Best Opening Sentence — Choose the best opening sentence...

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Why Opening Sentences Matter

Have you ever picked up a book, read the first line, and immediately wanted to keep reading? That's the power of a great opening sentence. Writers have known for centuries that the first sentence of any piece of writing sets the tone for everything that follows.

On the SHSAT, you will see questions that ask you to choose the best opening sentence for a short passage. This skill tests whether you can figure out what a passage is mainly about and pick the sentence that introduces that topic clearly. Let's look at how this idea has developed over time.

~350 BCE

Aristotle's Rhetoric

The Greek philosopher Aristotle taught that every speech or essay needs a strong beginning that grabs attention and states the subject.

1800s

The Rise of Paragraphs

Teachers began stressing that each paragraph should start with a clear topic sentence that tells the reader what the paragraph is about.

1900s

Journalism & the "Lead"

Newspaper reporters perfected the art of the opening sentence — called the "lead" — to hook readers and summarize the story's main point right away.

2000s

Standardized Tests

Tests like the SHSAT began including questions that ask students to choose the best opening sentence for a passage, testing reading comprehension and writing awareness.

So here's the big question these test items are really asking: Can you read a passage, identify its main idea, and choose the sentence that best introduces that idea? Let's break down exactly how to do that.

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Core Principles of a Strong Opening Sentence

Not every sentence can be a good opener. A strong opening sentence does specific jobs. Think of these as the rules that separate a great opening from a weak one.

Introduces the Main Idea

The opening sentence should tell the reader what the whole passage is about. It acts like a preview or a headline for everything that follows.

Is General, Not Too Specific

A good opener covers the big picture. It should not jump into a tiny detail or example — those belong later in the passage.

Connects to What Follows

The rest of the passage should flow logically from the opening sentence. If the sentences after it don't make sense, it's not the right opener.

Sets the Right Tone

If the passage is informational, the opening should sound informational. If it's persuasive, the opener should hint at the writer's opinion.

Does Not Repeat or Summarize the End

A strong opening sets things up — it doesn't give away the conclusion. It should make the reader want to keep reading to learn more.

✦ KEY TAKEAWAY

Think of a passage like a movie trailer. The opening sentence is like the trailer — it gives you a preview of what the whole movie (passage) is about without spoiling the ending. If the trailer shows scenes from a completely different movie, you'd be confused. The same is true for an opening sentence that doesn't match the passage.

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How an Opening Sentence Fits Into a Passage

The diagram below shows how a well-structured passage works. Notice that the opening sentence sits at the very top and connects to every supporting detail below it. Each supporting sentence adds information that relates back to the opener.

This diagram shows how the opening sentence at the top introduces the main idea. All supporting details branch from it, and the closing sentence wraps everything up.

When you look at this diagram, you can see that the opening sentence is like the roof of a house. Everything underneath it is supported by it. If you pick the wrong opening sentence, it's like putting a roof on the wrong house — nothing fits together.

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How to Find the Best Opening Sentence — A Step-by-Step Method

Now that you understand what an opening sentence does, let's learn a step-by-step method you can use every time you see this type of question on the SHSAT. Think of this as your game plan.

The 4-Step Strategy: R-I-E-C

R — Read the Whole Passage

Read every sentence in the passage first. Don't rush to the answer choices. You need to understand the full picture before you can pick the right beginning.

I — Identify the Main Idea

Ask yourself: "What is this passage mostly about?" Try to state the main idea in your own words. This is your compass for choosing the right opener.

E — Eliminate Wrong Choices

Cross out any answer choice that is too specific, off-topic, or better suited for the middle or end of the passage. Wrong answers often contain details, not main ideas.

C — Check the Connection

Read your chosen sentence, then immediately read the second sentence of the passage. Do they flow together smoothly? If yes, you likely have the right answer.

💡 SHSAT Tip

On the real test, the passage will have a blank or a numbered spot where the opening sentence should go. The rest of the passage is already written. Your job is to find the answer choice that fits perfectly into that spot.

Remember the acronym R-I-E-C: Read, Identify, Eliminate, Check. Using these four steps will help you avoid common traps and pick the best answer with confidence.

