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8th grade Is the reasoning sound? worksheet

6 printable versionsBuilding Confidence10 questions · answer keyFree · no account

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Is the reasoning sound?

Grade 8 Reading Worksheet - Building Confidence

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Circle the best answer.

  1. Read this first

    More Time to Eat at Ferndale (argument)

    [1] Ferndale Middle School should lengthen lunch from twenty-five minutes to forty. [2] Last Tuesday, a reporter for the school paper timed the line and found that students at the back waited eleven minutes to be served. [3] That left them fourteen minutes to eat, find a seat and return a tray.

    [4] In a survey of sixty students, forty-eight said they often throw away food because the bell rings too soon. [5] The cafeteria's tables were replaced two summers ago with round tables that seat eight.

    [6] Lunch was cut to twenty-five minutes in October, and in November the nurse's office reported more stomachaches, so the shorter lunch is making students sick. [7] Some teachers worry that a longer lunch would cut into class time. [8] The school could make up the minutes by shortening the morning announcements, which now take ten minutes.

    [9] Forty minutes would give students time to finish a full meal and still talk with friends. [10] Ferndale students deserve a lunch period that matches how long it actually takes to eat a meal.

  2. Ari fills in the 'relevant?' column. Which sentence is a true fact that does not help show the claim?

    • [5] The cafeteria's tables were replaced two summers ago with round tables that seat eight.
    • [6] Lunch was cut to twenty-five minutes in October, and in November the nurse's office reported more stomachaches, so the shorter lunch is making students sick.
    • [4] In a survey of sixty students, forty-eight said they often throw away food because the bell rings too soon.
    • [2] Last Tuesday, a reporter for the school paper timed the line and found that students at the back waited eleven minutes to be served.
  3. More Time to Eat at Ferndale (argument)

    [1] Ferndale Middle School should lengthen lunch from twenty-five minutes to forty. [2] Last Tuesday, a reporter for the school paper timed the line and found that students at the back waited eleven minutes to be served. [3] That left them fourteen minutes to eat, find a seat and return a tray.

    [4] In a survey of sixty students, forty-eight said they often throw away food because the bell rings too soon. [5] The cafeteria's tables were replaced two summers ago with round tables that seat eight.

    [6] Lunch was cut to twenty-five minutes in October, and in November the nurse's office reported more stomachaches, so the shorter lunch is making students sick. [7] Some teachers worry that a longer lunch would cut into class time. [8] The school could make up the minutes by shortening the morning announcements, which now take ten minutes.

    [9] Forty minutes would give students time to finish a full meal and still talk with friends. [10] Ferndale students deserve a lunch period that matches how long it actually takes to eat a meal. Flaw key. A coincidence taken for a cause: one thing came after another, so the writer says the first caused the second. A rule drawn from too few cases: a few cases are stretched into a rule for everyone. A false either-or: only two choices are offered when more exist. An attack on the person, not the idea: an idea is dismissed because of who said it. A chain of steps with no evidence: one step is said to lead to a worse one with nothing to show it.

  4. Pia fills in the 'sound?' column for sentence [6]. Which flaw from the key fits it?

    • A rule drawn from too few cases.
    • A chain of steps with no evidence.
    • A coincidence taken for a cause.
    • A false either-or.
  5. Bike Racks for the Quillon Library (argument)

    [1] The town of Quillon should install bike racks outside its library. [2] The library's reading room has a ceiling painted with stars by a local artist in 1998. [3] On a Saturday in May, a volunteer counted nineteen bikes locked to the front railing and the wheelchair ramp. [4] The nearest public bike rack is at the town pool, half a mile down Bell Street.

    [5] Library staff report that bikes block the ramp on most weekends, and visitors in wheelchairs have to wait for someone to move them.

    [6] Either the town builds a rack at the library, or people on bikes will keep blocking the ramp. [7] A rack for twelve bikes would cost about four hundred dollars, according to a quote from a hardware store in town. [8] The library board has said it cannot pay for one this year, but the parks fund still has money left. [9] The town could also paint lines on the pavement to show where bikes may be locked.

    [10] Bike racks would help the library stay open to everyone who wants to visit it, whether they arrive on foot, in a chair or on two wheels.

