Bell ringers: 35 ready-to-use examples for K-12, with answers

A bell ringer is a short task posted on the board for students to begin the moment they come through the door, without waiting for directions. It takes about 3 to 5 minutes, and the class is already working while you take attendance and greet students. Teachers also call it bell work, a warm-up, a do now, an entry task, or morning work in many elementary classrooms. Todd Finley at Edutopia describes bell work as short exercises students complete while the teacher handles attendance and other administrative chores. Dictionaries such as Merriam-Webster still define a bell ringer as a person who rings church bells; this post is about the classroom kind.

Most bell ringer lists name a kind of activity and leave the writing to you. Below, the bell ringers are written out the way you would put them on the board, with the answer under each one, for K-2, grades 3-5, middle school and high school in ELA, math, science and social studies. After the lists come a five-minute routine for running them and a week of bell ringers made in Flint for a 7th grade science class.

A good bell ringer runs without you

• Students can start it alone. The directions fit on the board and need no explaining. If students have to ask what to do, the task is too long or too new.
• It fits in about 5 minutes, including checking the answer. One or two questions is usually enough.
• It uses what students already know. Yesterday's lesson, last week's skill, or a picture anyone can describe. New material belongs in the lesson itself.
• You can check it fast. One right answer, one sentence, or a choice with a reason, so that a minute of walking the room shows you most of the answers.

Five kinds of bell ringers to rotate through the week

Each kind of bell ringer does a different job. Giving each day of the week its own kind keeps the routine familiar while the thinking changes.

One way to set up a week: recall on Monday, practice on Tuesday, look closely on Wednesday, find the mistake on Thursday, and choose and explain on Friday. The examples below are labeled with these kinds so you can mix them.

K-2 bell ringers use pictures, whiteboards and fingers

Most kindergartners and first graders can't read directions on their own yet. Read a K-2 bell ringer aloud or show it as a picture, and have students answer on a mini whiteboard, with a drawing, or by holding up fingers. Keep it to one question.

ELA

Rhyme odd one out (K-1, look closely). Show four pictures: a cat, a hat, the sun and a bat. Say: "Which picture does not rhyme with the others? Draw it on your whiteboard."

Answer: the sun.

Fix the sentence (1-2, find the mistake). Write "my dog can run fast" on the board with no capital letter or period. Say: "Two things are missing from this sentence. Fix it."

Answer: "My dog can run fast." It needs a capital M and a period.

Math

Ten frame (K, practice). Show a ten frame with 7 dots. Say: "How many dots? How many more make 10? Show me the second answer with your fingers."

Answer: 7 dots, and 3 more make 10.

Bigger number (2, choose and explain). "Which is bigger, 46 or 64? Draw tens and ones to prove it."

Answer: 64. It has 6 tens, and 46 has only 4 tens.

Science

Living or not living (K-1, look closely). Show pictures of a rock, a tree, a dog and a cloud. Say: "Draw the living things on your whiteboard."

Answer: the tree and the dog. Ask one student how they knew. Living things grow and need water.

Social studies

Needs and wants (1-2, choose and explain). Show pictures of a glass of water, a toy car, a winter coat and a video game. Say: "Circle the things people need to live. Tell your partner why."

Answer: the water and the coat. Water keeps us alive, and clothing keeps us warm.

Grades 3-5 bell ringers ask for one answer and one piece of proof

Students in grades 3 to 5 can read a short prompt and write a sentence. Ask for the answer plus one piece of proof: a drawing, words from the text, or a number sentence.

ELA

Context clues (3-4, practice). "The puppy was so exhausted after the long hike that it fell asleep on the doormat. What does exhausted mean? Write the words that helped you figure it out."

Answer: very tired. Clues: "long hike" and "fell asleep."

Combine the sentences (4-5, practice). "Join these into one sentence using because, so or but: It started to rain. We ate lunch inside."

Answer: "It started to rain, so we ate lunch inside." or "We ate lunch inside because it started to rain."

Math

Turn-around facts (3, choose and explain). "Is 6 × 7 the same as 7 × 6? Draw two arrays to prove it."

Answer: Yes, both equal 42. One array has 6 rows of 7, and the other has 7 rows of 6.

Compare fractions (4, practice). "Which is bigger, 3/4 or 5/8? Show how you know."

Answer: 3/4. It equals 6/8, and 6/8 is more than 5/8.

Round decimals (5, recall). "Round 4.367 to the nearest tenth. Then round it to the nearest whole number."

Answer: 4.4, then 4.

Science

The disappearing puddle (3-5, recall). "After a sunny afternoon, the puddle on the playground is gone. Where did the water go? Use the word evaporation in your answer."

Answer: The sun's heat made the water evaporate. The water turned into water vapor, a gas, and mixed into the air. Some of it may also have soaked into the ground.

Food chain (4-5, choose and explain). "Grass → rabbit → hawk. Which one is the producer? What would happen to the hawks if the rabbits disappeared?"

