Displaying 21-40 of 59 resources
Ratios
Grades: Pre-K to 12Subjects: Mathematics, Number Sense, Rates and Proportions, Angles & Pythagorean Theorem, Measurement & GeometryThis set of instructional materials and problems helps students understand ratios and proportions, starting with a simple review...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Ratios
Grades: Pre-K to 12Subjects: Number Sense, Rates and ProportionsThis "homework help" lesson introduces students to ratios, ratio language, equivalent ratios, and allows students to practice wi...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Rational Number Project Fraction Operations and Initial Decimal Ideas
Grades: K to 9Subjects: Addition & Subtraction, Parts of a Whole (Fractions, Decimals & Percent), Mathematics, Instructional Strategies and 4 additional..Twenty-eight lesson plans make up this research-based fourth- through sixth-grade fraction and decimal curriculum, covering thro...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Ratio Word Problems
Grades: Pre-K to 12Subjects: Number Sense, Rates and ProportionsThis lesson begins with a word problem in which students must figure how much money Erica and Tim each earn when they split $480...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Rate It
Grades: 6 to 9Subjects: Inquiry & Problem Based Learning, Number Sense, Positive & Negative Numbers, Education, Child Development & Family Services, Professional DevelopmentThis activity provides an introduction to the concept of negative numbers. Students are asked to rate an event on a scale of -2 ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Quick Questions
Grades: K to 9Subjects: Data Analysis, Statistics, and Probability, Science, Nature & Method of Science, Mathematics and 6 additional..This activity provides an introduction to data analysis. The instructor poses a simple multiple choice question for the children...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Pyramid Building
Grades: 6 to 12Subjects: Data Analysis, Statistics, and Probability, Science, Personal and Community Health, Human Anatomy & Physiology and 10 additional..This lesson provides students with the background to understand the importance of age structure on population growth. They do th...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Proportional Reasoning
Grades: Pre-K to 12Subjects: Number Sense, Rates and ProportionsIn this session, a special kind of functional relationship is explored: the proportional relationship. Students develop proporti...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Pentagon Puzzles
Grades: Pre-K to 12Subjects: Mathematics, Measurement & Tools, Area & Volume, Angles & Pythagorean Theorem and 2 additional..In this set of two activities, students find the area of regular pentagons by deconstructing them into triangles and smaller pen...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Number Cruncher
Grades: Pre-K to 12Subjects: Addition & Subtraction, Curriculum Design, Mathematics, Number Sense and 5 additional..In this activity, students enter inputs into a function machine. Then, by examining the outputs, they must determine what functi...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Normal Distribution
Grades: Pre-K to 12, Undergraduate to GraduateSubjects: Data Analysis, Statistics, and Probability, Curriculum Design, Science, Nature & Method of Science and 4 additional..In this activity, students adjust the standard deviation and sample size of a normal distribution to see how it will affect a hi...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Models for the Multiplication and Division of Fractions
Grades: Pre-K to 12Subjects: Addition & Subtraction, Parts of a Whole (Fractions, Decimals & Percent), Mathematics, Number Sense and 2 additional..This site uses visual models to better understand what is actually happening when students multiply and divide fractions. Using ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Modeling Linear Relationships
Grades: Pre-K to 12Subjects: Equations and Inequalities, Mathematics, Algebra & Functions, Professional Development, Coordinate Systems & GraphingIn this lesson, students use data collected comparing height and arm span and create a scatter plot from the bivariate data. In ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Measures
Grades: Pre-K to 12Subjects: Science, Nature & Method of Science, Mathematics, Measurement & Tools and 3 additional..This interactive applet is designed to "develop students' understanding of the concept of area." In it, students are able to dra...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Measures
Grades: Pre-K to 12Subjects: Data Analysis, Statistics, and Probability, Curriculum Design, Mathematics, Education, Child Development & Family Services and 2 additional..In this activity, students create data of a certain characteristic and use slider bars to set the data. Then the applet calculat...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Mathline Activity IV -- Approval Voting
Grades: 6 to 9Subjects: Inquiry & Problem Based Learning, Data Analysis, Statistics, and Probability, Science, Mathematics and 8 additional..Mock election demonstrating approval voting, an electoral system in which voters can select as many or as few candidates as they...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Mathline Activity I -- Borda Count
Grades: K to 12Subjects: Inquiry & Problem Based Learning, Data Analysis, Statistics, and Probability, Science, Mathematics and 8 additional..Mock-election demonstrating the Borda Electoral Count, a ranking system of elections that is rarely used for governmental electi...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0Linear Inequalities
Grades: Pre-K to 12Subjects: Equations and Inequalities, Mathematics, Algebra & FunctionsUpon completing this lesson, student should be able to use the addition, subtraction, multiplication, and division properties of...Contributor: The NSDL Math Common Core CollectionViews: 0Favorites: 0Linear Equations
Grades: Pre-K to 12Subjects: Equations and Inequalities, Mathematics, Algebra & Functions, Professional Development, Coordinate Systems & GraphingThis unit is a full lesson on linear equations with many problems for students and notes to teachers embedded. It begins with a ...Contributor: The NSDL Math Common Core CollectionViews: 0Favorites: 0Linear Equations
Grades: Pre-K to 12Subjects: Equations and Inequalities, Mathematics, Algebra & Functions, Coordinate Systems & GraphingThis narrated demonstration introduces students to linear equations with one variable, their visual representation, and how to s...Contributor: The NSDL Math Common Core CollectionViews: 0Favorites: 0