  6. Bo fills in the 'relevant?' column. Which sentence is a true fact that does not help show the claim?

    • [6] Either the town builds a rack at the library, or people on bikes will keep blocking the ramp.
    • [2] The library's reading room has a ceiling painted with stars by a local artist in 1998.
    • [3] On a Saturday in May, a volunteer counted nineteen bikes locked to the front railing and the wheelchair ramp.
    • [4] The nearest public bike rack is at the town pool, half a mile down Bell Street.
  7. Bike Racks for the Quillon Library (argument)

    [1] The town of Quillon should install bike racks outside its library. [2] The library's reading room has a ceiling painted with stars by a local artist in 1998. [3] On a Saturday in May, a volunteer counted nineteen bikes locked to the front railing and the wheelchair ramp. [4] The nearest public bike rack is at the town pool, half a mile down Bell Street.

    [5] Library staff report that bikes block the ramp on most weekends, and visitors in wheelchairs have to wait for someone to move them.

    [6] Either the town builds a rack at the library, or people on bikes will keep blocking the ramp. [7] A rack for twelve bikes would cost about four hundred dollars, according to a quote from a hardware store in town. [8] The library board has said it cannot pay for one this year, but the parks fund still has money left. [9] The town could also paint lines on the pavement to show where bikes may be locked.

    [10] Bike racks would help the library stay open to everyone who wants to visit it, whether they arrive on foot, in a chair or on two wheels. Matrix columns. Relevant: does the fact help show the claim is true? Enough alone: could this fact support the claim without any other? Sound: does the writer's step from the fact to the claim have no flaw?

  8. Luz fills in the matrix row for sentence [4]. Which row is right?

    • Relevant: no, it is about the pool, not the library. Enough alone: no, it is one distance. Sound: yes, it just gives a distance.
    • Relevant: yes, it shows where riders lock bikes. Enough alone: no, it is one distance. Sound: yes, it just gives a distance.
    • Relevant: yes, it shows where riders lock bikes. Enough alone: no, it is one distance. Sound: no, it assumes riders will walk.
    • Relevant: yes, it shows where riders lock bikes. Enough alone: yes, one distance settles it. Sound: yes, it just gives a distance.
  9. Bike Racks for the Quillon Library (argument)

    [1] The town of Quillon should install bike racks outside its library. [2] The library's reading room has a ceiling painted with stars by a local artist in 1998. [3] On a Saturday in May, a volunteer counted nineteen bikes locked to the front railing and the wheelchair ramp. [4] The nearest public bike rack is at the town pool, half a mile down Bell Street.

    [5] Library staff report that bikes block the ramp on most weekends, and visitors in wheelchairs have to wait for someone to move them.

    [6] Either the town builds a rack at the library, or people on bikes will keep blocking the ramp. [7] A rack for twelve bikes would cost about four hundred dollars, according to a quote from a hardware store in town. [8] The library board has said it cannot pay for one this year, but the parks fund still has money left. [9] The town could also paint lines on the pavement to show where bikes may be locked.

    [10] Bike racks would help the library stay open to everyone who wants to visit it, whether they arrive on foot, in a chair or on two wheels. Flaw key. A coincidence taken for a cause: one thing came after another, so the writer says the first caused the second. A rule drawn from too few cases: a few cases are stretched into a rule for everyone. A false either-or: only two choices are offered when more exist. An attack on the person, not the idea: an idea is dismissed because of who said it. A chain of steps with no evidence: one step is said to lead to a worse one with nothing to show it.

  10. Tala fills in the 'sound?' column for sentence [6]. Which flaw from the key fits it?

    • An attack on the person, not the idea.
    • A false either-or.
    • A coincidence taken for a cause.
    • A chain of steps with no evidence.
  11. A Skate Park for Marlow (argument)

    [1] Marlow should build a skate park on the empty lot on Pine Road. [2] Teenagers now practice in the grocery store parking lot, where the manager has asked them to leave twice this spring because skateboards scratch the pavement. [3] Of the fourteen skaters I spoke with on Saturday, twelve said they would use a park each week. [4] The lot has been unused since 2014, and the town already owns it, so no land would have to be bought.

    [5] In 1952, a traveling circus set up its tent on that same lot for one weekend. [6] A park there would also be near the bus stop on Pine Road, so younger riders could reach it without asking for a ride.

