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Fast Math - Multiplication

Try to beat the clock by answering these randomly-generated multiplication problems in your head.
This quiz changes every time you play!
Quiz by Quizmaster
Rate:
Last updated: September 3, 2018
You have not attempted this quiz yet.
First submittedDecember 22, 2012
Times taken838,764
Average score75.0%
Rating4.65
2:30
Enter answer here:
0
 / 20 guessed
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Scoring
You scored / = %
This beats or equals % of test takers also scored 100%
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Keep scrolling down for answers and more stats ...
 Problem 
Solution
11 x 54
594
45 x 7
315
22 x 24
528
5 x 7
35
9 x 9
81
 Problem 
Solution
65 x 7
455
8 x 9
72
10 x 20
200
2 x 48
96
4 x 83
332
 Problem 
Solution
17 x 17
289
4 x 80
320
89 x 6
534
42 x 7
294
81 x 4
324
 Problem 
Solution
44 x 9
396
42 x 13
546
2 x 94
188
6 x 55
330
22 x 8
176
+1
Level 18
Mar 30, 2014
20/20 with 20 seconds left ! Wow

Who gets better?

+1
Level 75
Apr 1, 2014
20/20 with 56 left
+1
Level 68
Apr 23, 2016
20/20 with 0:57 left
+1
Level 27
Apr 29, 2016
20/20 with 1:11 left :-)
+1
Level 59
Sep 8, 2021
20/20 with 1:12 left
+1
Level 19
Jan 27, 2019
20/20 with 1:35
+1
Level 15
Apr 20, 2023
got it in 01:03
+1
Level 8
Apr 2, 2014
100% 1:12 left :)
+3
Level 78
Apr 30, 2014
It almost ruined my mental math skills when they allowed calculators in my high school classes! Still I got 18/20. Great quiz, by the way!
+2
Level 78
Dec 12, 2020
40 seconds left now. Seems I have recovered.
+1
Level 31
Apr 30, 2014
Like this, 100% with 45 to go.
+2
Level 56
Apr 30, 2014
Never been much good at maths :(
+1
Level 9
May 12, 2014
1:37 full marks! Still in school though
+1
Level 70
Aug 2, 2014
20/20 with 44 seconds left...not bad for a fifty-year-old who has been out of school for almost 30 years.
+1
Level 85
Aug 5, 2014
1:46 left
+1
Level 36
Aug 23, 2014
20/20, first try, with 0:41 left. Very fun!
+1
Level 65
Sep 2, 2014
with 70 seconds to spare
+1
Level 38
Sep 29, 2014
did all orally 1:07 remaining
+1
Level 18
Oct 29, 2014
36 secs left!
+2
Level 77
Nov 13, 2014
16/20 on this try. I guess it depends a bit on how many easy ones you get too. The ones I didn't have time for were: 24x18, 14x23, 33x17 and 71x8. Yes, the last one of those would've been easy, but didnt spot it when doing others.
+2
Level 59
Sep 8, 2021
that's sillie
+1
Level 28
Aug 28, 2023
You can break up 24 * 18 into (20 + 4) * (10 + 8)

and quickly work out (20 * 10) + (20 * 8) + (4 * 10) + (4 * 8)

+1
Level 16
Nov 16, 2014
Only got 17/20 first try
+1
Level 15
Nov 21, 2014
First try 26 seconds left, 100%
+1
Level 23
Nov 30, 2014
20/20 with 1:29 left. U should be able to work these out quickly.
+1
Level 23
Nov 30, 2014
Btw this was 1st try
+3
Level 83
Nov 1, 2016
Would you like a cookie?
+1
Level 58
Nov 24, 2016
hahahaha
+1
Level 49
Dec 1, 2016
im so good i was finished before i even begun.......
+1
Level 16
Dec 10, 2014
20/20 1 minute 59 first try blindfolded!

Na, just 18/20 xD still first time tough...

