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Showing Results for adding subtracting

Practice adding and subtracting mixed customary units with this helpful measurement worksheet!

Add and Subtract Mixed Customary Units

Use your knowledge of subtraction and units of measurement to solve real-world problems involving length!

Subtracting Lengths

Brr! The temperature is dropping on this word problem worksheet. Can you figure out the final temperature by reading a thermometer and subtracting the degrees?

Thermometer Subtraction

Make math learning fun by adding some creativity to the mix. Kids boost measurement skills as they draw pictures comparing quantity and size.

Comparing Quantity and Size

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Does Adding Salt to Pasta make it Cook Faster?

Practicing subtraction using a thermometer for a number line makes math fun! In this lesson, your students will get more comfortable with subtracting two digit numbers.

Thermometer Subtraction: Number Line Adventures

This science fair project idea examines whether adding gelatin causes a solid  to have a higher melting point and/or melt slower.

Does Gelatin Slow Down the Melting of Freezer Pops? 

Lengthen your learners&#39; addition and subtraction skills using number line models and real-world scenarios!

Add and Subtract Lengths With Number Lines #1

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Build an Architectural School Model

Enjoy birthday cheer any day with this colorful second-grade worksheet!

Measurement: Birthday Fun

Apply mathematics to bike rides, haircuts, and crafts with these measurement word problems, created for second graders!

Measurement Word Problems: Length

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Floating Balloons

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Why Do Plants Wilt?

Science fair project that examines condensation and the conditions needed in order for dew to form.

Dew Point, Humidity and Weather

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Pumpkin Cookies

Teach your students to find the perimeter of polygons using real world examples. They will make polygon pictures using tangrams and practice finding the perimeters of the polygons in their masterpieces.

Polygon Perimeters with Tantalizing Tangrams!

Make this delicious warm apple bread for Hanukkah.

Apple Bread

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

Slide It

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Pfeffernusse

Spider cupcakes are creepy-crawly treats that are perfect for Halloween. These spider cupcakes make for a great Halloween party treat.

Spider Cupcakes

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Heat Convection in Liquids

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Cooking Oil Smoke Points

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Supercooled Water

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Energy Efficient Windows

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Size Up Your Stuffed Animal: A Measurement Activity

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.

Crystal Wonderland

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Growing Crystals

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Evolution of Gas from Yeast

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