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Common Core: Math
Topic: Common Core Learning Standards
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 In Topic B, students build and partition composite shapes, exploring fraction concepts as they identify the relationships between parts and wholes. Students see in Lesson 6 that the tangram puzzle (...

 Topic C focuses on partitioning circles and rectangles into equal fractional parts. In Lesson 9, students are first introduced to partitioning shapes into two equal shares, or halves, using both...

 In Topic D, students apply fraction and skipcounting skills to telling time. The Topic starts with Lesson 13, in which students make paper clocks from templates. After a brief review of the clock...

 Topic C reinforces the measurement concepts and skills learned in Module 2 while focusing on customary units. In Lesson 14, students use an inch tile to measure various objects using iteration. By...

 Topic D builds upon the work students completed in Module 2 with centimeter measures, as students now explore measurement using both customary and metric units. In Lesson 16, students rotate through...

 Beginning Topic E, Lesson 20 has students using drawings to compare lengths and writing equations with an unknown to represent problems, just as they did in Module 2 (2.MD.5). In this lesson, however...

 Building on the work in Topic E, students now connect the process of measuring to displaying data in line plots. In Lesson 23, the students measure their own handspan (i.e., the distance from the tip...

 In Module 8, students continue to develop their geometric thinking from Grade 1, progressing from a descriptive to an analytic level of thinking, where they can recognize and characterize shapes by...

 Topic C naturally follows Topic B, where students composed and manipulated the rows and columns of an array. This topic is designed to deepen students’ understanding of spatial structuring as they...

 In Topic A, student work revolves around categorical data, which is produced by sorting objects or information into categories. For example, students learn about categories of animal classes and...

 In Topic B, students solve problems involving coins and bills. They begin at the concrete level in Lesson 6, using play money to review the different coin values from Grade 1. Beginning with the...

 In Topic A, students practice the simplifying strategies they learned in Module 4, but with numbers up to 1,000. They will be asked to consider which strategy is most efficient for each problem they...

 Topic B in Module 5 is analogous to Topic B in Module 4, but while in Module 4 students composed ones and tens within 200, Module 5 expands upon this, finding students composing tens and hundreds...

 Topic C builds upon Module 4’s groundwork, now decomposing tens and hundreds within 1,000 (2.NBT.7). In Lesson 13, students model decompositions with number disks on their place value charts while...

 Links to: G3–M2 Place Value and Problem Solving with Units of Measure Topic D focuses on the application of the tools and concepts presented in Topics A through C. Students synthesize their...

 Topic A begins at the concrete level as students use objects to create equal groups, providing a foundation for the construction of arrays in Topic B. In Lesson 1, for example, students are given 12...

 In Topic B, students apply their understanding of place value strategies to the addition algorithm, moving from horizontal to vertical notation. Their understanding of vertical addition starts with...

 Topic C parallels Topic B, as students apply their understanding of place value strategies to the subtraction algorithm, moving from concrete to pictorial to abstract. It is important to note that...

 In Lesson 17 of Topic D, students extend the base ten understanding developed in Topic A to numbers within 200. Having worked with manipulatives to compose 10 ones as 1 ten, students relate this to...

 Topic E begins with an extension of mental math strategies learned in first grade, when students learned to subtract from the ten by using number bonds. In Lesson 23, they return to this strategy to...

 Module 4 culminates with Topic F, in which students think about and discuss the multiple strategies they have learned to represent and solve addition and subtraction problems. They share their...

 Further building their place value understanding, students count by $1 bills up to $124, repeating the process done in Lesson 6 with bundles. Using bills, however, presents a new option. A set of 10...

 In Topic E, students transition to the more abstract number disks that will be used through Grade 5 when modeling very large and very small numbers. The foundation has been carefully laid for this...

 Number disks make comparison of numbers very easy. More than and less than lead to the addition and subtraction in the next module. In Lesson 16, students compare using the symbols <, >, and =...