What should a 4th grader know about prepositions and prepositional phrases?

Fourth graders should recognize prepositions and the phrases they begin, and use them correctly in their own sentences (CCSS L.4.1e). A preposition is a word that shows direction, location, or time, such as in, on, under, before, after, or between. A prepositional phrase starts with that preposition and ends with a noun or pronoun called its object, as in "under the wooden bridge" or "after lunch." By fourth grade, students learn to find the whole phrase, not just the preposition, and to see that a prepositional phrase can act like an adverb, telling where, when, or how something happens ("She ran across the field"). This matters because prepositional phrases add the detail that turns a bare sentence into a clear one. Common confusion comes from mistaking a preposition for another part of speech, since words like "up" and "over" can also be adverbs. Worksheets that ask students to underline the whole phrase, circle the object, and then add a prepositional phrase to a plain sentence give the hands-on practice L.4.1e calls for, and reading the finished sentence aloud confirms the phrase adds real, useful detail.

How do you teach prepositional phrases to a 4th grader?

Teach the phrase as a unit, not just the preposition. Begin with the idea that a preposition answers where, when, or in what direction, then show that it always drags an object along with it: "on the shelf," "before recess," "into the pond." A quick trick your fourth grader will remember: a preposition is almost anywhere a squirrel can go relative to a tree, up the tree, around the tree, or behind the tree. Once students can spot the phrase, have them find its two ends, the preposition at the start and the noun or pronoun object at the end, and underline everything in between. Next, move to building: give a plain sentence like "The dog slept" and ask students to add a prepositional phrase that tells where ("The dog slept under the porch"). Finally, show how the same phrase can act as an adverb describing the verb. Worksheets that progress from underlining phrases, to identifying the object, to writing new phrases into sentences match the sequence CCSS L.4.1e expects. Reading each finished sentence aloud confirms the phrase actually adds clear, useful detail.

Why do fourth graders confuse prepositions, and how do worksheets help?

Fourth graders confuse prepositions for two main reasons. First, many preposition words double as other parts of speech: "up," "down," "over," and "in" can be adverbs when they stand alone ("Come in") but prepositions when they lead a phrase ("Come in the house"). Second, students often grab only the preposition and miss the rest of the phrase, so they underline "under" but skip "the old wooden table." The fix is to always look for the object, the noun or pronoun that finishes the phrase. If there is an object, it is a prepositional phrase, and if the word stands alone, it is probably an adverb. Another common slip is choosing the wrong preposition for the meaning, such as "different than" instead of "different from." Worksheets help by isolating the skill: some ask students to underline the full phrase and box the object, some ask them to sort words as prepositions or not, and some ask them to drop the right preposition into a sentence. This targeted practice, aligned with CCSS L.4.1e, builds the habit of seeing the whole phrase, which is exactly where most preposition errors disappear.

4th Grade · Grammar · L.4.1.E

Parts of Speech Lesson Plan for 4th Grade

A ready-to-teach parts of speech lesson for 4th Grade. Everything below is classroom-tested structure: an objective, a 45-minute sequence, a way to check who got it, and 4 printable practice pages.

Approximately 45 minutes

Learning objective

Identify prepositions in sentences from a list of common examples
Recognize how prepositions show relationships of place and time
Underline prepositions in grade-level sentences accurately

Materials

Identifying Prepositions
Using Prepositions
Prepositional Phrases as Adverbs
Prepositions of Place and Time - Back to School
Pencils, and whiteboard space for the modeled examples

Lesson steps

1. Notice it first (5 min)
Put two sentences on the board, one that uses parts of speech correctly and one that does not. Ask students which sounds right before you name any rule. Noticing comes before naming.
2. Name the rule (I do) (8 min)
Now name parts of speech and state the rule in one sentence. Write it where it can stay all week. Model correcting the broken sentence from the warm-up.
3. Fix them together (we do) (12 min)
Work through four or five sentences as a class. Mix in one that is already correct, because students who are pattern-matching rather than thinking will "fix" it anyway and reveal themselves.
4. Independent practice (you do) (15 min)
Hand out "Identifying Prepositions". Students work independently. Circulate and watch for the students who can do the exercise but cannot explain the rule, since that gap shows up later in their writing.
5. Apply it to real writing (5 min)
Students find one place in their own writing folder where parts of speech applies, and fix it. This is the step that moves the rule from worksheet to writing.

