Common Core State Standards (CCSS) Correlations

English Language Arts

Strand - Reading Standards: Informational Text, Grade 2

Key Ideas and Details

ELA.RI.2.3: Describe the connection between a series of historical events, scientific ideas or concepts, or steps in technical procedures in a text.

Key Ideas and Details

ELA.RI.2.1: Ask and answer such questions as who, what, where, when, why, and how to demonstrate understanding of key details in a text.

Key Ideas and Details

ELA.RI.2.2: Identify the main topic of a multi-paragraph text as well as the focus of specific paragraphs within the text.

Craft and Structure

ELA.RI.2.5: Know and use various text features (e.g., captions, bold print, subheadings, glossaries, indexes, electronic menus, icons) to locate key facts or information in a text efficiently.

Craft and Structure

ELA.RI.2.4: Determine the meaning of words and phrases in a text relevant to a grade 2 topic or subject area.

Craft and Structure

ELA.RI.2.6: Identify the main purpose of a text, including what the author wants to answer, explain, or describe.

Integration of Knowledge and Ideas

ELA.RI.2.7: Explain how specific images (e.g., a diagram showing how a machine works) contribute to and clarify a text.

Range of Reading and Level of Text Complexity

ELA.RI.2.10: By the end of year, read and comprehend informational texts, including history/social studies, science, and technical texts, in the grades 2–3 text complexity band proficiently, with scaffolding as needed at the high end of the range.

Strand - Language Standards, Grade 2

Conventions of Standard English

ELA.L.2.1: Demonstrate command of the conventions of standard English grammar and usage when writing or speaking.

Conventions of Standard English

ELA.L.2.2: Demonstrate command of the conventions of standard English capitalization, punctuation, and spelling when writing.

Knowledge of Language

ELA.L.2.3: Use knowledge of language and its conventions when writing, speaking, reading, or listening.

Vocabulary Acquisition and Use

ELA.L.2.6: Use words and phrases acquired through conversations, reading and being read to, and responding to texts, including using adjectives and adverbs to describe (e.g., When other kids are happy that makes me happy).

Vocabulary Acquisition and Use

ELA.L.2.4: Determine or clarify the meaning of unknown and multiple-meaning words and phrases based on grade 2 reading and content, choosing flexibly from an array of strategies.

Vocabulary Acquisition and Use

ELA.L.2.5: Demonstrate understanding of word relationships and nuances in word meanings.

Mathematics

Domain - Operations and Algebraic Thinking, Grade 2

Represent and solve problems involving addition and subtraction.

Math.2.OA.A.1: Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

Add and subtract within 20.

Math.2.OA.B.2: Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

Work with equal groups of objects to gain foundations for multiplication.

Math.2.OA.C.3: Determine whether a group of objects (up to 20) has an odd or even number of members, e.g., by pairing objects or counting them by 2s; write an equation to express an even number as a sum of two equal addends.

Work with equal groups of objects to gain foundations for multiplication.

Math.2.OA.C.4: Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

Domain - Number and Operations in Base Ten, Grade 2

Understand place value.

Math.2.NBT.A.2: Count within 1000; skip-count by 5s, 10s, and 100s.

Understand place value.

Math.2.NBT.A.3: Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.

Use place value understanding and properties of operations to add and subtract.

Math.2.NBT.B.5: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Use place value understanding and properties of operations to add and subtract.

Math.2.NBT.B.7: Add and subtract within 1000, 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. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.

Use place value understanding and properties of operations to add and subtract.

Math.2.NBT.B.8: Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900.

Use place value understanding and properties of operations to add and subtract.

Math.2.NBT.B.6: Add up to four two-digit numbers using strategies based on place value and properties of operations.

Use place value understanding and properties of operations to add and subtract.

Math.2.NBT.B.9: Explain why addition and subtraction strategies work, using place value and the properties of operations.

Domain - Measurement and Data, Grade 2

Measure and estimate lengths in standard units.

Math.2.MD.A.1: Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes.

Measure and estimate lengths in standard units.

Math.2.MD.A.2: Measure the length of an object twice, using length units of different lengths for the two measurements; describe how the two measurements relate to the size of the unit chosen.

Relate addition and subtraction to length.

Math.2.MD.B.6: Represent whole numbers as lengths from 0 on a number line diagram with equally spaced points corresponding to the numbers 0, 1, 2, ..., and represent whole-number sums and differences within 100 on a number line diagram.

Relate addition and subtraction to length.

Math.2.MD.B.5: Use addition and subtraction within 100 to solve word problems involving lengths that are given in the same units, e.g., by using drawings (such as drawings of rulers) and equations with a symbol for the unknown number to represent the problem.

Work with time and money.

Math.2.MD.C.7: Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.

Work with time and money.

Math.2.MD.C.8: Solve word problems involving dollar bills, quarters, dimes, nickels, and pennies, using $ and ¢ symbols appropriately. Example: If you have 2 dimes and 3 pennies, how many cents do you have?

Represent and interpret data.

Math.2.MD.D.10: Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph.

Domain - Geometry, Grade 2

Reason with shapes and their attributes.

Math.2.G.A.2: Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.

Reason with shapes and their attributes.

Math.2.G.A.1: Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces.(Sizes are compared directly or visually, not compared by measuring). Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.

Common Core State Standards and Expectations© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.