Common Core ELA · Grade 3

W.3.1 Opinion writing

Write opinion pieces on topics or texts, supporting a point of view with reasons.

Why water teaches this standard well

Third graders support a point of view with reasons on questions such as whether the school should install bottle-filling fountains or whether watering the garden in the morning is the smarter choice. Water conservation topics keep opinion writing grounded in reasons students can actually defend.

Materials tagged with this code are written to the full standard , and each carries a written note explaining the alignment. See how we review materials.

13 materials aligned to W.3.1

Lesson plans

Worksheets

Classroom activities

Grade 3 Classroom activity

After the Storm at Milkvetch Park: A Safe-or-Not Game

A grade 3 movement game where students hear after-storm scenarios at a fictional park and walk to Safe Choice or Not Safe signs, then defend a choice in writing.

Health & Consumer Science 30 min Answer key

Writing prompts

Grade 3 Writing prompt

Should Copperbeech Buy the Quarrowick Woods? A Grade 3 Prompt

A grade 3 opinion prompt on whether a fictional town should buy the woods above its wells or let a store be built there, with an exemplar and a four-level rubric.

Social Studies & Civics 2 sessions, ~90 min total Answer key

Grade 3 Writing prompt

The Car Wash at Oxbend Elementary: A Grade 3 Opinion Prompt

Students take a side on where a school club should hold its fundraising car wash, using background facts about a parking lot storm drain that runs to a creek.

English Language Arts 2 sessions, ~60 min total Answer key

Grade 3 Writing prompt

Should Pintail Water Its Ball Field in a Dry Summer?

After six dry weeks, the fictional town of Pintail must decide whether to keep watering its ball field. Students write opinion letters with reasons, plus a rubric.

Social Studies & Civics 2 sessions, ~60 min total Answer key

Grade 3 Writing prompt

Fix the Faucet? A Grade 3 Opinion Prompt on a Leaky School Sink

A grade 3 opinion writing prompt where students decide whether a fictional school should fix a dripping faucet right away, using a real fact about drip waste as support.

English Language Arts 2 sessions, ~70 min total Answer key

Projects