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module 4
29 Instructional days (29 hours)

Place Value, Comparison, Addition and Subtraction to 40


Description

Module 4 builds upon Module 2’s work with place value within 20, now focusing on the role of place value in the addition and subtraction of numbers to 40. Students study, organize, and manipulate numbers within 40. They compare quantities and begin using the symbols for greater than (>) and less than (<). Addition and subtraction of tens is another focus of this module as is the use of familiar strategies to add two-digit and single-digit numbers within 40. Near the end of the module, the focus moves to new ways to represent larger quantities and adding like place value units as students add two-digit numbers.

Credits

From EngageNY.org of the New York State Education Department. Grade 1 Mathematics Module 4. Available from engageny.org/resource/grade-1-mathematics-module-4; accessed 2015-05-29.
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