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How do you round 5.1 to the nearest whole number?
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In this lesson you will learn to round decimals to the nearest
whole number by using a number line.
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Let’s ReviewLet’s Review
0 1 2 3 4 5 6 7 8 9
Number Line
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Let’s ReviewLet’s Review
15 = 15.0
365 = 365.0
674 = 674.0
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Let’s ReviewCore LessonHow do you round 7.7 to the nearest whole number using a number line?
7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 8
= Numbers closer to 7= Numbers closer to 8
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Let’s ReviewCore Lesson
How do you round 5.1 to the nearest whole number?
5 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 6
= Numbers closest to 5= Numbers closest to 6
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In this lesson you have learned to round decimals to the
nearest whole number by using a number line.
![Page 8: How do you round 5.1 to the nearest whole number?](https://reader034.vdocument.in/reader034/viewer/2022042704/56812e3c550346895d93b5cd/html5/thumbnails/8.jpg)
Let’s ReviewGuided Practice
How do you round 8.5 to the nearest whole number?
8 8.1 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 9
= Numbers closest to 8= Numbers closest to 9
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Let’s ReviewExtension ActivitiesThe five top swimmers in an event had the following times:
Emily 64.5 secondsMolly 64.4 secondsMartha 63.9 secondsKathy 64.8 secondsRhonda 63.3 seconds
Using a number line illustrate how to round these numbers to the nearest whole number.
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Let’s ReviewExtension ActivitiesBase Block Decimals
Get a partner and a set of base ten blocks.Rods = ones place, units =tenths place.1
2 Create the following decimals using the base ten blocks:4.2 7.6 9.3 5.4
3.1 6.5 2.9 8.7
3 Round the decimals to the nearest whole number.
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Let’s ReviewQuick Quiz
How do you round 4.6 to the nearest whole number using a number line?
How do you round 9.2 to the nearest whole number using a number line?