3rd Grade · Vocabulary · L.3.5

Idioms and Similes Lesson Plan for 3rd Grade

A ready-to-teach idioms and similes lesson for 3rd Grade, built around matching idioms to their meanings, identifying similes and the words being compared, writing original simile sentences. Print the plan, print the practice pages, and you are set.

Approximately 47 minutes

Learning objective

Identify and use idioms correctly in sentences
Practice idioms and similes rules through targeted writing exercises
Build grammar confidence with idioms activities

Materials

Idioms
Similes
Simile sentences
Pencils, and whiteboard space for the modeled examples

Lesson steps

1. Build the background (5 min)
Introduce idioms and similes in plain language and connect it to a book the class already knows. Write the key term where students can see it all lesson. For 3rd Grade, one clear sentence beats a full definition.
2. Read aloud and think aloud (I do) (10 min)
Read a short passage aloud. Stop twice and narrate your own thinking about idioms and similes: what you noticed in the text and what made you notice it. Students are learning the move, not the answer.
3. Guided practice (we do) (12 min)
Read a second passage together. This time students find the evidence and you record it. Push every answer back to the text with "what words told you that?"
4. Independent practice (you do) (15 min)
Hand out "Idioms". Students read and answer on their own. Circulate and ask individuals to point to the line in the text that supports their answer.
5. Share and close (5 min)
Two or three students share an answer and the evidence behind it. Restate idioms and similes one final time in the students' own words, not yours.

Check for understanding

Collect the practice pages and sort them into three piles: fluent, developing, and not yet. Any student in the third pile needs idioms and similes retaught in a small group before the class moves on.

Differentiation

Extra support. Students who stall: pull them into a small group and rebuild idioms and similes with concrete materials or a simpler text before asking for the written work again. Do not send the page home as homework, it will just rehearse the misunderstanding.

Extension. Students who finish early: ask them to write their own idioms and similes problem for a partner to solve, then check the partner's work. Creating a problem is harder than solving one and it surfaces whether they really understand idioms and similes.

Skills covered in this lesson

Idioms · Similes · Simile sentences

Questions teachers ask about teaching idioms and similes

Why are idioms hard for some third graders and easy for others?

Idioms are hard specifically for students who read literally, since piece of cake has nothing to do with dessert and it's raining cats and dogs describes weather, not animals. Kids who've heard an idiom used casually at home already have a head start; kids meeting it for the first time on a worksheet need the literal-versus-real-meaning gap explained explicitly rather than assumed.

What is the difference between a simile and the sentence practice on the idioms page?

An idiom's meaning has nothing to do with its literal words (raining cats and dogs means heavy rain, not falling animals). A simile's meaning is built directly from its literal comparison using like or as (busy as a bee genuinely does describe a bee's activity level). Idioms have to be learned as fixed phrases; similes can be built fresh by comparing almost anything to almost anything else.

How can my child get better at writing their own similes instead of just recognizing them?

Practice out loud before writing anything down: point at something ordinary and ask your child to finish it was as ___ as ___ or it moved like a ___. Encourage silly, vivid comparisons over safe, boring ones, since a simile's whole job is to make writing more vivid, and vivid beats accurate every time in this particular skill.