CCSS.ELA-LITERACY.L.1.4.C : First Grade English Language Arts Worksheets

About L.1.4.C

Identify frequently occurring root words (e.g., look) and their inflectional forms (e.g., looks, looked, looking).

Here is a collection of our common core aligned worksheets for core standard L.1.4.C.

A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are free for individual and non-commercial use.

Please visit L.1.C to view our large collection of printable worksheets. View the full list of topics for this grade and subject categorized by common core standards or in a traditional way.

Register and get access to:

  •   All Answer Keys

  •   An Ad-free Experience

  •   Premium/Full Screen PDFs

  •   Unlimited Access


L.1.C      L.1.4.C

Worksheet: First Grade

-Ed Ending


Follow the spelling rules and add -ed to the root words.

Core Standard: L.1.4.C


Worksheet: First Grade

Root Words and Inflectional Endings


Learn & practice identifying common root words and inflectional endings.

Core Standard: L.1.4.C



Cut, sort, and glue the word cards by their inflectional ending.

Core Standard: L.1.4.C


Worksheet: First Grade

-Ing Ending


Follow the rules to change the root words by add -ing to the root words.

Core Standard: L.1.4.C


Worksheet: First Grade

Plural Endings -s and -es


Cut, sort, and glue the word cards by their inflectional ending. Then on next page, record your results and add either -s or -es to make each word plural.

Core Standard: L.1.4.C


Worksheet: First Grade

Adding Inflectional Endings


Add the inflectional ending to each root word. Be sure to look at the pattern and spelling of the root word to determine what changes might be needed.

Core Standard: L.1.4.C



Again, we encourage you to see more printable worksheets in common core standard L.1.C .