### Elementary School Standards - Grade 2

RL.2.2 Recount stories including fables and folktales from diverse cultures, and determine their

central message, lesson, or moral.

RF.2.3 Know and apply grade-level phonics and word analysis skills in decoding words.

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

describe.

Language

L.2.1 Demonstrate command of the conventions of Standard English grammar and usage when

writing or speaking now and apply grade-level phonics and word analysis skills in decoding

words.

L.2.1e Use adjectives and adverbs and choose between them depending on what is to be modified.

### Mathematics

Essential Concept #1 – Addition and Subtraction (ALCOS Standards #1, 2):

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. [2.OA.1]

Fluently add and subtract within 20 using mental strategies. [2.OA.2]

Essential Concept#2 – Place Value to Add and Subtract (ALCOS Standards #5, 11):

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones. [2.NBT.1]

Add and subtract within 1000 using concrete models or drawings and 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. [2.NBT.7]

Essential Concept #3 Partitioning and Arrays (ALCOS #4, 25, 26):

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 match. [2.OA.4]

Partition a rectangle into rows and columns of same-size squares, and count to find the total number of them. [2.G.2]

Partition circles and rectangles into two, three, or four equal shares; describe the shares using the words halves, thirds, half of, a third of, etc.; and describe the whole as two halves, three thirds, or four fourths. Recognize that equal shares of identical wholes need not have the same shape. [2.G.3]