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
Engineering and Science Inquiry
Subtopics:
Engineering Design
Science Projects
✕
The Scientific Method
Lab Safety and Equipment
Observations and Data Collection
Show Less
Filters
Search for: two, digit, addition, using
✕
Science
✕
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
Activities
Occasion
Earth Day
Holidays
See More
Clear All
View 1,270 results
Showing Results for two digit addition using : Page 28
1,270 results
Search for: two, digit, addition, using
✕
Science
✕
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
All filters
1,270 results
Sort by:
Relevance
Most recent
Most popular
Alphabetical A-Z
Alphabetical Z-A
What Does the History of Writing Materials Tell Us about Their Future?
Activity
What Does the History of Writing Materials Tell Us about Their Future?
Engineering and Science Inquiry
Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.
Activity
What Does the History of Writing Materials Tell Us about Their Future?
Activity
What Does the History of Writing Materials Tell Us about Their Future?
Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.
Engineering and Science Inquiry
Activity
Vitamins In Your Juice
Activity
Vitamins In Your Juice
Engineering and Science Inquiry
Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C
Activity
Vitamins In Your Juice
Activity
Vitamins In Your Juice
Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C
Engineering and Science Inquiry
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Fourth Grade
Engineering and Science Inquiry
How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
Activity
Potato Chip Science: How Greasy Are Your Potato Chips?
How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.
Fourth Grade
Engineering and Science Inquiry
Activity
Queenstown Creek: Land Use Vs. Water Quality
Activity
Queenstown Creek: Land Use Vs. Water Quality
Engineering and Science Inquiry
This project researches whether the type of land use affects the water quality of Queenstown Creek.
Activity
Queenstown Creek: Land Use Vs. Water Quality
Activity
Queenstown Creek: Land Use Vs. Water Quality
This project researches whether the type of land use affects the water quality of Queenstown Creek.
Engineering and Science Inquiry
Activity
Be a Detective! Is it a Physical or a Chemical Change?
Activity
Be a Detective! Is it a Physical or a Chemical Change?
Engineering and Science Inquiry
Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.
Activity
Be a Detective! Is it a Physical or a Chemical Change?
Activity
Be a Detective! Is it a Physical or a Chemical Change?
Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.
Engineering and Science Inquiry
Activity
An Electrical Chemical Machine
Activity
An Electrical Chemical Machine
Engineering and Science Inquiry
Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.
Activity
An Electrical Chemical Machine
Activity
An Electrical Chemical Machine
Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.
Engineering and Science Inquiry
Activity
How Earth's Wobble Affects the Rotation of Earth?
Activity
How Earth's Wobble Affects the Rotation of Earth?
Engineering and Science Inquiry
The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.
Activity
How Earth's Wobble Affects the Rotation of Earth?
Activity
How Earth's Wobble Affects the Rotation of Earth?
The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.
Engineering and Science Inquiry
Activity
Candy pH
Activity
Candy pH
Fourth Grade
Engineering and Science Inquiry
Take a dive into the candy jar with this yummy science experiment.
Activity
Candy pH
Activity
Candy pH
Take a dive into the candy jar with this yummy science experiment.
Fourth Grade
Engineering and Science Inquiry
Activity
How to Demagnetize a Magnet
Activity
How to Demagnetize a Magnet
Fourth Grade
Engineering and Science Inquiry
Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.
Activity
How to Demagnetize a Magnet
Activity
How to Demagnetize a Magnet
Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.
Fourth Grade
Engineering and Science Inquiry
Activity
Where Did the Ladybug Get Her Spots?
Activity
Where Did the Ladybug Get Her Spots?
Second Grade
Engineering and Science Inquiry
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Activity
Where Did the Ladybug Get Her Spots?
Activity
Where Did the Ladybug Get Her Spots?
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Second Grade
Engineering and Science Inquiry
Activity
Build a Paper Circuit
Activity
Build a Paper Circuit
Engineering and Science Inquiry
In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.
Activity
Build a Paper Circuit
Activity
Build a Paper Circuit
In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.
Engineering and Science Inquiry
Activity
Measure Twice!
Activity
Measure Twice!
Engineering and Science Inquiry
Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.
Activity
Measure Twice!
Activity
Measure Twice!
Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.
Engineering and Science Inquiry
Activity
Bird Space
Activity
Bird Space
Third Grade
Engineering and Science Inquiry
Discover flight initiation distance as you play around in the park with this fun bird watching project!
Activity
Bird Space
Activity
Bird Space
Discover flight initiation distance as you play around in the park with this fun bird watching project!
Third Grade
Engineering and Science Inquiry
Activity
3-D Model of the Sun
Activity
3-D Model of the Sun
Fifth Grade
Ratios and Proportions
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.
Activity
3-D Model of the Sun
Activity
3-D Model of the Sun
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.
Fifth Grade
Ratios and Proportions
Activity
Reusable Candle
Activity
Reusable Candle
Engineering and Science Inquiry
In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.
