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lesson 5
1 hour

Equivalence Of Tenths And Hundredths


Description

Objective:  Model the equivalence of tenths and hundredths using the area model and number disks.

In Lesson 5, students relate hundredths to the area model, to a tape diagram, and to number disks. They see and represent the equivalence of tenths and hundredths pictorially and numerically. Students count up from 1/100 with number disks just as they did with centimeters in Lesson 4. This time, the 10 hundredths are traded for 1 tenth, and the equivalence is expressed as 1/10 = 10/100 = 0.1 = 0.10 (4.NF.5, 4.NF.6). The equivalence of tenths and hundredths is also realized through multiplication and division.

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Credits

From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 6, Topic B, Lesson 5. Available from engageny.org/resource/grade-4-mathematics-module-6-topic-b-lesson-5; accessed 2015-05-29.
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