# Place Value, Counting, and Comparison of Numbers

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Resource Type Lesson Plan
Standards Alignment
Common Core State Standards

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This resource is part of a 7 lesson module. Topics A-G. This resource includes the overview, lesson plans activities and assessments . The resource is from EngageNY and licensed through Creative Commons. http://creativecommons.org/licenses/by-nc-sa/3.0/us. Aligned with 1.NBT.1, 1.NBT.2, 1.NBT.3, 1.NBT.4, 1.NBT.5, 1.NBT.6, MP.2, MP.3, MP.6, MP.7.

## Resources

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g2-m3-full-module.pdf

Lesson Plan
February 13, 2020
8.5 MB

### Standards

Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.
Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.
Subtract multiples of 10 in the range 10–90 from multiples of 10 in the range 10–90 (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

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