Activity
Reusable Candle
Activity
Reusable Candle
In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.
Engineering and Science Inquiry
Activity
How Do Breathing Exercises Affect Pulse Rate and Blood Pressure
Activity
How Do Breathing Exercises Affect Pulse Rate and Blood Pressure
Engineering and Science Inquiry
Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.
Activity
How Do Breathing Exercises Affect Pulse Rate and Blood Pressure
Activity
How Do Breathing Exercises Affect Pulse Rate and Blood Pressure
Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.
Engineering and Science Inquiry
Activity
Free Falling
Activity
Free Falling
Engineering and Science Inquiry
Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.
Activity
Free Falling
Activity
Free Falling
Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.
Engineering and Science Inquiry
Activity
How do Natural and Synthetic Dyes Interact with Natural and Synthetic Fabrics?
Activity
How do Natural and Synthetic Dyes Interact with Natural and Synthetic Fabrics?
Engineering and Science Inquiry
Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.
Activity
How do Natural and Synthetic Dyes Interact with Natural and Synthetic Fabrics?
Activity
How do Natural and Synthetic Dyes Interact with Natural and Synthetic Fabrics?
Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.
Engineering and Science Inquiry
Activity
Simple Machines
Activity
Simple Machines
Fourth Grade
Engineering and Science Inquiry
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Activity
Simple Machines
Activity
Simple Machines
In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.
Fourth Grade
Engineering and Science Inquiry
Activity
Which Exercise Gives Your Heart and Muscles the Best Workout?
Activity
Which Exercise Gives Your Heart and Muscles the Best Workout?
Measurement
Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.
Activity
Which Exercise Gives Your Heart and Muscles the Best Workout?
Activity
Which Exercise Gives Your Heart and Muscles the Best Workout?
Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.
Measurement
Activity
Plants and Soil Acidity
Activity
Plants and Soil Acidity
Engineering and Science Inquiry
This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Activity
Plants and Soil Acidity
Activity
Plants and Soil Acidity
This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.
Engineering and Science Inquiry
Activity
When Seeds Explode
Activity
When Seeds Explode
Third Grade
Engineering and Science Inquiry
In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.
Activity
When Seeds Explode
Activity
When Seeds Explode
In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.
Third Grade
Engineering and Science Inquiry
Activity
Cuteness Factor: How do we perceive cute?
Activity
Cuteness Factor: How do we perceive cute?
Engineering and Science Inquiry
This science fair project idea compares the cuteness reaction between genders.
Activity
Cuteness Factor: How do we perceive cute?
Activity
Cuteness Factor: How do we perceive cute?
This science fair project idea compares the cuteness reaction between genders.
Engineering and Science Inquiry
Activity
Stars In The Sky
Activity
Stars In The Sky
Fourth Grade
Engineering and Science Inquiry
This science fair project investigates why the number of visible stars changes from place to place.
Activity
Stars In The Sky
Activity
Stars In The Sky
This science fair project investigates why the number of visible stars changes from place to place.
Fourth Grade
Engineering and Science Inquiry
Activity
Soil Composition
Activity
Soil Composition
Engineering and Science Inquiry
In this experiment you will use plastic and magnets to test your local soil composition.
Activity
Soil Composition
Activity
Soil Composition
In this experiment you will use plastic and magnets to test your local soil composition.
Engineering and Science Inquiry
Activity
How Does Light Affect Yeast?
Activity
How Does Light Affect Yeast?
Engineering and Science Inquiry
This experiment will determine how different kinds of light affects the strength of bakerâs yeast.
Activity
How Does Light Affect Yeast?
Activity
How Does Light Affect Yeast?
This experiment will determine how different kinds of light affects the strength of bakerâs yeast.
Engineering and Science Inquiry
Activity
Leaf Pigments
Activity
Leaf Pigments
Engineering and Science Inquiry
Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?
Activity
Leaf Pigments
Activity
Leaf Pigments
Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?
Engineering and Science Inquiry
Activity
Ethanol Alcohol and its Effects on Gasoline
Activity
Ethanol Alcohol and its Effects on Gasoline
Engineering and Science Inquiry
The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.
Activity
Ethanol Alcohol and its Effects on Gasoline
Activity
Ethanol Alcohol and its Effects on Gasoline
The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.
Engineering and Science Inquiry
Activity
Dishing Out the Colors
Activity
Dishing Out the Colors
Kindergarten
Engineering and Science Inquiry
Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.
Activity
Dishing Out the Colors
Activity
Dishing Out the Colors
Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.
Kindergarten
Engineering and Science Inquiry
Activity
Intuitive Elements
Activity
Intuitive Elements
Engineering and Science Inquiry
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
Activity
Intuitive Elements
Activity
Intuitive Elements
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
Engineering and Science Inquiry
Activity
1
…
27
28
29
…
43