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Sir Roundalot | Rounding & Estimating to the Nearest 10 & 100 | Sums and Differences

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Find the box that shows the correct rounded number.

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Pop Penguin and the Place Value Race | MathPlayground.com

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Play Pop Penguin and the Place Value Race at MathPlayground.com! Solve number and place value puzzles to win the game.

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ABCya!

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Can you help the monster truck reach the goal? Place the missing numbers in the correct spot to complete the pattern and help the truck get across!

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ABCya!

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Looking for a super fun way to learn base ten block counting? Try ABCya's Base Ten Bingo! Choose between ones, tens, hundreds or thousands units (or all of the above). Then play BINGO! Can you collect all 20 Bingo Bugs?

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ABCya!

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ABCya! * Base Ten Fun - Learning Place Value

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Base Ten Fun helps kids understand place value, addition and subtraction through the use of virtual manipulatives. Kids can choose a game mode depending on their desired level of difficulty, and also select place value options of ones, tens and hundreds. As a fun bonus, children can select different snake styles when they answer 10 questions correctly!

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Practice Writing Numbers in Expanded Form

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Practice Writing Numbers in Expanded Form

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Khan Academy

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Practice reading and writing numbers written in expanded form. Example: The expanded form of 376 is 300 + 70 + 6.

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Video: Writing a Number in Expanded Form

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Video: Writing a Number in Expanded Form

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Khan Academy

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Write 14,897 in expanded form. Let me just rewrite the number, and I'll color code it, and that way, we can keep track of our digits. So we have 14,000. I don't have to write it-- well, let me write it that big. 14,000, 800, and 97-- I already used the blue; maybe I should use yellow-- in expanded form. So let's think about what place each of these digits are in. This right here, the 7, is in the ones place. The 9 is in the tens place. This literally represents 9 tens, and we're going to see this in a second. This literally represents 7 ones. The 8 is in the hundreds place. The 4 is in the thousands place. It literally represents 4,000. And then the 1 is in the ten-thousands place. And you see, every time you move to the left, you move one place to the left, you're multiplying by 10. Ones place, tens place, hundreds place, thousands place, ten-thousands place. Now let's think about what that really means. If this 1 is in the ten-thousands place, that means that it literally represents-- I want to do this in a way that my arrows don't get mixed up. Actually, let me start at the other end. Let me start with what the 7 represents. The 7 literally represents 7 ones. Or another way to think about it, you could say it represents 7 times 1. All of these are equivalent. They represent 7 ones. Now let's think about the 9. That's why I'm doing it from the right, so that the arrows don't have to cross each other. So what does the 9 represent? It represents 9 tens. You could literally imagine you have 9 actual tens. You could have a 10, plus a 10, plus a 10. Do that nine times. That's literally what it represents: 9 actual tens. 9 tens, or you could say it's the same thing as 9 times 10, or 90, either way you want to think about it. So let me write all the different ways to think about it. It represents all of these things: 9 tens, or 9 times 10, or 90. So then we have our 8. Our 8 represents-- we see it's in the hundreds place. It represents 8 hundreds. Or you could view that as being equivalent to 8 times 100-- a hundred, not a thousand-- 8 times 100, or 800. That 8 literally represents 8 hundreds, 800. And then the 4. I think you get the idea here. This represents the thousands place. It represents 4 thousands, which is the same thing as 4 times 1,000, which is the same thing as 4,000. 4,000 is the same thing as 4 thousands. Add it up. And then finally, we have this 1, which is sitting in the ten-thousands place, so it literally represents 1 ten-thousand. You can imagine if these were chips, kind of poker chips, that would represent one of the blue poker chips and each blue poker chip represents 10,000. I don't know if that helps you or not. And 1 ten-thousand is the same thing as 1 times 10,000 which is the same thing as 10,000. So when they ask us to write it in expanded form, we could write 14,897 literally as the sum of these numbers, of its components, or we could write it as the sum of these numbers. Actually, let me write this. This top 7 times 1 is just equal to 7. So 14,897 is the same thing as 10,000 plus 4,000 plus 800 plus 90 plus 7. So you could consider this expanded form, or you could use this version of it, or you could say this the same thing as 1 times 10,000, depending on what people consider to be expanded form-- plus 4 times 1,000 plus 8 times 100 plus 9 times 10 plus 7 times 1. I'll scroll to the right a little bit. So either of these could be considered expanded form.

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Writing a number in expanded form (video) | Khan Academy

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Write 14,897 in expanded form. Let me just rewrite the number, and I'll color code it, and that way, we can keep track of our digits. So we have 14,000. I don't have to write it-- well, let me write it that big.

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Khan Academy

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Identify value of a digit (practice) | Khan Academy

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Khan Academy

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Video transcript

find the place value of 3 in 4356 now whenever I think about place value and the more you do practice problems on this will become a little bit of second nature but whenever I see a problem like this I like to expand out what 4356 really is so let me rewrite the number so if I were to write and I'll write it in different colors so 4356 is equal to and just think about how I just set it it is equal to four thousand four thousand plus 300 + 300 + 50 + 50 + six and you could come up with that just based on how we set it 4356 now another way to think about this is this is just like saying this is for thousands for thousands for thousands plus or you could even think of end so plus three hundreds three hundreds plus fifty you could think of it as five tens five tens plus six and instead of six we could say plus six ones plus six ones and so if we go back to the original number 4356 this is the same thing as four I'll write it down for let me see how well I can I'll write it up write this this is the same thing as four thousands for thousands three hundred three hundred five tens five tens and then six ones so when they ask what is the place value of 3 in 4356 we're concerned with this 3 right here and its place value it's in the hundreds place if there was a four here that would mean we're dealing with four hundred if there's a five five hundreds it's the third from the right this is the ones six ones five tens three hundred so the answer here is it is in the hundreds place it is in the hundreds place

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Finding place value (video) | Place value | Khan Academy

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ixl.com

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Practicing Fourth grade math: 'Place value names'

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Fun math practice! Improve your skills with free problems in 'Place value names' and thousands of other practice lessons.

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ixl.com

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IXL | Place value models - up to thousands | 2nd grade math

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Improve your math knowledge with free questions in "Place value models - up to thousands" and thousands of other math skills.

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Thatquiz.org

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Place Value Splat - Different Ways Of Showing A Number

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Learn different ways of showing a number with this place value arcade game

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Order numbers to 1 million

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Balloon Pop Math - Order Numbers To 1000

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Learn how to order numbers from least to greatest with this fun math game.

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Expanded Form

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Math Games: Mathman Place Value Expanded Form

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Mathman teaches place value expanded form the fun way with this maze style math game.