carlos swam the 100 meter race in 59.813 seconds. what is his time rounded to the nearest hundredth...
TRANSCRIPT
Carlos swam the 100 meter race in 59.813 seconds. What is his time rounded to the nearest hundredth
of a second?
In this lesson you will learn how to round decimals to the nearest hundredth by using a
number line.
Let’s Review
= 0.3 = 0.30
equivalent
Let’s Review
rounding
$36.87 $40.00
A Common Misunderstanding
0.8
0 1
Not dividing the whole into the correct number of equal parts.
0 1
A Common Misunderstanding
Misapplying a rounding “rule” in order to solve a problem.
4.48 4.5 5.0
4.48 4.0
Core Lesson
4.31 4.324.317
What is 4.317 rounded to the nearest hundredth?
Between which two hundredths is
4.317?
4.317
0.007 0.003>
= 4.32
4.310 4.320
Core Lesson
2.0 3.0
What is 2.544 rounded to the nearest hundredth?
Between which two hundredths is
2.544?
2.5442.544 comes between 2.5 and
2.6.
What if my number line only
shows tenths?
2.5 2.6
Core Lesson
2.60
What is 2.544 rounded to the nearest hundredth?
2.544
2.50
Core Lesson
2.54 2.552.544
What is 2.544 rounded to the nearest hundredth?
2.544
0.004 0.006<
= 2.54
2.5502.540
Core Lesson
59.81 59.8259.812
Carlos swam the 100 meter race in 59.812 seconds. What is his time rounded to the nearest hundredth of a second?
Between which two hundredths is
59.812?
59.812
0.002 0.008
= 59.81
<
59.810 59.820
In this lesson you have learned how to round
decimals to the nearest hundredth by using a
number line.