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Types of Wrong Answers and How to Spot Them

The SHSAT test-makers are clever. They design wrong answer choices that look tempting. Learning to recognize these traps will save you time and help you score higher. Let's study the most common types of wrong answers.

This chart compares common wrong-answer traps on the left with correct answer traits on the right. The flowchart at the bottom shows a quick way to test each answer choice.

Let's look at each trap more closely. A too-specific answer dives into a small detail from the middle of the passage. For example, if the passage is about the benefits of recycling, a too-specific wrong answer might say "Aluminum cans can be recycled over and over again." That's a detail, not a main idea.

An off-topic answer brings in something the passage never discusses. A conclusion sentence sounds like a wrap-up — it might use words like "In conclusion" or "Overall." That kind of sentence belongs at the end, not the beginning.

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Worked Example: Choosing the Best Opening Sentence

Let's walk through a full example together, just like you'd see on the SHSAT. We'll use the R-I-E-C method step by step.

📄 Sample Passage

[1] ___________. [2] These tiny organisms live in the soil and break down dead leaves and plants. [3] Without them, forests would be buried under layers of fallen material. [4] Scientists have discovered that a single teaspoon of healthy soil can contain billions of microorganisms. [5] This process of decomposition also returns important nutrients to the soil, helping new plants grow. [6] Clearly, decomposers play a larger role in our ecosystems than most people realize.

📝 Answer Choices

(A) There are many types of bacteria found in different environments. (B) Decomposers are small but incredibly important organisms in nature. (C) In conclusion, decomposers are essential to life on Earth. (D) A teaspoon of soil might look boring, but it is full of surprises.

Applying the R-I-E-C Strategy

Step 1 — Read the Whole PassageRead sentences [2] through [6]. The passage talks about decomposers — tiny organisms that break down dead plants, return nutrients to soil, and are more important than people think.

Step 2 — Identify the Main IdeaAsk yourself: "What is this passage mostly about?" The main idea is that decomposers are small but play a huge role in ecosystems. Write this in your head before looking at the choices.

Step 3 — Eliminate Wrong ChoicesChoice (A) talks about bacteria in different environments — this is off-topic because the passage is specifically about decomposers in soil, not bacteria in general. Eliminate it. Choice (C) starts with "In conclusion" — this sounds like a closing sentence, not an opening. Eliminate it. Choice (D) talks about a teaspoon of soil being surprising — this is too specific and only matches sentence [4]. Eliminate it.

Step 4 — Check the ConnectionRead choice (B) followed by sentence [2]: "Decomposers are small but incredibly important organisms in nature. These tiny organisms live in the soil and break down dead leaves and plants." Does it flow? Yes — sentence [2] naturally continues by explaining what decomposers do.

The best answer is (B). It introduces the main idea (decomposers are important), is general enough, and flows smoothly into sentence [2].

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Strengths of Good Openers vs. Common Pitfalls

Let's compare what makes an opening sentence strong and what makes it weak. This table will help you quickly judge each answer choice on test day.

Use this checklist to evaluate each answer choice.

Quality	Strong Opening ✅	Weak Opening ❌
Scope	Broad enough to cover the whole passage	Focuses on one small detail
Topic Match	Same subject as the rest of the passage	Introduces a different topic entirely
Tone	Matches the writing style of the passage	Sounds too casual, too formal, or too emotional
Flow	Connects smoothly to the next sentence	Creates a jarring jump to sentence [2]
Position	Feels like a natural beginning	Sounds like a conclusion or middle sentence

✦ KEY TAKEAWAY

Think of the opening sentence like the title screen of a video game. It should tell you what kind of game you're about to play — adventure, puzzle, sports. If the title screen says "Space Battle" but the game is about cooking, something went wrong. The best opening sentence tells you exactly what kind of "game" (passage) you're reading.

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Connecting to Broader Writing Skills

Choosing the best opening sentence isn't just a test skill. It connects directly to the writing you'll do in high school, college, and beyond. Understanding opening sentences is really about understanding paragraph structure and thesis statements (the main claim of an essay).

SHSAT skills build a foundation for advanced writing.