    [7] Councilmember Brandt argues that a skate park would be noisy for nearby homes. [8] But Brandt has not ridden anything faster than a golf cart, so the objection is not worth hearing. [9] The nearest houses are across a wide field, and a row of trees stands between them and the lot. [10] A skate park would give young people a safe place to practice and would keep them out of the grocery store parking lot. Matrix columns. Relevant: does the fact help show the claim is true? Enough alone: could this fact support the claim without any other? Sound: does the writer's step from the fact to the claim have no flaw?

  12. Noah fills in the matrix row for sentence [9]. Which row is right?

    • Relevant: no, it is about houses, not skating. Enough alone: no, it is one worry. Sound: yes, it only describes the land.
    • Relevant: yes, it answers the noise worry. Enough alone: yes, noise is the only worry. Sound: yes, it only describes the land.
    • Relevant: yes, it answers the noise worry. Enough alone: no, it is one worry. Sound: yes, it only describes the land.
    • Relevant: yes, it answers the noise worry. Enough alone: no, it is one worry. Sound: no, it stretches a field into a promise of quiet.
  13. A Skate Park for Marlow (argument)

    [1] Marlow should build a skate park on the empty lot on Pine Road. [2] Teenagers now practice in the grocery store parking lot, where the manager has asked them to leave twice this spring because skateboards scratch the pavement. [3] Of the fourteen skaters I spoke with on Saturday, twelve said they would use a park each week. [4] The lot has been unused since 2014, and the town already owns it, so no land would have to be bought.

    [5] In 1952, a traveling circus set up its tent on that same lot for one weekend. [6] A park there would also be near the bus stop on Pine Road, so younger riders could reach it without asking for a ride.

    [7] Councilmember Brandt argues that a skate park would be noisy for nearby homes. [8] But Brandt has not ridden anything faster than a golf cart, so the objection is not worth hearing. [9] The nearest houses are across a wide field, and a row of trees stands between them and the lot. [10] A skate park would give young people a safe place to practice and would keep them out of the grocery store parking lot. Flaw key. A coincidence taken for a cause: one thing came after another, so the writer says the first caused the second. A rule drawn from too few cases: a few cases are stretched into a rule for everyone. A false either-or: only two choices are offered when more exist. An attack on the person, not the idea: an idea is dismissed because of who said it. A chain of steps with no evidence: one step is said to lead to a worse one with nothing to show it.

  14. Ren fills in the 'sound?' column for sentence [8]. Which flaw from the key fits it?

    • A coincidence taken for a cause.
    • A chain of steps with no evidence.
    • A rule drawn from too few cases.
    • An attack on the person, not the idea.
  15. Later Hours for the Dunmore Pool (argument)

    [1] Dunmore's town pool should stay open until nine o'clock on summer evenings. [2] The pool now closes at seven, just when many parents get home from work. [3] According to the lifeguard's log, fifty-two people were waiting to swim between six and seven on the hottest night in July.

    [4] My neighbor and her two friends swim each evening, so the whole town wants longer hours. [5] The lifeguards say they would work later shifts if the town paid them for the extra time, and two of them have already offered to start in June. [6] The extra hours would cost about nine hundred dollars a week, according to the town's budget office.

    [7] Some residents say the noise would bother neighbors at night. [8] But the pool is surrounded by the park, and the nearest house is two blocks away. [9] The pool's main building was designed by a local architect in 1971, and its tiled entrance is a town landmark. [10] A later closing would let working families use the pool they already help pay for.

  16. Jun fills in the 'relevant?' column. Which sentence is a true fact that does not help show the claim?

    • [9] The pool's main building was designed by a local architect in 1971, and its tiled entrance is a town landmark.
    • [4] My neighbor and her two friends swim each evening, so the whole town wants longer hours.
    • [3] According to the lifeguard's log, fifty-two people were waiting to swim between six and seven on the hottest night in July.
    • [8] But the pool is surrounded by the park, and the nearest house is two blocks away.
  17. Later Hours for the Dunmore Pool (argument)

    [1] Dunmore's town pool should stay open until nine o'clock on summer evenings. [2] The pool now closes at seven, just when many parents get home from work. [3] According to the lifeguard's log, fifty-two people were waiting to swim between six and seven on the hottest night in July.

