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**21-40**of**6433**resources## Volume, Mass, and Density Boxes

Grades: 6 to 12Subjects: Area & Volume, Measurement & ToolsIn this activity, students are introduced to "the relationships among changes in volume, mass, and density." In it, students fil...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## The Pythagorean Theorem

Grades: 6 to 12Subjects: Angles & Pythagorean Theorem, Measurement & Geometry, Measurement & ToolsThis overview of the Pythagorean Theorem covers its purpose, equation, application, and validity. The site also provides a numbe...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Apple Pi

Grades: 6 to 9Subjects: Area & Volume, Measurement & Geometry, Measurement & ToolsIn this two-lesson unit, students discover the circumference and area formulas based on their own investigations. After measurin...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Inchworm Measurement

Grades: TK/K to 6Subjects: Measurement & Geometry, Measurement & ToolsIn this activity, students are introduced to the concept of measuring length. Students estimate and then use inchworm measuring ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Grid and Percent It

Grades: 6 to 9Subjects: Rates and Proportions, Number SenseThis lesson begins with a basic visual used in many textbooks: a 10 × 10 grid as a model for demonstrating percent as "parts per...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## How Tall Are We?

Grades: TK/K to 6Subjects: Measurement & Geometry, Measurement & ToolsStudents measure each other's height using large building blocks, then visit a 2nd and a 4th grade class to measure those studen...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Mars Fraction Hunt

Grades: TK/K to 6Subjects: Number Sense, Parts of a Whole (Fractions, Decimals & Percent)This fraction hunt activity is designed to help students understand fractions as partitioned parts of a whole. Students are requ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Equivalent Fractions Finder

Grades: TK/K to 6Subjects: Number Sense, Parts of a Whole (Fractions, Decimals & Percent)This activity allows students to visually experiment with the relationship between the values of equivalent fractions and areas ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Fraction Sorter

Grades: TK/K to 6Subjects: Number Sense, Parts of a Whole (Fractions, Decimals & Percent)Using this applet, the student represents two to four fractions by dividing and shading areas of squares or circles and then ord...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## What's My Ratio?

Grades: 6 to 9Subjects: Rates and Proportions, Number SenseIn this activity, students use linear measurement and calculators to investigate proportionality and determine the constant rati...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Measure It! Paperclips

Grades: TK/K to 6Subjects: Measurement & Geometry, Measurement & ToolsThese 20 images give students practice measuring the height and width of various pictures with paperclips. Ready to print, each ...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## A Measurement Hunt

Grades: TK/K to 6Subjects: Measurement & Geometry, Measurement & ToolsIn this activity, students hunt around the classroom to find objects of various nonstandard measurements to enhance their estima...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Fixed Areas

Grades: TK/K to 6Subjects: Area & Volume, Unit Conversions, Measurement & ToolsIn this activity, students explore area and perimeter, the difference between them, and how to calculate them. As an introductor...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Geometry Word Problems - Level 1

Grades: TK/K to 6Subjects: Area & Volume, Measurement & ToolsThis site presents students with five word problems in which students apply their knowledge of calculating perimeter and area. S...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Measurement: Converting Distances

Grades: TK/K to 6Subjects: Unit Conversions, Measurement & Tools, English-Language ArtsThis lesson helps students understand and practice converting measurements in both English and metric systems. The 8-page pdf be...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Ratio Word Problems

Grades: 6 to 9Subjects: Rates and Proportions, Number SenseThis 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: 0## Two Numbers: Creating and Solving Basic Algebra Equations

Grades: 6 to 9Subjects: Equations and Inequalities, Algebra & FunctionsThis lesson helps students with basic algebraic equations by presenting a word problem, translating it to an equation, and uses ...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Solving Systems of Linear Equations in Two Variables

Grades: 6 to 9Subjects: Equations and Inequalities, Algebra & Functions, Coordinate Systems & GraphingThis tutorial shows students how to solve systems of linear equations in two variables using three methods: graphing, substituti...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0## Linear Inequalities

Grades: 9 to 12Subjects: Equations and Inequalities, Algebra & FunctionsUpon completing this lesson, student should be able to use the addition, subtraction, multiplication, and division properties of...Contributor: National Science Digital Library (NSDL)Views: 0Favorites: 0