+1
Level 65
Dec 25, 2014
Got 100% with 36 seconds to spare, 34*17 got me for like 45 seconds though
+1
Level 26
Jan 10, 2015
All in my head 1:20!
+1
Level 26
Jan 10, 2015
And I'm 11
+3
Level 80
Apr 5, 2015
Geez kid, you want a medal?
+1
Level 75
Aug 7, 2015
I think it's great, s14103. I'd give you my math medal if I'd ever been bright enough in math to earn one.
+1
Level 20
Feb 1, 2015
50 seconds left, don't do this when you're tired, it hurts your brain.
+1
Level 75
Aug 7, 2015
So agree.
+1
Level 16
Feb 24, 2015
Finished 100% first try in 30 seconds
+1
Level 65
Mar 9, 2015
completed with 40 seconds left
+1
Level 56
Apr 27, 2015
Got all with 1:38 remaining, sounds good
+2
Level 14
May 10, 2015
Ok if anyone has trouble doing these, I have a way.

Ok say your problem is 92x4. I would take

the first ten and the last one. ( so basically the distributive property,

Ex - 90x4 ( 360 ). Then add the ones. ( 2x4 ) your answer is 368

+1
Level 26
Nov 3, 2022
Lol I have a comment exactly like this!
+1
Level 7
Jun 1, 2015
With 2:10 left
+1
Level 7
Jun 1, 2015
And 2:22
+1
Level 36
Feb 1, 2023
bro is speed
+1
Level 66
Jun 22, 2015
100% with 17 seconds remaining, get really panicky at the last 30 seconds though
+1
Level 36
Aug 26, 2015
20/20 with 2:14 left on the clock ... Firts Try!! (Y)
+1
Level 65
Sep 15, 2015
20/20 with 70 secs left
+1
Level 25
Sep 25, 2015
20/20 with 1minute 17seconds remaining.
+1
Level 9
Oct 13, 2015
im not im doing perfectly well
+1
Level 68
Oct 17, 2015
4 seconds left on first try!!!!!!
+1
Level 57
Sep 10, 2017
14 numbers per second ?
+1
Level 24
Oct 27, 2015
yay 1:45 left
+1
Level 49
Oct 29, 2015
Just achieved personal best. Completed with 1:57 left.
+1
Level 20
Nov 8, 2015
First time, 32 seconds left and I'm 11
+1
Level 20
Oct 22, 2017
First time, 1:57 left and I'm 9
+1
Level 43
Nov 8, 2017
First time, 1:30 and I’m a calculator
+1
Level 66
Nov 21, 2017
First time, 1:58 left and I'm 4 months old.
+1
Level 32
Nov 10, 2017
First time, 2:00 left and I’m 5
+1
Level 63
Nov 11, 2017
0.9th try, 87 hours left and i'm -3
+1
Level 65
Nov 15, 2015
My kid just turned 1, so I guess I'd better start practising for homework help now...
+2
Level 65
Jan 2, 2016
20/20 with 34 secs remaining!
+1
Level 28
Feb 11, 2016
Anything times 11 is really simple, just separate the two numbers and add them up in the middle! Like 45 *11= 4 (4+5 =)9 and 5
+2
Level 43
Mar 13, 2017
You could multiply by 10 and then add another one. For example:

45*11=45*10+45*1=450+45=495

+1
Level 24
Mar 16, 2016
20/20 and with a minute left, can anybody beat me?
+2
Level 83
Apr 21, 2016
40/20, a whole hour left and I'm only a zygote.
+1
Level 72
Apr 26, 2016
1:57
+1
Level 27
Apr 29, 2016
1:11 left
+1
Level 12
May 3, 2016
20/20 with 1:02 left.
+1
Level 62
May 6, 2016
I may be 50 but the mental arithmetic, BOOM!
+1
Level 68
May 31, 2016
got them all with 82 seconds left without a calculator and bad a typing fast
+1
Level 68
Jun 10, 2016
How old are you?
+1
Level 33
Jun 14, 2016
20/20 1.19 left (and of course no calculator)
+1
Level 61
Jul 2, 2016
2:50 left with eyes closed
+1
Level 22
Jul 10, 2016
I was thinking of making a nerdy, big-headed remark and decided not to...

