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

Grades: PS/Pre-K to 12Subjects: Addition & Subtraction, Professional Development, Mathematics, Multiplication & Division 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, Area & Volume, Current Science, Mathematics, Measurement & ToolsIn 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: Area & Volume, Measurement & ToolsThis 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: Earth & Space Science, Chemistry, Chemical Reactions & Stoichiometry, Current 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: Professional Development, Mathematics, Experimentation and the Scientific Method, CalculusThis 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 Education, Health Science & Medical Technology, CellsA 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## Multiply Fractions Jeopardy

Grades: PS/Pre-K to 12Subjects: Mathematics, Multiplication & Division, Parts of a Whole (Fractions, Decimals & Percent), Number SenseThis 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## It's A Breeze: How Air Pressure Affects You

Grades: TK/K to 9Subjects: Weather, Climate & Atmosphere, Earth & Space Science, Earth's Resources, Physics, Gases and Kinetic TheoryAn 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## A Giant Ginsu Shark from the Late Cretaceous Chalk of Kansas

Grades: No grades selected.Subjects: Earth's Resources, Evolution and Adaptation, Life SciencesThis 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## Examine an Animation of Hail Forming

Grades: TK/K to 9Subjects: Weather, Climate & Atmosphere, Earth & Space Science, Earth's ResourcesTeachers 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## Volume: Prisms, Cylinders, Pyramids, and Cones

Grades: PS/Pre-K to 12Subjects: Professional Development, Area & Volume, Mathematics, Measurement & ToolsThis 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## Rational Number Project Fraction Operations and Initial Decimal Ideas

Grades: TK/K to 9Subjects: Addition & Subtraction, Instructional Strategies, Professional Development, Estimation & Rounding 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, Area & Volume, Mathematics, Measurement & ToolsThis 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, Mathematics, Education, Child Development & Family Services, Algebra & Functions, Equations and InequalitiesThis 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## Pringles Pinhole Camera

Grades: TK/K to 12Subjects: Earth & Space Science, Measurement & Geometry, Chemistry, Human Anatomy & Physiology 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 & Space Science, Earth's Resources, Energy & Work, Chemistry 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: Parts of a Whole (Fractions, Decimals & Percent), Number SenseThe 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## Volume: Prisms, Cylinders, Pyramids, and Cones

Grades: 6 to 12Subjects: Area & Volume, Measurement & ToolsThis 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## Multiplying Fractions and Mixed Numbers

Grades: PS/Pre-K to 12Subjects: Professional Development, Mathematics, Multiplication & Division, Parts of a Whole (Fractions, Decimals & Percent), Number SenseThis 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## Landforms: Face of the Earth

Grades: TK/K to 9Subjects: Weather, Climate & Atmosphere, Earth & Space Science, Earth's Resources, Geology & the Dynamic EarthA module on each of the following landforms: Valleys,Plateaus, Mountains, Plains, Hills, Loess, and Glaciers. Each landform is p...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0