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IXL | Add and subtract decimals: word problems | 5th grade math

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Improve your math knowledge with free questions in "Add and subtract decimals: word problems" and thousands of other math skills.

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IXL | Weather or climate? Cite text | 5th grade science

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Improve your science knowledge with free questions in "Weather or climate? Cite text" and thousands of other science skills.

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Required for BB

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15 Minutes

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IXL is here to help you grow, with immersive learning, insights into progress, and targeted recommendations for next steps. Practice thousands of math, language arts, and science skills at school, at home, and on the go! Remember to bookmark this page so you can easily return. To get started: 1.

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We're asked to multiply 32.12, or 32 and 12 hundredths, times 0.5, or just 5 tenths. Now when you multiply decimals, you multiply them the exact same way you would multiply whole numbers, and then you count the number of spaces behind the decimal you have in your two numbers you're multiplying, and you're going to have that many spaces in your product. Let me show you what I'm talking about. So let's just multiply these two characters. So we have 32.12 times 0.5. And when you write them out, you can just push both of them all the way to the right. You could almost ignore the decimal. Right now, you should write the decimal where they belong, but you can almost pretend that this is 3,212 times 5, and then we'll worry about the decimals in a second. So let's get started. So if we were just multiplying 5 times 3,212, we would say, well, 5 times 2 is 10. Regroup the 1. 5 times 1 is 5, plus 1 is 6. 5 times 2 is 10. Regroup the 1. And then finally, you have 5 times 3 is 15, plus 1 is 16. And then we don't have any other places. If we were just doing this as 05, we wouldn't multiply 0 times this whole thing. We would just get 0 anyway. So just 5 times 3,212 gives us this number. But now we want to care about the decimals. We just have to count the total number of spaces or places we have behind the decimal point in the two numbers we're multiplying. So we have one, two, three spaces, or three numbers, to the right of the decimals in the two numbers that we're multiplying. So we need that many numbers to the right of the decimal in our answer. So we go one, two, three, put the decimal right over there. So 32.12 times 0.5 is 16.060. And this trailing zero right here we can ignore, because it's really not adding any information there. So we could just write this as 16.06. The last thing you want to do is just make sure that this makes sense. You have a number that's almost 32, and we're multiplying it by 0.5. Remember, 0.5 is the same thing as 5 over 10, which is the same thing as 1/2. So we're really multiplying 32.12 times 1/2. We're trying to figure out what one half of 32.12 is. And half of 32 is 16, and half of 0.12 0.06, so this makes complete sense.

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Multiplying decimals example (video) | Khan Academy

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Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

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Compare and contrast weather and climate using a graphic organizer (provided in the one note). Use this website as a resource, you can also use kiddle.co for additional research.

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National Centers for Environmental Information (NCEI)

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Take a moment and think about the weather today where you are. Is it normal or typical? Is it what you'd expect? If it's been cool the past few days but the temperature is climbing today, is that weather or climate? Are weather and climate the same thing? Though they are closely related, weather and climate aren't the same thing. Climate is what you expect. Weather is what actually happens.

What exactly is weather?

More specifically, weather is the mix of events that happen each day in our atmosphere. Even though there's only one atmosphere on Earth, the weather isn't the same all around the world. Weather is different in different parts of the world and changes over minutes, hours, days, and weeks.

Most weather happens in the part of Earth's atmosphere that is closest to the ground-called the troposphere. And, there are many different factors that can change the atmosphere in a certain area like air pressure, temperature, humidity, wind speed and direction, and lots of other things. Together, they determine what the weather is like at a given time and location.

What exactly is climate?

Whereas weather refers to short-term changes in the atmosphere, climate describes what the weather is like over a long period of time in a specific area. Different regions can have different climates. To describe the climate of a place, we might say what the temperatures are like during different seasons, how windy it usually is, or how much rain or snow typically falls.

When scientists talk about climate, they're often looking at averages of precipitation, temperature, humidity, sunshine, wind, and other measures of weather that occur over a long period in a particular place. In some instances, they might look at these averages over 30 years. And, we refer to these three-decade averages of weather observations as Climate Normals.

Looking at Climate Normals can help us describe whether the summers are hot and humid and whether the winters are cold and snowy at a particular place. They can also tell us when we might expect the warmest day of the year or the coldest day of the year at that location. But, while descriptions of an area's climate provide a sense of what to expect, they don't provide any specific details about what the weather will be on any given day.

Here's one way to visualize it. Weather tells you what to wear each day. Climate tells you what types of clothes to have in your closet.

How do weather observations become climate data?

Across the globe, observers and automated stations measure weather conditions at thousands of locations every day of the year. Some observations are made hourly, others just once a day. Over time, these weather observations allow us to quantify long-term average conditions, which provide insight into an area's climate.

In many locations around the United States, systematic weather records have been kept for over 140 years. With these long-term records, we can detect patterns and trends. And, as the Nation's official archive for environmental data, it's our job to collect, quality control, and organize these data and make them available online for scientists, decision makers, and you.

Are regional climates different from the global climate?

Like the United States, different regions of the world have varying climates. But, we can also describe the climate of an entire planet-referred to as the Global climate is a description of the climate of a planet as a whole, with global climate. all the regional differences averaged. Overall, global climate depends on the amount of energy received by the sun and the amount of energy that is trapped in the system. And, these amounts are different for different planets. Scientists who study Earth's climate look at the factors that affect our planet as a whole.

How does the climate change?

