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IQ Tester

How to Improve Logical Reasoning Skills: 8 Daily Drills

7 min read · IQ Tester

The best way to improve logical reasoning skills is to practise the individual moves that logic is made of: writing a chain of steps down, working with if-then statements, finding the assumption an argument hides, and spotting where it breaks. Eight short drills, about ten minutes a day, cover all of them. Below, each drill comes with an example you can try right now.

If you lose the thread halfway through a chain of reasoning, IQ Tester checks whether logic chains are really your weak spot and trains them daily: Find my weak spots.

What logical reasoning is

Logical reasoning is working out what must be true, given what you know. It's the skill behind:

Can logical reasoning be improved? Yes. It isn't one magical ability. It's a handful of moves you can practise one at a time, like the moves in a sport.

The core moves

Move What it means Drill numbers
Chaining Linking facts step by step 1, 2
If-then Knowing what a conditional does and doesn't tell you 3, 4
Assumptions Finding the unstated step 5
Flaws Seeing where an argument breaks 6
Puzzles Putting all of the above together 7, 8

Write the chain down

Most logic mistakes don't come from bad thinking. They come from holding too many steps in your head and dropping one. Writing them down fixes that instantly.

Drill 1: The arrow chain (2 minutes)

Take a set of facts and write them as arrows.

Ana is taller than Ben. Ben is taller than Cal. Dev is shorter than Cal.

Write: Ana > Ben > Cal > Dev

Now any question is easy. Who's second shortest? Cal. Is Ana taller than Dev? Yes.

Do three of these a day. Make up your own with friends, sports teams or school grades.

Drill 2: Missing link (2 minutes)

Write a chain with one gap and fill it.

The game is cancelled if the field is flooded. ___. So the game is cancelled.

The missing link: "The field is flooded." Filling the gap trains you to see every step a conclusion needs.

If-then practice

If-then statements are where people trip most, so they deserve two drills. Here's the core rule:

"If it rains, the match is cancelled."

Drill 3: Valid or not? (3 minutes)

For each statement below, say valid or not valid, then say why.

  1. If you're in the band, you practise on Tuesdays. Jo practises on Tuesdays. So Jo is in the band.
  2. If a shape is a square, it has four sides. This shape doesn't have four sides. So it isn't a square.
  3. If I finish my homework, I can play. I didn't finish. So I can't play.

(Answers: 1 is not valid, others might practise Tuesdays too. 2 is valid. 3 is not valid, strictly: the rule doesn't say finishing homework is the only way to be allowed to play.)

Drill 4: Flip it (2 minutes)

Take any if-then rule and write its valid flip (the "contrapositive"): "If not the result, then not the cause." "If it's a mammal, it has hair" becomes "If it has no hair, it isn't a mammal." Five a day makes this automatic.

Find the hidden assumption

Every argument skips something. Good logical thinkers notice what's skipped.

"Maya scored the most goals this season, so she's the best player on the team."

Hidden assumption: the best player is the one who scores the most goals. But what about defenders or the goalkeeper?

Drill 5: Name the gap (2 minutes)

Find one ad, headline or opinion post a day, and write: "This only works if ___." It sharpens critical thinking skills fast, and it's surprisingly fun.

This is the step that's hardest to practise alone, because you can't tell when you've missed a gap. You only see the gaps you already see. IQ Tester's 16 questions check whether logic chains, working memory or scattered attention is where your reasoning slips, and your daily drill (with tips like "Name the rule out loud") leans toward whichever one it is. Find my weak spots

Spot the flaw

Once you can find assumptions, the next step is spotting arguments that just don't work. You don't need fancy names for logical fallacies, but a few examples help.

Flaw Example What's wrong
Too small a sample "My two friends hated it, so the movie is bad." Two people isn't everyone
Correlation vs cause "Kids who eat breakfast get better grades, so breakfast raises grades." Something else could explain both
False choice "Either you're with us or against us." There are other options
Reversed if-then "Good students study, and I study, so I'm a good student." Same mistake as Drill 3
Moving the goalposts "Fine, it worked, but it didn't work fast enough." The standard changed

Drill 6: One flaw a day (2 minutes)

Write one weak argument you heard today and label the flaw in plain words. Don't worry about official names. "They only asked two people" is perfect.

Logic puzzles as training

Puzzles combine chaining, if-then and elimination. They're the best way to practise logical reasoning in a way that doesn't feel like homework.

Drill 7: A logic grid (5 minutes)

Logic grid puzzles give you clues like "The person who owns the cat isn't Priya." You mark what's impossible and deduce the rest. We walk through a full example in how to solve logic grid puzzles.

Drill 8: Truth-teller puzzle (3 minutes)

On an island, knights always tell the truth and knaves always lie. A says: "B is a knave." B says: "We are both knights."

Try it: if B were a knight, B's statement would be true, so A would be a knight too, but then A's claim that B is a knave would be false, which a knight can't say. So B is a knave. Then A told the truth, so A is a knight. A is a knight, B is a knave.

For more techniques and a path from easy to hard puzzles, see how to get better at logic puzzles.

A weekly plan

Here's how to develop logical reasoning skills without it taking over your week. About ten minutes a day.

Day Drills Focus
Mon 1, 2 Chains
Tue 3, 4 If-then
Wed 5, 6 Assumptions and flaws
Thu 7 Logic grid
Fri 8, 3 Truth-tellers and if-then review
Sat Any puzzle you enjoy Fun practice
Sun Rest Let it settle

Tips to make it stick:

Build stronger logic chains starting now

You now know how to improve logical reasoning skills: practise the moves one at a time. In the next two minutes, IQ Tester's 16 questions give you a reasoning tier and pin down whether logic chains are your weak spot (or something like working memory), then hand you one tip and one ten-minute drill each day, with a streak and history so you can see your progress.

Find my weak spots

FAQ

Can logical reasoning be improved?

Yes. Logical reasoning is made of learnable moves like chaining facts, handling if-then statements and spotting assumptions. Short daily practice on each move builds the skill over a few weeks.

How do I improve logical thinking as a student?

Write reasoning chains down instead of holding them in your head, practise if-then questions, and do a logic puzzle a few times a week. Explaining your steps out loud helps you catch gaps.

What are good logical reasoning exercises for beginners?

Arrow chains (who is taller than whom), valid-or-not if-then statements and easy logic grid puzzles are great starting points. They're short, and each one trains a single skill.

How do I improve logical reasoning and problem-solving skills together?

Use problems that need both, like logic puzzles and word problems. Break each into steps, write the chain, and check your answer against every clue before you commit.

How long does it take to get better at logical reasoning?

Many people notice they're faster and make fewer mistakes after two to three weeks of daily practice. The biggest early gains usually come from writing steps down and learning the if-then rules.

Free IQ test: 20 questions across four categories of reasoning. Sign in with Google, no time limit. Take it free and see how you did.

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