SKIP TO CONTENT
Worksheet Generator
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
Subjects
Grades
Worksheets
Games
Build a Worksheet
More Resources
Roly Recommends
All Subjects
Science
Subtopics:
Physical Science
Life Science
Earth and Space Science
Engineering and Science Inquiry
Show Less
Filters
Search for: adding, subtracting, unlike
✕
Science
✕
Elementary School
✕
Subjects
Math
English Language Arts
Science
Social Studies
Foreign Language
Grade Level
Pre-K
K
1st
2nd
3rd
4th
5th
6th
7th
8th
Early Childhood
Elementary School
Middle School
Resource Type
Worksheets
Lesson Plans
Activities
Occasion
Spring
Easter
Earth Day
Summer
Father's Day
Halloween
Winter
Holidays
Common Core
Yes
Arts & Crafts
Arts & Crafts
Paper & Glue Crafts
Construction & Sculpture
Painting & Drawing
Recycled Crafts
Coloring
Yes
Recipes
Snacks
See More
Clear All
View 135 results
Showing Results for adding subtracting unlike : Page 4
135 results
Search for: adding, subtracting, unlike
✕
Science
✕
Elementary School
✕
Clear All
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
135 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine
Third Grade
Engineering and Science Inquiry
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Activity
Design Challenge: Make a Rube Goldberg Machine
Activity
Design Challenge: Make a Rube Goldberg Machine
In this hands-on design challenge your child will make their very own Rube Goldberg Machine.
Third Grade
Engineering and Science Inquiry
Activity
The Three Types Of Rocks!
Lesson Plan
The Three Types Of Rocks!
Fifth Grade
Earth and Space Science
Teach your students about different types of rocks and how they're formed, using objects that your class is familiar with.
Lesson Plan
The Three Types Of Rocks!
Lesson Plan
The Three Types Of Rocks!
Teach your students about different types of rocks and how they're formed, using objects that your class is familiar with.
Fifth Grade
Earth and Space Science
Lesson Plan
Can You Keep a Secret?
Activity
Can You Keep a Secret?
Kindergarten
Engineering and Science Inquiry
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Activity
Can You Keep a Secret?
Activity
Can You Keep a Secret?
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Kindergarten
Engineering and Science Inquiry
Activity
Speedy Shoes
Activity
Speedy Shoes
Fifth Grade
Writing
Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.
Activity
Speedy Shoes
Activity
Speedy Shoes
Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.
Fifth Grade
Writing
Activity
Cooking Oil Smoke Points
Activity
Cooking Oil Smoke Points
Fifth Grade
Measurement
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Activity
Cooking Oil Smoke Points
Activity
Cooking Oil Smoke Points
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Fifth Grade
Measurement
Activity
Cold Desert Plants
Activity
Cold Desert Plants
Third Grade
Engineering and Science Inquiry
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Activity
Cold Desert Plants
Activity
Cold Desert Plants
Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.
Third Grade
Engineering and Science Inquiry
Activity
Take the Paper Plate Snack Test!
Activity
Take the Paper Plate Snack Test!
First Grade
Physical Science
Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.
Activity
Take the Paper Plate Snack Test!
Activity
Take the Paper Plate Snack Test!
Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.
First Grade
Physical Science
Activity
Learning Why and How to Compost
Activity
Learning Why and How to Compost
Second Grade
Earth and Space Science
Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.
Activity
Learning Why and How to Compost
Activity
Learning Why and How to Compost
Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.
Second Grade
Earth and Space Science
Activity
Explore Color Science with Grape Juice
Activity
Explore Color Science with Grape Juice
First Grade
Physical Science
Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.
Activity
Explore Color Science with Grape Juice
Activity
Explore Color Science with Grape Juice
Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.
First Grade
Physical Science
Activity
Cleaning With Lemon Experiment
Activity
Cleaning With Lemon Experiment
Fourth Grade
Engineering and Science Inquiry
Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.
Activity
Cleaning With Lemon Experiment
Activity
Cleaning With Lemon Experiment
Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.
Fourth Grade
Engineering and Science Inquiry
Activity
Water Soluble Science
Lesson Plan
Water Soluble Science
First Grade
Physical Science
Your students will enjoy this hands on lesson where they make simple solutions and mixtures. They will have an opportunity to predict and observe solids that dissolve in water.
Lesson Plan
Water Soluble Science
Lesson Plan
Water Soluble Science
Your students will enjoy this hands on lesson where they make simple solutions and mixtures. They will have an opportunity to predict and observe solids that dissolve in water.
First Grade
Physical Science
Lesson Plan
If Starch is Composed of Sugar Why Isn't Starch Sweet?
Activity
If Starch is Composed of Sugar Why Isn't Starch Sweet?
Fifth Grade
Engineering and Science Inquiry
This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.
Activity
If Starch is Composed of Sugar Why Isn't Starch Sweet?
Activity
If Starch is Composed of Sugar Why Isn't Starch Sweet?
This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.
Fifth Grade
Engineering and Science Inquiry
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Fourth Grade
Engineering and Science Inquiry
Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Activity
Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?
Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.
Fourth Grade
Engineering and Science Inquiry
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Second Grade
Engineering and Science Inquiry
In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
Activity
Magnet Experiment: Are Two Magnets Twice as Strong as One?
In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.
Second Grade
Engineering and Science Inquiry
Activity
Supercooled Water
Activity
Supercooled Water
Fifth Grade
Measurement
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Activity
Supercooled Water
Activity
Supercooled Water
Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.
Fifth Grade
Measurement
Activity
How Do Heat and Pressure Create Metamorphic Rocks?
Activity
How Do Heat and Pressure Create Metamorphic Rocks?
Fifth Grade
Engineering and Science Inquiry
In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.
Activity
How Do Heat and Pressure Create Metamorphic Rocks?
Activity
How Do Heat and Pressure Create Metamorphic Rocks?
In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.
Fifth Grade
Engineering and Science Inquiry
Activity
Create a Clay Garden Relief Sculpture
Activity
Create a Clay Garden Relief Sculpture
First Grade
Earth and Space Science
Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.
Activity
Create a Clay Garden Relief Sculpture
Activity
Create a Clay Garden Relief Sculpture
Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.
First Grade
Earth and Space Science
Activity
Making Sugar Crystals
Activity
Making Sugar Crystals
Fifth Grade
Engineering and Science Inquiry
Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.
Activity
Making Sugar Crystals
Activity
Making Sugar Crystals
Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.
Fifth Grade
Engineering and Science Inquiry
Activity
Little Pig Algorithm
Lesson Plan
Little Pig Algorithm
Kindergarten
Engineering and Science Inquiry
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.
Lesson Plan
Little Pig Algorithm
Lesson Plan
Little Pig Algorithm
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.
Kindergarten
Engineering and Science Inquiry
Lesson Plan
How Do Oil Spills Affect the Environment?
Activity
How Do Oil Spills Affect the Environment?
Fifth Grade
Engineering and Science Inquiry
You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.
Activity
How Do Oil Spills Affect the Environment?
Activity
How Do Oil Spills Affect the Environment?
You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.
Fifth Grade
Engineering and Science Inquiry
Activity
Six Degrees of Separation
Activity
Six Degrees of Separation
Fifth Grade
Engineering and Science Inquiry
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Activity
Six Degrees of Separation
Activity
Six Degrees of Separation
Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.
Fifth Grade
Engineering and Science Inquiry
Activity
Got Water? How the Water Cycle Works
Lesson Plan
Got Water? How the Water Cycle Works
Third Grade
Earth and Space Science
Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.
Lesson Plan
Got Water? How the Water Cycle Works
Lesson Plan
Got Water? How the Water Cycle Works
Come on in, the water’s fun! In this activity, students see the water cycle in action with ordinary objects and learn the water the dinosaurs tasted is still around.
Third Grade
Earth and Space Science
Lesson Plan
Earthworms and Plant Growth - Are They Related?
Activity
Earthworms and Plant Growth - Are They Related?
First Grade
Engineering and Science Inquiry
Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?
Activity
Earthworms and Plant Growth - Are They Related?
Activity
Earthworms and Plant Growth - Are They Related?
Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?
First Grade
Engineering and Science Inquiry
Activity
Magnet Science Fair Project: How to Measure the Strength of a Magnet
Activity
Magnet Science Fair Project: How to Measure the Strength of a Magnet
Third Grade
Engineering and Science Inquiry
Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.
Activity
Magnet Science Fair Project: How to Measure the Strength of a Magnet
Activity
Magnet Science Fair Project: How to Measure the Strength of a Magnet
Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.
Third Grade
Engineering and Science Inquiry
Activity
Energy Efficient Windows
Activity
Energy Efficient Windows
Fifth Grade
Measurement
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Activity
Energy Efficient Windows
Activity
Energy Efficient Windows
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Fifth Grade
Measurement
Activity
Bridge Project
Activity
Bridge Project
Fourth Grade
Engineering and Science Inquiry
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Activity
Bridge Project
Activity
Bridge Project
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Fourth Grade
Engineering and Science Inquiry
Activity
Yeast Growth
Activity
Yeast Growth
Fifth Grade
Engineering and Science Inquiry
This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.
Activity
Yeast Growth
Activity
Yeast Growth
This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.
Fifth Grade
Engineering and Science Inquiry
Activity
Crystal Wonderland
Activity
Crystal Wonderland
First Grade
Measurement
The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.
Activity
Crystal Wonderland
Activity
Crystal Wonderland
The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.
First Grade
Measurement
Activity
Chemical Indicators
Activity
Chemical Indicators
Fourth Grade
Engineering and Science Inquiry
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Activity
Chemical Indicators
Activity
Chemical Indicators
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Fourth Grade
Engineering and Science Inquiry
Activity
Growing Crystals
Activity
Growing Crystals
Fifth Grade
Measurement
Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.
Activity
Growing Crystals
Activity
Growing Crystals
Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.
Fifth Grade
Measurement
Activity
1
2
3
4
5