Endings -s -ed -ing phonics worksheets
Aligned with Common Core RF.1.3f
Printable first-grade phonics worksheets for -s, -ed and -ing endings: add the ending, circle the base word, pick the ending that fits and sort words by ending.
The worksheets
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Endings Chart
Eight verbs with -s, -ed and -ing, plus the three sounds of -ed.

Add the Ending
Six base words to change with -s, -ed and -ing.

Circle the Base Word
Twelve words with -s, -ed or -ing endings.

Pick the Ending
Nine sentences with a missing ending and a time clue.

Ending Sort
Twelve words to sort by ending.
Print the whole packet
One copy of every sheet above, in order. Tap + for more copies (up to 10).
For the parent or teacher
What it is
Endings change a word's meaning. -s can mean more than one or tell what someone does (she jumps). -ed tells that it already happened (jumped). -ing tells it is happening now (jumping). Kids learn to find the base word, read it, then add the ending. Endings connect phonics to grammar: kids sound out the base word, then add the ending.
What comes next
First-grade sight words, the common words that don't follow the rules.
How to teach it
- Cover the ending with a finger. Read the base word, then uncover the ending.
- Act it out. "I jump. I am jumping. I jumped!"
- Talk about time words. Yesterday needs -ed. Right now needs -ing.
- Point out that -ed can sound like /t/ (jumped), /d/ (yelled) or /ed/ (rested).
Common mistakes
- Dropping the ending when reading, like reading jumped as jump.
- Reading -ed as a separate syllable every time, like jump-ed.
- Adding -ed to words that change, like runned. These sheets use regular words only.