4th Grade ELA Flashcards: Support Opinion With Facts

What this deck covers

This deck focuses on Support Opinion With Facts, giving you a quick way to review the definitions, rules, and examples that matter most for 4th Grade ELA.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Flashcard 1: Which revision adds a supporting detail: "We need more recess" or "We need more recess to improve focus in class"?

Answer: We need more recess to improve focus in class. Adding "to improve focus" provides a specific benefit.

Flashcard 2: Which sentence is evidence for "students need more sleep": "Many students feel tired" or "Doctors recommend 9–11 hours"?

Answer: "Doctors recommend 9–11 hours". Medical recommendations are verifiable facts, not opinions.

Flashcard 3: What is a reason in an opinion paragraph?

Answer: A statement that explains why you hold the opinion. Reasons justify your viewpoint in persuasive writing.

Flashcard 4: What is a reason in an opinion paragraph?

Answer: A statement that explains why you hold the opinion. It connects your opinion to evidence by explaining your thinking.

Flashcard 5: What is a reason in an opinion paragraph?

Answer: A statement that explains why you hold the opinion. Reasons justify your viewpoint in persuasive writing.

Flashcard 6: Which evidence best matches the reason "Reading daily builds vocabulary"?

Answer: Readers learn new words from context and repeated exposure. This explains how reading builds vocabulary specifically.

Flashcard 7: Find the opinion word that makes this evidence less factual: "The cafeteria is the best because it serves 4 meals."

Answer: best. Subjective words like "best" express opinions, not facts.

Flashcard 8: What does it mean to support a reason with facts and details?

Answer: Use true information and specific examples to prove it. Facts must be verifiable; examples must be concrete.

Flashcard 9: Identify the supporting detail in this sentence: "Dogs make good pets; for example, they can be trained to follow rules."

Answer: They can be trained to follow rules. "For example" introduces the specific evidence.

Flashcard 10: Identify the best supporting detail for "Bike helmets keep riders safe."

Answer: Helmets protect the head and reduce injury in crashes. This detail explains how helmets provide safety.

Flashcard 11: Choose the best evidence for "Recycling helps the environment": "It is important" or "It reduces trash in landfills."

Answer: "It reduces trash in landfills.". Specific environmental benefits support the claim.

Flashcard 12: Which sentence is an opinion (not a fact): "The movie was amazing" or "The movie was 2 hours long"?

Answer: The movie was amazing. "Amazing" expresses personal judgment; duration is measurable.

Flashcard 13: Which transition best introduces evidence after a reason: "For example," or "On the other hand,"?

Answer: For example,. This phrase signals supporting evidence will follow.

Flashcard 14: What is a detail in opinion writing?

Answer: A specific piece of information that explains or supports a reason. Details provide evidence that makes reasons convincing.

Flashcard 15: What is a credible source for a fact in school writing: a science textbook or an anonymous comment online?

Answer: A science textbook. Academic sources are reliable; anonymous posts aren't.

Flashcard 16: Choose the best evidence type to support a claim about a book: personal insult or text quotation?

Answer: Text quotation. Text evidence directly supports literary claims; insults don't.

Flashcard 17: What should you check to ensure your details support your reason?

Answer: That each detail directly proves the reason and matches the topic. Details must connect logically to both reason and main opinion.

Flashcard 18: What is the main problem with evidence that is off-topic?

Answer: It does not support the reason or opinion. Irrelevant evidence weakens your argument.

Flashcard 19: What is a detail that supports a reason?

Answer: A specific example, statistic, quote, or observation. Details provide concrete support to strengthen reasons.

Flashcard 20: Which transition best introduces a reason: "For example" or "One reason is"?

Answer: One reason is. This phrase signals you're stating a supporting argument.

Flashcard 21: Which type of support is a fact: a personal feeling or a statement that can be proven true?

Answer: A statement that can be proven true. Facts can be verified; feelings cannot be proven.

Flashcard 22: Which sentence is a reason (not evidence): "School should start later because students need more sleep."?

Answer: Students need more sleep. This explains why the change is needed.

Flashcard 23: What is the best structure for one reason with support in a paragraph?

Answer: Reason sentence, then facts and details (evidence) about it. State your point first, then prove it with evidence.

Flashcard 24: What is an irrelevant detail?

Answer: A detail that does not help prove the reason. Irrelevant details distract from your argument.

Flashcard 25: Identify the sentence that is a reason (not a detail): A) "One reason is it keeps parks clean" B) "For example, fewer cans are left"

Answer: A) One reason is it keeps parks clean. "One reason is" introduces an argument; "For example" introduces evidence.

Flashcard 26: Choose the strongest evidence for "Exercise improves health."

Answer: It strengthens the heart and muscles and boosts endurance. Specific physical benefits provide measurable evidence.

Flashcard 27: Find the unsupported reason: "Homework is important because it is important." What is missing?

Answer: Specific facts or details explaining why it is important. Circular reasoning lacks supporting facts or details.

Flashcard 28: Which option is the best evidence type for 4th grade opinion writing: specific facts/examples or personal attacks?

Answer: Specific facts and examples. Facts and examples provide objective support, not emotional attacks.

Flashcard 29: Identify the evidence type: a number, measurement, or statistic used to support a reason.

