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If You Can Do 11/15 of These Math Problems in Your Head, We’ll Be Impressed!

No pen and paper allowed.

9 comments

People who are amazingly fast at solving math problems in their heads might seem smarter than other people, but that's probably not true. With the help of some mental math tricks, and practice through quizzes like this one, you can do the same too.

Being able to calculate quickly in the head will not just help you in school but in everyday life as well. Calculators are awesome, but they're not always handy. More to the point, no one wants to be seen reaching for the calculator on their mobile phone when it's time to figure out a 15 percent gratuity.

Mental math isn't as difficult as it might sound, and you may be surprised at how easy it is to make seemingly impossible calculations without a calculator, pen and paper.

Have a go at this quiz and test your mental agility for the next 10 minutes. Try to solve these math problems using nothing but your beautiful brain and see if you can get a perfect score.

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9 Comments

โš ๏ธ May contain spoilers
  1. ๐ŸŽ–๏ธ 279Bill unlocked 279 badges
    Grandmaster
    Bill has completed over 1000 quizzes in total
    · 5mo ago

    15/15

  2. ๐ŸŽ–๏ธ 181desert andy unlocked 181 badges
    227d
    desert andy is on a 227-day streak!
    Grandmaster
    desert andy has completed over 1000 quizzes in total
    Legendary
    desert andy is the legendary commenter!
    desert andy is the #6 top scorer in trivia this monthdesert andy is ranked 10th for highest XP earned this month
    Money Jr
    · 5mo ago

    15/15

    The bigger the numbers in the question, the greater the need to break them down into multiple sub-answers, which are then combined.

  3. ๐ŸŽ–๏ธ 361MARK MORRALL unlocked 361 badges
    105d
    MARK MORRALL is on a 105-day streak!
    Grandmaster
    MARK MORRALL has completed over 1000 quizzes in total
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    MARK MORRALL is the comment megastar!
    MARK MORRALL is the #12 top scorer in trivia this monthMARK MORRALL is ranked 16th for highest XP earned this month
    FELICIA
    · 5mo ago

    I got 10 out of 15 – 66%
    Oh dear, you did not do as well as we had hoped but that’s alright. This quiz is really tough without a calculator and it is perfectly normal to miss a few questions. Good try nonetheless!

    Think your friends and family can pass this math quiz? Share this quiz and letโ€™s see how well they do!

    28 / 12 / 60

  4. ๐ŸŽ–๏ธ 223callaghankira1 unlocked 223 badges
    253d
    callaghankira1 is on a 253-day streak!
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    callaghankira1 has completed over 1000 quizzes in total
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    callaghankira1 is the comment superstar!
    callaghankira1 is the #27 top scorer in trivia this monthcallaghankira1 is ranked 22nd for highest XP earned this month
    Milo
    · 5mo ago

    15/15
    You are a Math Whiz! This quiz is really tough without a calculator, but you managed to pass with flying colors! Whether you actively use math in your career, or you just have a math mind, you are obviously a smart person!

  5. · 1y ago

    I got 15 out of 15!
    Some of the questions I did not learn yet, and a lot of them I thought I couldnโ€™t do in my head, but I did it!

  6. ๐ŸŽ–๏ธ 87Xilaaa unlocked 87 badges
    Master
    Xilaaa has completed over 200 quizzes in total
    Xilaaa's Black & Tan Pup
    · 1y ago

    I scored 13/15, and i am concerned about the 36% i did better than…

  7. ๐ŸŽ–๏ธ 4Amelia Bryan unlocked 4 badges
    Adept Player
    Amelia Bryan has completed over 10 quizzes in total
    · 1y ago

    I didnโ€™t know I could get 15/15 correct Iโ€™m 11 and in 5th grade thatโ€™s saying something

  8. 2๐Ÿฅ‰
    Janet has achieved 2x 3rd place finishes
    ๐ŸŽ–๏ธ 202Janet unlocked 202 badges
    627d
    Janet is on a 627-day streak!
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    Janet has completed over 1000 quizzes in total
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    Janet's comments are on the rise!
    Janet is the #19 top scorer in trivia this monthJanet is ranked 43rd for highest XP earned this month
    · 1y ago

    14/15. Didn’t know I could do that? ๐Ÿ˜ƒ

  9. ๐ŸŽ–๏ธ 15๐“–๐“ต๐“ช๐“ญ๐“ฒ๐“ธ๐“ท ๐““. ๐“Ÿ๐“ฒ๐“ฎ๐“ป๐“ฌ๐“ฎ unlocked 15 badges
    Expert
    ๐“–๐“ต๐“ช๐“ญ๐“ฒ๐“ธ๐“ท ๐““. ๐“Ÿ๐“ฒ๐“ฎ๐“ป๐“ฌ๐“ฎ has completed over 100 quizzes in total

If You Can Do 11 Of Math Problems In Your Head, We'll Bโ€ฆ Quiz Questions

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