What is expected of students under Common Core The Common Core State Standards Initiative is a uniform set of benchmarks children across the country must meet. Here's a sampling of what students must master at a certain age.

A complete list of standards is available at corestandards.org.


Know number names and the count sequence

With prompting and support, ask and answer questions about key details in a text

Read common high-frequency words by sight (e.g., the, of, to, you, she, my, is, are, do, does)

First Grade

Add and subtract within 20

Identify words and phrases in stories or poems that suggest feelings or appeal to the senses

Write informative/explanatory texts in which they name a topic, supply some facts about the topic and provide some sense of closure

Second Grade

Work with equal groups of objects to gain foundations for multiplication

Identify the main topic of a multi-paragraph text as well as the focus of specific paragraphs within the text

Use collective nouns, form and use frequently occurring irregular plural nouns (e.g., feet, children, teeth, mice, fish)

Third Grade

Multiply and divide within 100

Distinguish their own point of view from that of the narrator or those of the characters

Decode multisyllable words

Fourth Grade

Understand decimal notation for fractions and compare decimal fractions