Check for understanding

Read the last two sentences of each student's independent work. Applying parts of speech correctly in their own sentence matters more than getting the exercise items right.

Differentiation

Extra support. Students who stall: pull them into a small group and rebuild parts of speech 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 parts of speech 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 parts of speech.

Skills covered in this lesson

Identifying prepositions · Using prepositions · Prepositional phrases · Prepositions and objects · Prepositional phrases as adjectives · Prepositional phrases as adverbs · Adjective or adverb? · Coordinating conjunctions · Subordinating conjunctions

Practice pages for this lesson

4 items, 4 printable pages that match the independent-practice step.

Questions teachers ask about teaching parts of speech

What should a 4th grader know about prepositions and prepositional phrases?: Fourth graders should recognize prepositions and the phrases they begin, and use them correctly in their own sentences (CCSS L.4.1e). A preposition is a word that shows direction, location, or time, such as in, on, under, before, after, or between. A prepositional phrase starts with that preposition and ends with a noun or pronoun called its object, as in "under the wooden bridge" or "after lunch." By fourth grade, students learn to find the whole phrase, not just the preposition, and to see that a prepositional phrase can act like an adverb, telling where, when, or how something happens ("She ran across the field"). This matters because prepositional phrases add the detail that turns a bare sentence into a clear one. Common confusion comes from mistaking a preposition for another part of speech, since words like "up" and "over" can also be adverbs. Worksheets that ask students to underline the whole phrase, circle the object, and then add a prepositional phrase to a plain sentence give the hands-on practice L.4.1e calls for, and reading the finished sentence aloud confirms the phrase adds real, useful detail.
How do you teach prepositional phrases to a 4th grader?: Teach the phrase as a unit, not just the preposition. Begin with the idea that a preposition answers where, when, or in what direction, then show that it always drags an object along with it: "on the shelf," "before recess," "into the pond." A quick trick your fourth grader will remember: a preposition is almost anywhere a squirrel can go relative to a tree, up the tree, around the tree, or behind the tree. Once students can spot the phrase, have them find its two ends, the preposition at the start and the noun or pronoun object at the end, and underline everything in between. Next, move to building: give a plain sentence like "The dog slept" and ask students to add a prepositional phrase that tells where ("The dog slept under the porch"). Finally, show how the same phrase can act as an adverb describing the verb. Worksheets that progress from underlining phrases, to identifying the object, to writing new phrases into sentences match the sequence CCSS L.4.1e expects. Reading each finished sentence aloud confirms the phrase actually adds clear, useful detail.
Why do fourth graders confuse prepositions, and how do worksheets help?: Fourth graders confuse prepositions for two main reasons. First, many preposition words double as other parts of speech: "up," "down," "over," and "in" can be adverbs when they stand alone ("Come in") but prepositions when they lead a phrase ("Come in the house"). Second, students often grab only the preposition and miss the rest of the phrase, so they underline "under" but skip "the old wooden table." The fix is to always look for the object, the noun or pronoun that finishes the phrase. If there is an object, it is a prepositional phrase, and if the word stands alone, it is probably an adverb. Another common slip is choosing the wrong preposition for the meaning, such as "different than" instead of "different from." Worksheets help by isolating the skill: some ask students to underline the full phrase and box the object, some ask them to sort words as prepositions or not, and some ask them to drop the right preposition into a sentence. This targeted practice, aligned with CCSS L.4.1e, builds the habit of seeing the whole phrase, which is exactly where most preposition errors disappear.

More grammar lesson plans for 4th Grade

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