At the Medium level, second graders read short three-sentence passages about apples, dogs, rain, and other familiar topics, then complete fill-in-the-blank statements that capture each main idea. A matching activity pairs four mini passages about cats, the sun, frogs, and bikes with the sentence that best states each main idea.
This worksheet builds the habit of reading every sentence before deciding what a passage is mostly about.
Style:
Main Idea & Supporting Details
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Apples can be red, green, or yellow. They grow on trees. They taste sweet or sour. This passage is mainly about apples.
2. Dogs wag their tails when happy. They bark to warn you. Dogs like to play fetch. The main idea is that dogs communicate in many ways.
3. Rain fills rivers and lakes. Plants need rain to grow. Rain helps keep the earth green. The main idea is that rain is helpful.
4. The moon shines at night. It changes shape each week. Sometimes we see a full moon. This passage is mostly about the moon.
5. Bees make honey. They visit flowers to get nectar. Bees live in hives together. The topic of this passage is bees.
6. A sentence that gives extra facts about the main idea is called a supporting detail.
7. The main idea answers the question: What is this passage mostly about?
8. When you retell a story, you share the main idea and the key details.
9. A good title for a passage usually hints at the main idea.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Cats sleep up to 16 hours a day. They groom themselves. Cats purr when happy.
→ Cats spend their day resting and caring for themselves.
The sun is important to life on Earth.
The sun gives us light. It keeps us warm. Plants need the sun to grow.
→ The sun is important to life on Earth.
Frogs are interesting animals.
Frogs live near water. They jump very far. Baby frogs are called tadpoles.
→ Frogs are interesting animals.
Riding a bike is fun and safe.
Bikes have two wheels. You pedal to move. Helmets keep riders safe.
→ Riding a bike is fun and safe.
Cats spend their day resting and caring for themselves.
Main Idea & Supporting Details
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) Apples can be red, green, or yellow. They grow on trees. They taste sweet or sour. This passage is mainly about apples.
2) Dogs wag their tails when happy. They bark to warn you. Dogs like to play fetch. The main idea is that dogs communicate in many ways.
3) Rain fills rivers and lakes. Plants need rain to grow. Rain helps keep the earth green. The main idea is that rain is helpful.
4) The moon shines at night. It changes shape each week. Sometimes we see a full moon. This passage is mostly about the moon.
5) Bees make honey. They visit flowers to get nectar. Bees live in hives together. The topic of this passage is bees.
6) A sentence that gives extra facts about the main idea is called a supporting detail.
7) The main idea answers the question: What is this passage mostly about?
8) When you retell a story, you share the main idea and the key details.
9) A good title for a passage usually hints at the main idea.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
Cats sleep up to 16 hours a day. They groom themselves. Cats purr when happy.
→ Cats spend their day resting and caring for themselves.
The sun is important to life on Earth.
The sun gives us light. It keeps us warm. Plants need the sun to grow.
→ The sun is important to life on Earth.
Frogs are interesting animals.
Frogs live near water. They jump very far. Baby frogs are called tadpoles.
→ Frogs are interesting animals.
Riding a bike is fun and safe.
Bikes have two wheels. You pedal to move. Helmets keep riders safe.
→ Riding a bike is fun and safe.
Cats spend their day resting and caring for themselves.
Ready to Practice?
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10 Questions
10-15 minutes
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