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EnVision Math
Topic 1:
Lesson 1-4
Rounding Whole Numbers
2011-12
Luka and Issy Mason and Jack
Ellie and Sierra Gabe and Wes
Samantha and Alyssa Dominic and Jace
Emily and Paige Anthony and Oluwafolajinmi
How do I round
numbers?
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.
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
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
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
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
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
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
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
Round to the place of the underlined digit.
128,955 9,0001
2
Round to the place of the underlined digit.
85,6394085,6
Round to the place of the underlined digit.
9,924 10,000
Round to the place of the underlined digit.
1,194,542 9 0,00
01,1
Round to the place of the underlined digit.
160,656 200,000
Round to the place of the underlined digit.
493,295 3,00049
Round to the place of the underlined digit.
39,230 9,0003
Round to the place of the underlined digit.
77,282 8077,2
Round to the place of the underlined digit.
54,846 50,000
Round to the nearest dollar.
$6.73 7.00$
Round to the nearest dollar.
$254.13 4.00$25
Round to the nearest dollar.
$92.873.00$9
Round to the nearest dollar.
$537.27 7.00$53
Round to the nearest dollar.
$38.959.00$3
Round to the nearest ten dollars.
$57.25 0.00$6
Round to the nearest ten dollars.
$32.990.00$3
Round to the nearest ten dollars.
$91.88 0.00$9
Round to the nearest ten dollars.
$78.150.00$8
