Description
Students decompose tenths into 10 equal parts to create hundredths in Topic B. Through the decomposition of a meter, students identify 1 centimeter as 1 hundredth of a meter. As students count up by hundredths, they realize the equivalence of 10 hundredths and 1 tenth and go on to represent them as both decimal fractions and as decimal numbers (4.NF.5). Students use area models, tape diagrams, and number disks on a place value chart to see and model the equivalence of numbers involving units of tenths and hundredths. They express the value of the number in both decimal and fraction expanded forms.
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Credits
From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 6, Topic B Overview.
Available from engageny.org/resource/grade-4-mathematics-module-6-topic-b-overview; accessed 2015-05-29.
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