Rounding to nearest 10,000

​Let's round 186,045 to the nearest ten thousand

How many ten thousands are in 186,045?

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Yes! 18 ten thousands are in 186,045.

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​That number is 180,000​

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What is one more ten thousand than 18 ten thousands?​

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​Yes! 19 ten thousands!

That number is 190,000.

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What number goes right in the middle of 180,000 and 190,000?​

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​Yes 185,000!

So now we think, is 186,045 more or less than 185,000?

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​That's right it's more!

So we round 186,045 up to 190,000.

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Now lets round to the nearest hundred thousand

Let's round 634,243

How many hundred thousands are in 634,243?

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That's right 6 hundred thousands

That number is 600,000.

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What is one more hundred thousand than 600,000?​

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That's right, it's 7 hundred thousands

That number is 700,000.

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What number is exactly halfway between 600,000 and 700,000?​

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​Yes 650,000

Now we think, is 634,243 more or less than 650,000?

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Yes it's less!

Because 634,243 is less than 650,000 it is closer to 600,000 than 700,000.

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So we round 634,243 down to 600,000.​

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​Problem set and exit ticket

Now work on pages 111, 112, 113 for your problem set and

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114 is your exit ticket. Tear it out and turn it in!

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You got this!​

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