We need more people like that.

:smirk:

+1
Level 56
Jul 12, 2016
1:35 remaining :)
+2
Level 41
Aug 20, 2016
14 yrs old, all 20 correct, 2 mins 4 secs left ('-.-')
+1
Level 24
Sep 21, 2016
19/20 first try couldnt get 73x6
+1
Level 21
Nov 21, 2016
15/20. I think this is possible, but its hard af
+1
Level 51
Nov 21, 2016
100% :48 left but hard to feel good when some of them were "10*49"
+1
Level 68
Nov 23, 2016
to be fair, there should be no 2nd tries on this one!
+1
Level 94
Nov 23, 2016
20/20 first try. 1:35 left to spare.
+1
Level 58
Nov 24, 2016
nerd
+1
Level 94
Jan 21, 2018
If thats your way to recognize me for doing in 1 month, the same quantity of points that you have done in like 2 years, your comment is really welcome.
+1
Level 66
Dec 1, 2016
I'd love a cookie. Preferably Sainsburys taste the difference.
+1
Level 67
Dec 1, 2016
Why can't we upvote comments on here like reddit and imgur??!
+5
Level 67
Dec 1, 2016
20/20, 2:00 left, first try, all mental, while doing a New York Times crossword and driving a car. Just popped out of the womb last week.
+1
Level 60
Dec 2, 2016
Looks like we've got a lot of people coming in at around a minute and getting all 20. To me, that sounds like you could lop a minute off the time and still have a fun quiz, but with some time crunch.
+1
Level 23
Dec 5, 2016
Is it cheating if I also had to use paper and pen for the difficult ones??
+1
Level 62
Dec 16, 2016
Got 100% with 3 minutes and 71 seconds left
+1
Level 10
Dec 16, 2016
You serious I can't to that
+1
Level 10
Dec 16, 2016
It's so hard these mental maths give my brain a headache but anyway I got 11/20 on my first go!
+3
Level 39
Dec 25, 2016
30/30 with 8 seconds left. Did it all in my head, blind folded, hands tied behind my back and I am only 18 months old
+1
Level 39
Mar 5, 2017
Same here, but i did it with out a computer
+1
Level 71
Mar 15, 2020
20 / 20 I can believe, but 30 ...... no sorry.
+2
Level 44
Jan 29, 2017
How does it change every time?
+3
Level 40
Mar 8, 2017
Finished all of them with 2:29 left and I'm only 4 years old and have been diagnosed with severe, crippling autism. I'm also a small Indian child in Mumbai with no internet connection.
+1
Level 23
Mar 10, 2017
finished with a minute
+1
Level 22
Mar 16, 2017
Completed with 47 seconds to go
+1
Level 24
Mar 24, 2017
23 to go
+1
Level 84
Apr 6, 2017
And with that, I'm the 2000th person to earn the Math Wizard badge.
+1
Level 58
Apr 24, 2017
Woo Hoo, just got my math badge!
+1
Level 32
May 22, 2017
Very easy if you do it right. For example, for 18 x 25, do 10 x 25 + 8 x 25 = 450. Or for 52 x 8, do 50 x 8 + 2 x 8 = 416
+1
Level 41
Oct 16, 2022
18 x 25 =

( 20 - 2 ) x 25 =

( 20 x 25 ) - ( 2 x 25 ) =

500 - 50 =

450

18 x 25 =

18 x 25 x 1 =

18 / 2 x 25 x 2 =

9 x 50 =

9 x 5 x 10

18/4 x 100

2 + 2 =

2 + ( 1 + 1 ) =

( 2 + 1 ) + 1 =

3 + 1 =

4

If you practice this enough you will

be able to know the answer right away.

