Curated OER
Divisibility Rules Using Scientific Calculators
Young learners apply divisibility rules to determine if a number is a factor of another number. They discuss what numbers are factors of another number and identify patterns using divisibility rules.
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Recognize Numbers Divisible by 3 and 6
In this divisibility worksheet, students analyze ten two-digit numbers and circle all those divisible by 3. Students then do the same with the number 6. No divisibility rules are provided.
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Sieve of Eratosthenes
Students discover the Sieve of Erathosthenes. They explore a method to find all the prime numbers in a group of numbers. Using models, students practice divisibility rules while examining the difference between prime and composite numbers.
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Rules and Responsibilities: Youth and the Process of Change
First graders analyze politics by participating in a class rules lesson. In this democracy lesson, 1st graders identify several class and school rules they dislike and conduct discussions to examine if they should be changed or not....
Facing History and Ourselves
How Do Rules and Traditions Shape Communities?
Sixth graders explore the concepts of laws and customs in a community, examining the reasoning behind rules. Then then collaborate to write their own classroom code of conduct.
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Recognize Multiplies of 9 and 10
For this recognizing multiples worksheet, students circle numbers that are divisible by 9, then circle numbers in a different set that are divisible by 9 and 10. Students then write 5 of the numbers that are divisible by both.
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Smart Cookie Factors
Learners examine the concept of finding the greatest common factor. They complete number of activities as they practice identifying prime and composite numbers. Pupils apply rules of divisibility and find the greatest common factor while...
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Jumping Rules
First graders practice identifying number patterns. In this basic patterns lesson plan, 1st graders use a large number line and jump to certain numbers to create, identify or extend a pattern. This lesson plan includes a script to guide...
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Time and Timetables
In this recognizing time and timetables learning exercise, students compare Julian and Gregorian calendars, determine leap years, and apply the formula for finding the day of week and Easter day for any year. Students solve 20 problems.
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Rules and Responsibilities Youth and the Process of Change
First graders learn vocabulary in regards to laws, courts, and policeman. They read and discuss the book, The Value of Respect: The Story of Abraham Lincoln. An attorney visits the classroom and discusses the roles of judges and juries.
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Linear Inequalities
Ninth graders practice recognizing similarities and differences found in the graphing of inequalities and equations. Once observatioons are made they solve some of their own applying prior knowledge.
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International Women's Day
Students complete activities to learn about International Women's Day. In this women's importance lesson, students discuss the roles women play in students' lives. Students create a collage of special women in their lives and give a...
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Using Old Maps as Tools to Explore Our World
Students explore historical maps. In this primary source analysis lesson, students uncover the meanings in selected historical maps as they use them to enhance lessons on historical events. Samples for classroom use are provided in this...
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
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Equivalent Fractions and Comparing Fractions
How can you tell if fractions have equal value? Use various collaborative activities to demonstrate the ways to determine whether or not fractions are equivalent.
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Prime Factorization
Students work with prime numbers. In this prime factorization lesson, students review writing numbers in their prime factorization form and solve multiple problems.
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Counting by Making Groups
First graders represent, compare, and order numbers. In this counting skills lesson, 1st graders use manipulatives to demonstrate one-to-one correspondence and to represent numbers. This lesson includes a teacher script to guide the lesson.
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Lesson 2: What Is Money?
Students describe the functions of money as a medium of exchange, a store or a measure of value. They determine a number of characteristics of money by completing an activity in which they assign common items the value to buy candy. They...
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Finding Prime Factors
In this finding prime factors worksheet, 6th graders read two strategies for finding prime factors, then practice using these methods by doing factor facts drills.