While the weather can change in just a few minutes or hours, climate changes over longer time frames. Climate events, like El Niño, happen over several years, with larger fluctuations happening over decades. And, even larger climate changes happen over hundreds and thousands of years.

Today, climates are changing. Our Earth is warming more quickly than it has in the past according to the research of scientists. Hot summer days may be quite typical of climates in many regions of the world, but warming is causing Earth's average global temperature to increase. The amount of solar radiation, the chemistry of the atmosphere, clouds, and the biosphere all affect Earth's climate.

As global climate changes, weather patterns are changing as well. While it's impossible to say whether a particular day's weather was affected by climate change, it is possible to predict how patterns might change. For example, scientists predict more extreme weather events as Earth's climate warms.

Why do we study climate?

Climate, climate change, and their impacts on weather events affect people all around the world. Rising global temperatures are expected to further raise sea levels and change precipitation patterns and other local climate conditions. Changing regional climates could alter forests, crop yields, and water supplies. They could also affect human health, animals, and many types of ecosystems. Deserts may expand into existing rangelands, and features of some of our National Parks and National Forests may be permanently altered.

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What's the Difference Between Weather and Climate?

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Take a moment and think about the weather today where you are. Is it normal or typical? Is it what you'd expect? If it's been cool the past few days but the temperature is climbing today, is that weather or climate? Are weather and climate the same thing?

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Upload a picture of your water cycle as evidence, and LABEL the parts of the water cycle.

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Do your kids ask you why it rains? Or maybe how clouds happen? Spend an afternoon teaching them with this easy to do science experiment where you and your kids will make a water cycle in a bag!

This is also a great activity for elementary science classes. Imagine your window covered in your student's shimmering water cycle experiments!

Follow these simple, step-by-step directions to create something fun (and educational) with your kids today.

Watch this video to see how it's done:

Step 1: What You'll Need

You need just a few common household items to create your water cycle display:

Step 2: Decorate the Bag

Before you do anything else, decorate your bag!

Use your permenant marker (washable markers will wash right off) to draw a sky in the upper half of your plastic bag. Include clouds and the sun, as they are important elements to the water cycle.

Step 3: Prepare the Water

Next, fill a cup with regular tap water. Then add a couple of drops of blue food coloring to it to make it stand out. Swirl the cup of water a few times to mix the coloring until it's a nice, solid blue.

Now, carefully pour the water into the plastic bag and zip it closed. Make sure it's nice and tight! You don't want any water to be able to escape.

Step 4: Hang Up the Bag

Once your water has been added to the bag and it's sealed up, it's time to hang it up on a window! Pick a window that gets a lot of sunshine for best results. Cut two long pieces of tape and stick them to the corners of your bag. Then, press the tape tightly to the window - you don't want your bag to fall down!

Step 5: Wait and Observe

Wait a couple of hours and check on your experiment. You should see a change in your bag between two hours and 1 day (depending on the amount of sun and the time of day you started).

Eventually, you will begin to see droplets of water sticking to the side of the bag. Some of these will be up high (in the clouds) while other droplets will be on their way back down (like rain).

Why is this happening? It's because the water in the bag is being heated up against the sunny window. That water turns into a gas through the process called evaporation. In nature, evaporated water vapor goes into the atmosphere, but in our bag, it has nowhere to go, so it ends up sticking to the sides of the bag, turning back into a liquid as condensation. That condensed water then slides back into the pool of water below as "rain".

Keep checking back on your experiment a few times a day, or anytime it's sunny to see the water cycle progress!

With some simple materials and a weekend afternoon, you and your kids can have a great time learning about the water cycle together.

If you enjoyed making your Water Cycle in a Bag, try our other Building Up STEAM activities and experiments!

Colors and Chemicals

If you have curious little ones running around the house, or are looking for a fun activity for your lower elementary kids, this is a great way to spend an afternoon they'll ask to do again and again. It's a simple "baking soda and vinegar" experiment, but with an artistic twist!

Homemade Hovercraft

With just a few common items, in under a half-hour you could have a desktop-sized hovercraft zipping all over the place! It's great for a science project, a classroom demonstration, or a rainy day.

Pencil Poke Trick

Learn how you can run a sharpened pencil all the way through a plastic bag filled with water without spilling a drop. All you need are some sharpened pencils, a plastic bag filled with water, and our secret technique!

Levitating Ping Pong Ball

Perform the impossible when you make an ordinary ping pong ball float in mid-air! Learn how to do this super cool science feat in just a few minutes.

Water Density Rainbow

Visually learn about water density with this easy-to-do experiment with beautiful results. By "stacking" sugar water of varying densities in a test tube you can create a stunning display of science in action.

DIY Ice Cream

With just a few ingredients and our technique, you'll be scooping up your own frosty treats in no time. Science never tasted so good!

About Mobile Ed Productions:
Mobile Ed Productions, Inc. has been in business since 1979, producing educational, entertaining school assemblies and hands-on workshops. Based out of Michigan, the company creates, designs, markets and distributes innovative ways to make learning fun in the form of live presentations and interactive exhibits.

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How to Make a Water Cycle in a Bag | STEAM Activity for Kids

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Do your kids ask you why it rains? Or maybe how clouds happen? Spend an afternoon teaching them with this easy to do science experiment where you and your kids will make a water cycle in a bag! This is also a great activity for elementary science classes.

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Create a poster explaining how to add/subtract decimals!

Our favorite poster will be displayed on our one note!

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Create math questions involving decimals. It might even be used in class!