envision math topic 1: lesson 1-4 rounding whole numbers 2011-12
TRANSCRIPT
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EnVision Math
Topic 1:
Lesson 1-4
Rounding Whole Numbers
2011-12
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Luka and Issy Mason and Jack
Ellie and Sierra Gabe and Wes
Samantha and Alyssa Dominic and Jace
Emily and Paige Anthony and Oluwafolajinmi
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How do I round
numbers?
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300 400
Write a number that
is greater than 300 that
rounds to 300.
Write a number that
is greater than 300 that
rounds to 400.
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Round to the nearest thousand.
8,723 Find the place
that I am rounding
to.
Look at the digit to the right
of this place.
If the digit to the
right is 5 or
more, add 1.
If the digit to the right is less than 5, leave it
alone.
9,000
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Round to the nearest thousand.
293,685,40
7 Find the place
that I am rounding
to.
Look at the digit to the right
of this place.
If the digit to the
right is 5 or
more, add 1.
If the digit to the right is less than 5, leave it
alone.
293,685 ,000
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Round to the nearest hundred thousand.
293,685,40
7 Find the place
that I am rounding
to.
Look at the digit to the right
of this place.
If the digit to the
right is 5 or
more, add 1.
If the digit to the right is less than 5, leave it
alone.
293,700,000
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Round to the nearest hundred.
293,685,40
7 Find the place
that I am rounding
to.
Look at the digit to the right
of this place.
If the digit to the
right is 5 or
more, add 1.
If the digit to the right is less than 5, leave it
alone.
293,685,400
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Round to the nearest million.
293,685,40
7 Find the place
that I am rounding
to.
Look at the digit to the right
of this place.
If the digit to the
right is 5 or
more, add 1.
If the digit to the right is less than 5, leave it
alone.
294 ,000,000
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Round to the nearest ten thousand.
293,685,40
7 Find the place
that I am rounding
to.
Look at the digit to the right
of this place.
If the digit to the
right is 5 or
more, add 1.
If the digit to the right is less than 5, leave it
alone.
293,69 0,000
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Round to the nearest ten.
293,685,40
7 Find the place
that I am rounding
to.
Look at the digit to the right
of this place.
If the digit to the
right is 5 or
more, add 1.
If the digit to the right is less than 5, leave it
alone.
293,685,4
10
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Round to the place of the underlined digit.
128,955 9,0001
2
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Round to the place of the underlined digit.
85,6394085,6
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Round to the place of the underlined digit.
9,924 10,000
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Round to the place of the underlined digit.
1,194,542 9 0,00
01,1
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Round to the place of the underlined digit.
160,656 200,000
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Round to the place of the underlined digit.
493,295 3,00049
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Round to the place of the underlined digit.
39,230 9,0003
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Round to the place of the underlined digit.
77,282 8077,2
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Round to the place of the underlined digit.
54,846 50,000
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Round to the nearest dollar.
$6.73 7.00$
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Round to the nearest dollar.
$254.13 4.00$25
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Round to the nearest dollar.
$92.873.00$9
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Round to the nearest dollar.
$537.27 7.00$53
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Round to the nearest dollar.
$38.959.00$3
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Round to the nearest ten dollars.
$57.25 0.00$6
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Round to the nearest ten dollars.
$32.990.00$3
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Round to the nearest ten dollars.
$91.88 0.00$9
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Round to the nearest ten dollars.
$78.150.00$8