Answer: Grass is the producer, because it makes its own food from sunlight. The hawks would lose a food source, so there would be fewer hawks unless they found other prey.

Social studies

250 years (4-5, practice). "The Declaration of Independence was adopted in 1776. How many years ago was that? Write the number sentence."

Answer: 2026 − 1776 = 250 years. In 2027 the answer is 251.

Compass directions (3, look closely). Show a map of the United States. "Which ocean is along the east coast? Which ocean is along the west coast?"

Answer: The Atlantic Ocean is east, and the Pacific Ocean is west.

Middle school bell ringers fit a full problem or a short argument

Middle schoolers can finish a whole problem or write two or three sentences in five minutes. Find-the-mistake bell ringers work well at this age: an error is easier to spot in someone else's work than in your own.

ELA

Name the figurative language (6-7, practice). "Label each one simile, metaphor, personification or hyperbole. (1) My backpack weighs a ton. (2) The wind whispered through the trees. (3) He was as quiet as a mouse. (4) The cafeteria was a zoo."

Answer: (1) hyperbole, (2) personification, (3) simile, (4) metaphor.

Fix the comma splice (7-8, find the mistake). "This sentence is a comma splice. Fix it two different ways: I finished my homework, I went outside."

Answer: Any two of these: "I finished my homework, so I went outside." "I finished my homework; then I went outside." "I finished my homework. I went outside."

Math

Ratios (6, practice). "A recipe uses 3 cups of flour for every 2 eggs. How much flour do you need for 6 eggs?"

Answer: 9 cups. Six eggs is 3 times as many, so 3 × 3 = 9.

Subtracting negatives (7, find the mistake). "A student wrote: −4 − (−6) = −10. What went wrong? What is the right answer?"

Answer: Subtracting −6 is the same as adding 6, so −4 + 6 = 2. The student added the two negative numbers instead.

Point on a line (8, practice). "Is the point (3, 7) on the line y = 2x + 1? Show your work."

Answer: Yes. 2(3) + 1 = 7.

Science

Seasons (6-8, find the mistake). "True or false: it is summer when Earth is closest to the sun. Explain in two sentences."

Answer: False. Seasons happen because Earth's axis is tilted about 23.5 degrees, so each hemisphere gets more direct sunlight for part of the year. Earth is closest to the sun in early January, during winter in the Northern Hemisphere.

Forces on a falling ball (7-8, recall). "A ball rolls off a table and falls to the floor. Name two forces acting on the ball while it falls. Which one is bigger?"

Answer: Gravity pulls it down, and air resistance pushes against its motion. Gravity is bigger, which is why the ball speeds up as it falls.

Social studies

Founding documents in order (8, recall). "Put these in order and write the year of each: the Bill of Rights is ratified, the Declaration of Independence is adopted, the Constitution is signed, the Articles of Confederation are ratified."

Answer: Declaration of Independence (1776), Articles of Confederation (1781), Constitution (1787), Bill of Rights (1791).

Rivers and the first cities (6, look closely). Show a map of Mesopotamia. "Some of the first cities grew up between the Tigris and Euphrates rivers. Give two reasons people would settle there."

Answer: Any two: water for drinking and crops, floods that left rich soil for farming, fish to eat, and rivers for travel and trade.

High school bell ringers can be one exam-style question

A high school bell ringer can be a single question written like the unit test, the AP exam or your state test. Students answer alone for three minutes, then compare with a partner before you show the answer.

ELA

Make the thesis arguable (9-10, find the mistake). "Rewrite this thesis so a reader could disagree with it: The Great Gatsby is a novel set in the 1920s."

Answer (one example): "In The Great Gatsby, Fitzgerald shows that new money in the 1920s could buy a mansion but not acceptance from old money." Check that each rewrite takes a position someone could argue against.

Semicolon with a transition (10-12, practice). "Join these with a semicolon and a transition word: The test was difficult. Most students passed."

Answer: "The test was difficult; however, most students passed." Nevertheless and still also work.

Math

Factoring (Algebra 1, practice). "Factor x² + 5x + 6. Then multiply your answer out to check it."

Answer: (x + 2)(x + 3). Check: x² + 3x + 2x + 6 = x² + 5x + 6.

Missing angle (Geometry, recall). "Two angles of a triangle measure 47° and 68°. Find the third angle."

Answer: 180° − 47° − 68° = 65°.

Exponential equations (Algebra 2, practice). "Solve 2^x = 32. Then solve 2^x = 1/8."

Answer: x = 5, because 2⁵ = 32. x = −3, because 2⁻³ = 1/8.

Science

Punnett square (Biology, practice). "Two parents are both Aa for a trait, and a is recessive. What fraction of their offspring would you expect to show the recessive trait? Draw the Punnett square."

Answer: 1/4. The square gives AA, Aa, Aa and aa, and only aa shows the recessive trait.