Skill on the SHSAT	Advanced Writing Skill
Choose the best opening sentence for a passage	Write a strong thesis statement for an essay
Identify the main idea to pick the opener	Determine the central argument of a research paper
Eliminate too-specific or off-topic choices	Revise your own writing to remove sentences that don't fit
Check that the opener flows into sentence 2	Use transitions to connect ideas smoothly

In high school, you'll write essays where you need to craft your own opening sentences. The same rules apply: introduce the main idea, set the tone, and lead smoothly into the supporting details. Mastering this skill now gives you a head start.

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Practice Problems

Now it's your turn. Try these five practice problems. Each one gets a little harder. Use the R-I-E-C strategy for every question!

PROBLEM 1 — CONCEPTUAL

Which of the following best describes what a good opening sentence should do? (A) Give a surprising statistic from the middle of the passage. (B) Introduce the main idea of the entire passage. (C) Summarize everything the passage discussed. (D) Ask a question that is never answered.

PROBLEM 2 — BASIC

Read the passage below and choose the best opening sentence. [1] ___________. [2] They can run at speeds of up to 70 miles per hour. [3] Their spotted coat helps them blend in with the tall grass of the savanna. [4] Unlike most big cats, cheetahs cannot roar, but they can purr. [5] These amazing animals are considered the fastest land animals on Earth. (A) Lions are known as the kings of the jungle. (B) Cheetahs are fascinating creatures with many unique features. (C) Overall, cheetahs deserve more protection from governments. (D) The savanna is home to many types of animals.

PROBLEM 3 — INTERMEDIATE

Read the passage below and choose the best opening sentence. [1] ___________. [2] Before refrigeration existed, people used salt, smoke, and drying to keep food from spoiling. [3] In the early 1800s, inventors began experimenting with cooling machines. [4] By the 1920s, home refrigerators became available, changing how families stored and purchased food. [5] Today, refrigeration is considered one of the most important inventions in human history. (A) Many people take their kitchen appliances for granted. (B) The history of food preservation shows how technology has changed daily life. (C) Home refrigerators from the 1920s were very different from modern ones. (D) Salt has been used for thousands of years to preserve meat and fish.

PROBLEM 4 — APPLIED

Read the passage below and choose the best opening sentence. [1] ___________. [2] Studies show that students who eat breakfast score higher on tests and have better concentration throughout the morning. [3] A balanced breakfast should include protein, whole grains, and fruit. [4] Unfortunately, many students skip breakfast because they feel too rushed in the morning. [5] Schools that offer free breakfast programs have seen improvements in both attendance and grades. [6] Making time for a morning meal can make a real difference in a student's school day. (A) Lunch is the most popular meal for students at school. (B) Eating breakfast every day is one of the simplest ways students can improve their performance at school. (C) Free breakfast programs cost schools a lot of money each year. (D) Students should also make sure to get enough sleep each night.

PROBLEM 5 — CRITICAL THINKING

Read the passage below. Two of the answer choices seem to fit. Choose the BEST one and explain why it is better than the other strong option. [1] ___________. [2] During the Renaissance, artists like Leonardo da Vinci studied human anatomy to make their paintings more realistic. [3] At the same time, scientists like Galileo used artistic techniques such as perspective drawing to illustrate their discoveries. [4] This exchange of ideas between art and science led to breakthroughs in both fields. [5] Even today, designers and engineers work together to create technology that is both functional and beautiful. (A) Leonardo da Vinci was a talented painter who lived during the Renaissance. (B) Throughout history, art and science have influenced each other in surprising ways. (C) Art and science may seem like opposites, but they have a long history of working together. (D) Many modern engineers study art to improve their product designs.

SUMMARY

Lesson Summary

When the SHSAT asks you to choose the best opening sentence, your job is to find the sentence that introduces the main idea of the entire passage. Use the R-I-E-C strategy: Read the whole passage, Identify the main idea, Eliminate wrong answers (too specific, off-topic, or conclusion-sounding), and Check that your choice flows smoothly into the second sentence.

Remember: a strong opening sentence is general enough to cover the whole passage, matches the passage's topic and tone, and connects logically to the sentences that follow. Watch out for common traps like answers that are too specific, off-topic, or sound like a conclusion. Master this skill, and you'll be ready for the revising and editing section of the SHSAT!