Subjects

Math

English Language Arts

Science

Social Studies

Foreign Language

Grades

Pre-K

Kindergarten

1st Grade

2nd Grade

3rd Grade

4th Grade

5th Grade

6th Grade

7th Grade

8th Grade

Worksheets

Games

Build a Worksheet

Word Scramble

Word Search

Crossword Puzzle

Sudoku Generator

Addition Worksheet Generator 

Subtraction Worksheet Generator

Multiplication Worksheet Generator

Division Worksheet Generator

See All

More Resources

Arts & Crafts

Hands-On Activities

CVC Words

Guided Lessons

Common Core State Standards

Common Core Math

Common Core ELA

Roly Recommends

Weekly Recommendations

Early Childhood

Social Emotional Learning

Holidays

Winter

Christmas

Hanukkah

Kwanzaa

Showing Results for three digit using

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Seeds x Three

This project examines whether humans can intuitively grasp numeric values greater than three.

Do humans understand values greater than three?

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Wrinkle Removal Products

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Surface Features of the Moon Model

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

Dig It! #3

This project compares the strength of one, two, and three-ply toilet paper.

The Relationship Between Toilet Paper Ply and Strength

This science fair project idea identifies trees using a dichotomous key.

Using A Dichotomous Key To Identify Trees

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Using Mirrors to Create Phantom Sensations

Introduce students to the term **algorithm** using the familiar story of The *Three Little Pigs*. In this lesson, students will develop an algorithm, or a step-by-step **sequence** of instructions, for building a house made out of bricks.


Little Pig Algorithm

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

Locating the Center of the Universe Using Globular Clusters

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using Mirrors in the Garden: Measuring Light Reflection

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

Break a Ruler Using Newspaper and Atmospheric Pressure

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Creating a Compound Machine Using Simple Machines

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

How Much Can One Family Reduce Their Garbage?

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Comparing Different Methods of Assessing Turbidity

This science fair project idea  examines the actual cost of three household light bulbs by testing energy consumption.

Shedding Light on Energy Efficient Bulbs

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

3-D Model of the Sun

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Seed Storage Study

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

How do Crystals Form?

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Sorting Out the Scientific Method #3

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for &ldquo;something that will improve the school.&rdquo;

Design Challenge: Improve the School

Introduce students to the third step of the engineering design process with this helpful template!

Engineering Design Process Part 3: Test Your Solution

With your experiment data and analysis in hand, it&rsquo;s time to draw your conclusions!

Design an Experiment Part 3: Draw a Conclusion

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Measuring Sugar in Fruit Using a Refractometer

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Relighting a Candle - Without Using the Wick!

This experiment investigates whether smell can be used to enhance test subjects' memories.

Using Smell to Enhance Memory

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Can You Cook Using Only Sunlight?

In this project students experiment with making music using only glasses of water.

Musical Glasses

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Teacher Resources

Teacher Editions

Resource Type

Birthdays

Women's History Month

St. Patrick's Day

Ramadan

Passover

Spring

Easter

Earth Day

Cinco de Mayo

Mother's Day

Memorial Day

Asian Pacific American Heritage Month

Graduation

Summer

Summer Packets

Father's Day

Independence Day

Back to School

Labor Day

Fall

Hispanic Heritage Month

Halloween

Dia de los Muertos

Veterans Day

Thanksgiving

New Year

Martin Luther King Jr. Day

Lunar New Year

Valentine's Day

Presidents' Day

Black History Month

Occasion

Common Core

Mazes

Dot to Dot

Ball Games

Crossword

Fitness & Exercise

Group Games

Memory Games

Outdoor Games

Printable Board Games

Puzzles & Sudoku

Scavenger Hunt

Travel Games

Word Puzzles

Game Type

Fabric Projects

Beads & Jewelry

Paper & Glue Crafts

Construction & Sculpture

Painting & Drawing

Recycled Crafts

Coloring

Snacks

Mains

Sides

Dessert

Recipes

English Language Support

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Grade Level