Description
Students conclude their work with decimal fractions in Topic E by applying their knowledge to the real world context of money. They recognize 1 penny as 1/100 dollar, 1 dime as 1/10 dollar, and 1 quarter as 25/100 dollar. They apply their understanding of tenths and hundredths to write given amounts of money in both fraction and decimal forms. To do this, students decompose a given amount of money into dollars, quarters, dimes, and pennies and express the amount as a decimal fraction and decimal number. Students then add various numbers of coins and dollars using Grade 2 knowledge of the equivalence of 100 cents to 1 dollar. Addition and subtraction word problems are solved using unit form, adding dollars and cents. Multiplication and division word problems are solved using cents as the unit (4.MD.2).
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Credits
From EngageNY.org of the New York State Education Department. Grade 4 Mathematics Module 6, Topic E Overview.
Available from engageny.org/resource/grade-4-mathematics-module-6-topic-e-overview; accessed 2015-05-29.
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