' justification for entering the conflicts, and the outcomes of these interventions.
Curated OER
New Deck: Percents
Fifth graders observe and demonstrate the meaning of percents by creating a new deck of fifty-two cards. They meet a specified criteria, with a specific percent of the cards being prime numbers, eight's, multiples of five, face cards,...
Curated OER
Justifying Answers
Young scholars study story problems and learn how to find and justify their answers. They will use a story problem and then respond to the prompt questions from the teacher. They must add and subtract facts to 6 and learn how to justify...
Curated OER
Cancer and the Cell Cycle - Biology Teaching Thesis
Identify the different stages of mitosis and what occurs in each stage with a straightforward biology lesson. Young scientists identify the importance of the cell cycle control in maintaining homeostasis, and then match the correct...
Curated OER
Resistance in a Wire
High schoolers find the constant of proportionality and apply it to a situation. They use the electrical resistance in a wire as a context for finding the constant of proportionality. In addition, they write an explanation and...
Curated OER
Classroom Ethics/Means & Ends
Students explore different aspects of ethics. In this ethics lesson, students ponder the idea of ethics, and the concepts of the ends and means and action justification. Students will write a reflective paper after a class discussion.
Curated OER
Area and Perimeter of Rectangles
Discover the difference between area and perimeter. Learners are grouped in twos and threes and each group has one advanced/gifted learner to serve as the peer helper. They receive manipulatives to help them determine the area and...
Curated OER
Maniac Magee: Questions to Foster Discussion
This resource provides 11 short answer questions and a couple of extension ideas related to part one of Jerry Spinelli's novel about a feisty runaway. Not reproducible, but the questions (which address vocabulary, inference, recall,...
Curated OER
What's My Story? A Book About Me
Have your class create keepsake books about themselves. This activity is a presented as a basic idea with minimal justifications or classroom applications. However, with a little effort, this could become a full lesson. Add a rubric,...
Curated OER
No Bias Allowed
Students differentiate graphical representations looking for the bias. They use a systematic process in order to solve problems. Students explain how a problem is solved and the steps involved. Even deeper than this is giving the...
CCSS Math Activities
Smarter Balanced Sample Items: 6th Grade Math – Claim 3
Communication is key. Eight sample items show how important communication and reasoning is for sixth grade mathematics. Part of the Claim 2-4 slide show series, the presentation uses concepts from fifth and sixth grade to illicit...
Curated OER
Unwind: Discussion Strategy, Chalk Talk
Readers of Neal Shusterman's young adult science fiction novel, Unwind, engage in a silent discussion, posting their responses to a series of statements about characters in the story.
Illustrative Mathematics
Hexagonal Pattern of Beehives
Young geometers and biologists investigate the math of nature in an activity that is just the bee's knees. Participants will study the tessellations of hexagons in a beehive, along with the natural rationale behind the specific shape....
Illustrative Mathematics
Archimedes and the King's Crown
Learners will shout "Eureka!" in this quick but deep activity replicating the famous bathtub experiment of Archimedes. Given the scenario of a king with a suspected fake crown, young investigators develop formulas using density to...
Balanced Assessment
Greater, Lesser, In-Between
Goldilocks and the Three Numbers? The pre-activity task involves finding digits to complete decimals or fractions that satisfy given constraints, such as finding a fractions that is in between two others. The main task involves a similar...
Inside Mathematics
Quadratic (2006)
Most problems can be solved using more than one method. A worksheet includes just nine questions but many more ways to solve each. Scholars must graph, solve, and justify quadratic problems.
EngageNY
Looking More Carefully at Parallel Lines
Can you prove it? Making assumptions in geometry is commonplace. This resource requires mathematicians to prove the parallel line postulate through constructions. Learners construct parallel lines with a 180-degree rotation and then...
EngageNY
Informal Proofs of Properties of Dilations
Challenge the class to prove that the dilation properties always hold. The lesson develops an informal proof of the properties of dilations through a discussion. Two of the proofs are verified with each class member performing the...
EngageNY
Informal Proof of AA Criterion for Similarity
What does it take to show two triangles are similar? The 11th segment in a series of 16 introduces the AA Criterion for Similarity. A discussion provides an informal proof of the theorem. Exercises and problems require scholars to apply...
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