Answer: Statistic (numerical fact). Numbers and data provide objective, measurable support.

Flashcard 30: What is a relevant detail in an opinion paragraph?

Answer: A specific piece of information that directly supports the reason. Details must connect directly to your main point.

Flashcard 31: What is a quote used for in supporting a reason?

Answer: To use an expert or text statement as evidence. Quotes borrow authority from experts or texts.

Flashcard 32: Identify the reason in this sentence: "Students should wear helmets because they prevent head injuries."

Answer: They prevent head injuries. The word "because" introduces the reason for the opinion.

Flashcard 33: Which detail best supports the reason "Libraries help students learn"?

Answer: They provide many books and resources for research. This detail specifies how libraries support learning.

Flashcard 34: Which sentence is a fact: "Recycling helps" or "Recycling reduces landfill waste"?

Answer: Recycling reduces landfill waste. Specific, measurable claims are facts; vague claims are opinions.

Flashcard 35: Identify the evidence (not the reason): "We should walk to school; it is healthy because it increases daily exercise."

Answer: It increases daily exercise. Evidence provides specific, measurable support for claims.

Flashcard 36: Which option is the strongest support for a reason: a specific example or a vague statement?

Answer: A specific example. Specific examples provide concrete evidence, unlike vague claims.

Flashcard 37: Which detail best supports the reason "Pets teach responsibility"?

Answer: Owners must feed, water, and care for them every day. This detail shows specific daily responsibilities pets require.

Flashcard 38: Which term means information that can be proven true: fact or opinion?

Answer: Fact. Facts can be verified through evidence or research.

Flashcard 39: What is the difference between a reason and evidence in opinion writing?

Answer: Reason = why; evidence = facts and details that prove why. Reasons explain your stance; evidence proves it's valid.

Flashcard 40: What is the purpose of using examples as details in opinion writing?

Answer: To show a clear, specific case that supports the reason. Examples make abstract reasons concrete and relatable.

Flashcard 41: Identify the missing part: Opinion + reason +   makes writing more convincing.

Answer: facts and details (evidence). Evidence strengthens opinions by providing proof.

Flashcard 42: Find and correct the weak support: "We need more books because books are good." What should replace "good"?

Answer: A specific fact or detail (for example, "teach new information"). Replace vague words with concrete benefits or characteristics.

Flashcard 43: Choose the detail that best supports the reason "School lunches should include fruit": A) Fruit is colorful B) Fruit has vitamins

Answer: B) Fruit has vitamins. Vitamins directly relate to health benefits of fruit.

Flashcard 44: Choose the detail most relevant to the reason "We should save water": A) Turn off the tap while brushing B) Water is wet

Answer: A) Turn off the tap while brushing. Turning off taps directly saves water; wetness doesn't.

Flashcard 45: Which transition best introduces a supporting detail: "For example" or "In conclusion"?

Answer: For example. This phrase signals you're providing evidence or illustration.

Flashcard 46: Identify the weak support: "Everyone knows it is true." What should replace it?

Answer: A verifiable fact, statistic, or specific example. Vague claims need concrete evidence to be convincing.

Flashcard 47: Which option is the strongest support: "It is awesome" or "It has 3 safe playgrounds"?

Answer: "It has 3 safe playgrounds". Specific, measurable details are stronger than vague praise.

Flashcard 48: Which transition best signals a reason: "Because" or "In conclusion"?

Answer: Because. This word shows cause-and-effect relationship.

Flashcard 49: Which phrase best signals a reason: "I believe" or "because"?

Answer: Because. "Because" introduces explanations; "I believe" states opinions.

Flashcard 50: Which option is an opinion (not a fact): "The library has 10 computers" or "The library is the best place"?

Answer: The library is the best place. "Best" expresses judgment, while computer count is verifiable.

Flashcard 51: Which option is a fact that could support a reason: "Recess is fun" or "Recess is 20 minutes long"?

Answer: Recess is 20 minutes long. Time duration is measurable and verifiable, unlike "fun."

Flashcard 52: Which sentence is a fact, not an opinion: "The book is exciting" or "The book has 12 chapters"?

Answer: "The book has 12 chapters". Chapter count is verifiable; "exciting" is subjective.

Flashcard 53: What does it mean to support a reason with facts and details?

Answer: Use true information and specific examples to prove the reason. Facts must be verifiable and examples must directly relate to the reason.

Flashcard 54: Identify the reason (not the opinion): "School uniforms are helpful because they reduce distractions."

Answer: They reduce distractions. The reason follows "because" and explains the opinion.

Flashcard 55: What is a reliable source for facts in a school essay?

Answer: A credible book, article, or trusted website. Reliable sources provide accurate, verifiable information.

Flashcard 56: What counts as a fact (not an opinion) in writing?

Answer: A statement that can be proven true with evidence. Facts are verifiable, unlike opinions which are personal views.

Flashcard 57: Which transition best introduces supporting evidence: "for example" or "later"?

Answer: For example. "For example" introduces specific instances; "later" indicates time.

Flashcard 58: Which term means a belief or judgment that cannot be proven true: fact or opinion?

Answer: Opinion. Opinions express personal views that vary between people.

Flashcard 59: What is a relevant detail?

Answer: A detail that directly matches and supports the reason. Relevant means connected to and helpful for the topic.