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**1-20**of**6433**resources## Models for the Multiplication and Division of Fractions

Grades: PS/Pre-K to 12Subjects: Multiplication & Division, Addition & Subtraction, Professional Development, 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: 0## September Open-Ended Math Problems: Measurement

Grades: PS/Pre-K to 12Subjects: English-Language Arts, Measurement & Tools, Current Science, Mathematics, Area & VolumeIn these three word problems, students are asked to explore real-world applications of measuring area and perimeter to design a ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Area and Perimeter Word Problems and Open-Ended Questions

Grades: TK/K to 6Subjects: Measurement & Tools, Area & VolumeThis worksheet gives students practice finding the perimeter and area of rectangles and squares using real-world and mathematica...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Luminol Test

Grades: TK/K to 12Subjects: Atomic Structure, Experimentation and the Scientific Method, Chemical Reactions & Stoichiometry, Earth & Space Science and 4 additional..Visitors mix a solution containing luminol and copper with a fake blood solution. A chemical reaction between the luminol soluti...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Introduction to Real Analysis, by William F. Trench

Grades: 9 to 12Subjects: Experimentation and the Scientific Method, Calculus, Professional Development, MathematicsThis book was published previously by Pearson Education. This free edition is made available by the author in the hope that it w...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Cell Size & Scale

Grades: 4 to 12Subjects: Structure and Function in Living Things, Health Science & Medical Technology, Cells, Health EducationA nice Flash-based presentation of the relative size of very small objects: from coffee beans, grains of salt and rice, to HIV, ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## It's A Breeze: How Air Pressure Affects You

Grades: TK/K to 9Subjects: Earth's Resources, Gases and Kinetic Theory, Earth & Space Science, Weather, Climate & Atmosphere, PhysicsAn explanation of air pressure and how it relates to weather is highlighted on this National Aeronautics and Space Administratio...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Multiply Fractions Jeopardy

Grades: PS/Pre-K to 12Subjects: Multiplication & Division, Number Sense, Parts of a Whole (Fractions, Decimals & Percent), MathematicsThis interactive game for one or two players is presented Jeopardy-style with five categories: Multiply a Whole Number by a Frac...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## A Giant Ginsu Shark from the Late Cretaceous Chalk of Kansas

Grades: No grades selected.Subjects: Earth's Resources, Life Sciences, Evolution and AdaptationThis site features a report on the historic 1891 discovery of a giant Cretaceous fossil shark (Cretoxyrhina) and the recent exca...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Rational Number Project Fraction Operations and Initial Decimal Ideas

Grades: TK/K to 9Subjects: Estimation & Rounding, Multiplication & Division, Addition & Subtraction, Professional Development 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: 0## The Online Geoboard

Grades: PS/Pre-K to 12Subjects: Measurement & Geometry, Measurement & Tools, Mathematics, Area & VolumeThis applet simulates the use of an actual geoboard without the usual limitations of working with rubber bands. Geoboards are us...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Translating Word Problems into Equations

Grades: PS/Pre-K to 12Subjects: Inquiry & Problem Based Learning, Education, Child Development & Family Services, Equations and Inequalities, Algebra & Functions, MathematicsThis site shows students how to translate word problems into equations. It gives seven steps, from reading the problem carefully...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Volume: Prisms, Cylinders, Pyramids, and Cones

Grades: PS/Pre-K to 12Subjects: Professional Development, Measurement & Tools, Mathematics, Area & VolumeThis lesson allows students to identify, measure, and solve problems using the volume of prisms, cylinders, pyramids, and cones....Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Examine an Animation of Hail Forming

Grades: TK/K to 9Subjects: Earth's Resources, Earth & Space Science, Weather, Climate & AtmosphereTeachers can use this animation to continue a study of clouds. In addition to asking students to construct their own explanation...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Pringles Pinhole Camera

Grades: TK/K to 12Subjects: Structure and Function in Living Things, Measurement & Geometry, Earth & Space Science, Light, Sound & Other Waves and 3 additional..An ordinary camera has a lens that makes an image on film. In a pinhole camera a small hole replaces the lens. This activity pro...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## A Model Nuclear Power Plant Steam Turbine

Grades: 6 to 12Subjects: Earth's Resources, Energy & Work, Measurement, Tools, and Data Analysis, Earth & Space Science and 5 additional..In this activity (on pages 22-25 of PDF), learners build a model of a power plant using simple materials. The activity specifica...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Pizza Fractions

Grades: TK/K to 6Subjects: Number Sense, Parts of a Whole (Fractions, Decimals & Percent)The classroom poster helps students understand fractions as parts of a whole by illustrating pizzas and fractions of pizzas. The...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Multiplying Fractions and Mixed Numbers

Grades: PS/Pre-K to 12Subjects: Multiplication & Division, Professional Development, Number Sense, Parts of a Whole (Fractions, Decimals & Percent), MathematicsThis lesson is designed to reinforce skills associated with multiplying fractions and mixed numbers and allow students to visual...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Volume: Prisms, Cylinders, Pyramids, and Cones

Grades: 6 to 12Subjects: Measurement & Tools, Area & VolumeThis lesson allows students to identify, measure, and solve problems using the volume of prisms, cylinders, pyramids, and cones....Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## What Does It Mean To Measure?

Grades: PS/Pre-K to 12Subjects: Unit Conversions, Measurement & Tools, Mathematics, Area & VolumeIn this session, students will begin to explore the questions "What can be measured?" and "What does it mean to measure somethin...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0