+1
Level 23
May 24, 2017
51 seconds left!
+1
Level 25
May 26, 2017
1:18 left!!
+1
Level 69
May 28, 2017
finally did it with 29 seconds left!
+1
Level 17
Jun 1, 2017
so easy. LOL 2:30 is fast??? 20/20
+1
Level 68
Jun 8, 2017
No way this can be done calculator free.
+1
Level 71
Jun 24, 2017
What is the point of doing a quiz like this with a calculator?
+1
Level 41
Oct 16, 2022
Yes why use a calculator when a computer can scan the problems?

Please humans, try to stay up on all the latest. We are only here to help you.

+1
Level 69
Jun 15, 2017
i got 14/20 first try and im 11. Is that good or bad?
+2
Level 22
Aug 10, 2017
20/20 = 14 seconds left *phew*
+1
Level 33
Aug 18, 2017
40 seconds left on my first try while having a metaphorical brain fart.
+1
Level 68
Aug 30, 2017
First Try, 44 sec left, 57th birthday in one month - i'm feeling very very old :-)
+1
Level 69
Sep 14, 2017
I am using this quiz as a mental arithmetic practice for my students at the end of math-lessons.
+1
Level 19
Oct 6, 2017
0:36 left :)
+1
Level 41
Oct 18, 2017
1:11 left, 1:17 left
+1
Level 43
Nov 23, 2017
missed 1 :(
+1
Level 30
Dec 13, 2017
Crap! I missed the last one but I coulda got it!
+1
Level 66
Dec 19, 2017
Last one I needed for the Math Whiz badge, which has eluded me for ages. Finally got it, and with 51 seconds to spare!
+1
Level 33
Dec 24, 2017
15 is good I think !
+1
Level 53
Jan 1, 2018
Got all with 1:26 left
+1
Level 32
Jan 6, 2018
Fun quiz, but the difficulty varies a lot from time to time.
+1
Level 68
Jan 27, 2018
1:06 (first attempt)
+1
Level 38
Mar 30, 2018
Supposed To Maths
+1
Level 21
Apr 5, 2018
SORRY QUIZMASTER!!! I USED A CALCULATOR! Got it done with 1:37 to spare. I hate mental math... :(
+1
Level 46
Apr 21, 2018
50 seconds
+1
Level 49
May 23, 2018
Did the hard ones by hand and the others in my head, finished with 20 seconds left.
+1
Level 40
Jul 5, 2018
20/20 at 1:51
+1
Level 15
Aug 2, 2018
1:06 left
+2
Level 64
Aug 15, 2018
I FINALLY DID IT
+1
Level 34
Aug 31, 2018
10/20 cuz I suck at math
+1
Level 30
Sep 30, 2018
It's almost 1AM and I'm counting numbers because I'm bored. Why? I have no effin clue
+1
Level 66
Oct 1, 2018
1:10 remaining.
+1
Level 66
Dec 21, 2018
4 seconds faster this time...
+1
Level 18
Oct 29, 2018
i did them all, no calculator with 2:03 remaining
+1
Level 18
Oct 29, 2018
Also I am only 13 and in 8th grade. But currently I have higher Iq than the average adult. And typing speed helps too
+1
Level ∞
Oct 29, 2018
The average adult in the western world has an IQ of around 100, so I wouldn't brag too much about that. ;)
+1
Level 47
Oct 30, 2018
20/20 with 1:24 remaining :)
+1
Level 47
Nov 4, 2018
I redid it this time and got 1:48 :)
+1
Level 69
Nov 9, 2018
really good practice for mental math GG!
+1
Level 65
Dec 16, 2018
tough especially since I have memory issue because of my disease (often forget halfway a sentence what I was trying to say, and in the beginning i couldnt read anymore, cause after the second word I had forgotten the first. Reading got like 60% better, still cant focus at all. but math .. I allways get stuck after the first number even with the most basic stuff like 18+5 it took me several minutes sometimes, cause my mind was like a record being stuck, couldnt get past 18+....18+.....18+..... )

so extremely happy I finished this one with 100% the first go !! And actually quite surprised!