Inside an atom (Chemistry, recall). "How many protons, neutrons and electrons are in a neutral atom of carbon-14?"

Answer: 6 protons, 8 neutrons and 6 electrons.

Acceleration (Physics, practice). "A car speeds up from 0 to 20 m/s in 4 seconds. What is its acceleration?"

Answer: (20 m/s − 0 m/s) ÷ 4 s = 5 m/s².

Social studies

A line from 1933 (U.S. History, look closely). Project this line from Franklin D. Roosevelt's first inaugural address of March 4, 1933: "the only thing we have to fear is fear itself." Ask: "What crisis was the country in? Why would a new president open with this line?"

Answer: The Great Depression. By March 1933 banks were failing and many people were pulling out their savings. Roosevelt wanted to calm the panic and show he would act.

Voting age (Government, recall). "Which amendment lowered the voting age from 21 to 18? What war was the United States fighting when it was ratified?"

Answer: The 26th Amendment, ratified in 1971, during the Vietnam War.

Causes of World War I (World History, choose and explain). "Rank these causes of World War I from most to least important, and defend your top choice in two sentences: alliances, militarism, nationalism, and the assassination of Archduke Franz Ferdinand in 1914."

Answer: There's no single right ranking. Look for a reason backed by evidence, such as how the alliance system turned a conflict between Austria-Hungary and Serbia into a war among Europe's major powers.

How to run a bell ringer in 5 minutes

• Post it in the same place every day. Use the same corner of the board or the first slide of the day. Students stop asking what to do once they know where to look.
• Practice the routine in the first week. Have students walk in and start a bell ringer two or three times in one period if that's what it takes for the routine to run without reminders.
• Add an "if you finish" line. A harder second question under the first keeps fast finishers busy until the timer ends.
• Keep the stakes low. Check for completion as you walk, or collect a week of bell ringers on Friday and skim them.
• Run it together in K-2. Read the prompt aloud twice, give students 2 minutes on their whiteboards, then count down for everyone to hold boards up at once.
• Keep a week of them in your sub folder. A bell ringer students already know how to do gives a substitute a calm first five minutes.

Bell ringers are one of the routines in our post on classroom management strategies, alongside seating and visual reminders.

Bell ringers, lesson hooks and exit tickets do different jobs

All three take a few minutes. They happen at different points in a class.

• A bell ringer comes before you teach. Students do it on their own, and it usually reviews what they already learned.
• A lesson hook is how you open a new lesson yourself, to make students curious about what comes next. Flint's lesson hook generator writes hooks for any topic.
• An exit ticket comes at the end of class and checks what students learned that day. A question students missed on today's exit ticket makes a good recall bell ringer tomorrow.

For practice bell ringers in math that mix skills from earlier units, the math spiral review generator makes review problems. For a quick multiple choice check at the start of class, use the quiz generator.

A week of bell ringers made in Flint

We sent the card's starter message to Sparky on Flint's staging site, signed in as a test teacher. Sparky first asked for the grade, the subject and the current unit. The class details we gave: 7th grade science, a cells unit on the parts of a cell, what each part does and how plant and animal cells differ, with 50-minute periods and about 5 minutes per bell ringer. Sparky answered with a document: one bell ringer for each day, Monday to Friday, each followed by a teacher answer key.

The other two days were a labeled plant cell diagram (Tuesday) and a vocabulary match of four cell parts to their functions (Friday). We checked every answer key as a 7th grade science teacher would, and all five are correct. Two things are worth a look before you use them: drawing and labeling five parts of a plant cell in 5 minutes is tight for some classes, and Friday's match includes the endoplasmic reticulum, which not every 7th grade cells unit covers. To change either one, ask Sparky in the same chat, for example "Make Tuesday a label-the-diagram task instead of a drawing."

FAQ

What is a bell ringer?

A bell ringer is a short task posted on the board for students to begin the moment they arrive, without waiting for directions. It usually takes 3 to 5 minutes and reviews something students already learned, while the teacher takes attendance.

What else are bell ringers called?

Bell work, warm-ups, do nows, entry tasks and openers. Elementary teachers often call the same routine morning work. The names mean the same thing: a short task students begin without waiting for directions.

How long should a bell ringer take?

About 5 minutes, including going over the answer. If students regularly need longer, cut the bell ringer down to one question.

Should bell ringers be graded?

Most teachers keep them low-stakes: a completion check, or a weekly look at the bell ringer notebook. The answers are most useful to you as a quick read of what the class remembers.

Can you give me some examples of bell ringers?

A few from the lists above: "Which is bigger, 3/4 or 5/8? Show how you know." "A student wrote −4 − (−6) = −10. What went wrong?" "True or false: it is summer when Earth is closest to the sun." "Rewrite this thesis so a reader could disagree with it." Each one fits in 5 minutes and has a clear answer to check.