    [4] My neighbor and her two friends swim each evening, so the whole town wants longer hours. [5] The lifeguards say they would work later shifts if the town paid them for the extra time, and two of them have already offered to start in June. [6] The extra hours would cost about nine hundred dollars a week, according to the town's budget office.

    [7] Some residents say the noise would bother neighbors at night. [8] But the pool is surrounded by the park, and the nearest house is two blocks away. [9] The pool's main building was designed by a local architect in 1971, and its tiled entrance is a town landmark. [10] A later closing would let working families use the pool they already help pay for. Matrix columns. Relevant: does the fact help show the claim is true? Enough alone: could this fact support the claim without any other? Sound: does the writer's step from the fact to the claim have no flaw?

  18. Milo fills in the matrix row for sentence [3]. Which row is right?

    • Relevant: yes, it counts people who want to swim. Enough alone: yes, fifty-two is a large crowd. Sound: yes, it just gives a count.
    • Relevant: yes, it counts people who want to swim. Enough alone: no, it is one night. Sound: no, it assumes the crowd will return.
    • Relevant: no, it counts swimmers, not closing hours. Enough alone: no, it is one night. Sound: yes, it just gives a count.
    • Relevant: yes, it counts people who want to swim. Enough alone: no, it is one night. Sound: yes, it just gives a count.
  19. Later Hours for the Dunmore Pool (argument)

    [1] Dunmore's town pool should stay open until nine o'clock on summer evenings. [2] The pool now closes at seven, just when many parents get home from work. [3] According to the lifeguard's log, fifty-two people were waiting to swim between six and seven on the hottest night in July.

    [4] My neighbor and her two friends swim each evening, so the whole town wants longer hours. [5] The lifeguards say they would work later shifts if the town paid them for the extra time, and two of them have already offered to start in June. [6] The extra hours would cost about nine hundred dollars a week, according to the town's budget office.

    [7] Some residents say the noise would bother neighbors at night. [8] But the pool is surrounded by the park, and the nearest house is two blocks away. [9] The pool's main building was designed by a local architect in 1971, and its tiled entrance is a town landmark. [10] A later closing would let working families use the pool they already help pay for. Flaw key. A coincidence taken for a cause: one thing came after another, so the writer says the first caused the second. A rule drawn from too few cases: a few cases are stretched into a rule for everyone. A false either-or: only two choices are offered when more exist. An attack on the person, not the idea: an idea is dismissed because of who said it. A chain of steps with no evidence: one step is said to lead to a worse one with nothing to show it.

  20. Zee fills in the 'sound?' column for sentence [4]. Which flaw from the key fits it?

    • An attack on the person, not the idea.
    • A rule drawn from too few cases.
    • A false either-or.
    • A chain of steps with no evidence.
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8th grade Is the reasoning sound? worksheet – printable
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About this worksheet

Is the reasoning sound?. Every version has 10 questions, and the answer key prints on the second page.

What your child will learn

  • I can fill in a matrix for an argument: is each sentence relevant, is it enough alone, and is the step from it to the claim sound?
  • I can name the flaw in a faulty step and say what would repair it.
  • I can find the belief a speaker never says and answer the speech at its weakest link, fairly.

Words to know

claim: What the writer wants you to believe

relevant: Helps show the claim is true, not just near the subject

enough alone: Could carry the claim without any other support

sound: The step from the evidence to the claim has no flaw

flaw: A mistake in the reasoning, such as a leap, a false choice or an attack on a person

assumption: A belief the step needs and the speaker never says

pressure: A line that asks for a yes instead of giving a reason

Common mistakes

When judging an argument, your child threw out a fact that does help show the claim. Ask your child what the fact would change in a reader's mind about the claim.

When judging an argument, your child called a small but relevant fact off the topic. Ask your child to answer 'does it help?' and 'is it enough?' as two separate questions.

When judging an argument, your child called a sentence off the topic because its reasoning is faulty. Ask your child whether the sentence is about the claim, and only then whether its step holds.

Questions parents ask

What is the most common mistake with is the reasoning sound??

When judging an argument, your child threw out a fact that does help show the claim. Ask your child what the fact would change in a reader's mind about the claim.

Are these 8th grade reading worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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