+1
Level 65
Dec 16, 2018
I guess it helps I have continued to do things that challenges your mind (as I did before) I wonder how bad my memory would ve been otherwise.
+1
Level 46
Jan 4, 2019
100% with 42 seconds left!
+1
Level 16
Jan 15, 2019
1:40 to spare :)
+1
Level 56
Jan 24, 2019
New record of 2:07 remaining!
+1
Level 48
Mar 26, 2019
Badged, awesome
+1
Level 36
Apr 12, 2019
Got 18 in my head first try... let's see if I can't get 20.
+1
Level 36
Apr 12, 2019
Ah yeah! 3rd try got all 20 in my head with 17 seconds to spare!
+1
Level 30
Apr 23, 2019
15/20 man I'm freaking stupid
+1
Level 25
Nov 17, 2022
That’s not bad
+1
Level 46
Apr 27, 2019
1min43
+1
Level 57
May 25, 2019
12 year old with 35 seconds to spare
+1
Level 35
Aug 23, 2019
FINALLY, got 100%
+2
Level 50
Dec 24, 2019
Done in 51 seconds...
+1
Level 66
Apr 4, 2020
did it in 1m9s -- 12seconds of my previous best.
+1
Level 48
Apr 22, 2020
Done in a minute :)
+1
Level 35
May 6, 2020
I took this test a long time ago and after lots of attempts, I finally got 100% doing it in all in my head in August 23, 2019. Fast forward to May 6 (7) 2020 and I got 100% on my first try with 1 minute left.
+4
Level 25
May 30, 2020
not wanting to brag, but i proudly brought the average down by 1!
+1
Level 42
Aug 4, 2020
Hi, done with 10 seconds left.
+1
Level 40
Aug 12, 2020
19/20 all time used so close
+1
Level 28
Sep 2, 2020
20/20 with 2 seconds to spare... stressed me out lol
+1
Level 59
Sep 13, 2020
Dam how the average is score is 15, on 5 tries i got 14 at best.

Everybody thinking they above average looks like me is below sad sad

+2
Level 18
Feb 14, 2021
THIS QUIZ IS WAY TOO EASY
+1
Level 30
Mar 12, 2021
100% with 16 seconds left on the clock.
+1
Level 16
Mar 13, 2021
I finished it, with 56 seconds remaining!! i am 12!!
+1
Level 36
Mar 14, 2021
Too much time, should make it one minute instead
+1
Level 19
Jun 5, 2021
I completed half of it then I got to level 15 this is my first comment on a quiz and 2nd comment on JetPunk.
+2
Level 38
Jun 9, 2021
passed with 1:46 remaining, got my math wizard badge!
+1
Level 22
Jun 30, 2021
amazing quiz!
+2
Level 28
Aug 13, 2021
first try with 21 seconds left.
+1
Level 68
Aug 16, 2021
Finally got with 18 seconds left... right as I'm tired and about to go to bed.
+1
Level 33
Sep 13, 2021
Love this....1.19 left to go....do the tens first, then easy to add the single multiplier.
+1
Level 94
Nov 16, 2021
Done in 40'' (1'50'' to go).
+1
Level 25
Dec 20, 2021
Finished in 1 min, 1 sec :)
+1
Level 56
Jan 24, 2022
84x5
+1
Level 56
Jan 24, 2022
i also got 23x3
+1
Level 51
Jan 28, 2022
Not the greatest mathematician but I am trying to get all the badges (video game badge was a pain to achieve)
+1
Level 51
Jan 28, 2022
Was AFK and almost ran out of time but I came back with 2 mins left and thanks to my quick math skills (high school sucks but it's a valuable lesson) I beat it with 53 seconds left.
+1
Level 47
Feb 13, 2022
Bro beat it in 50 seconds fast math is my kind of thing

Keep up the good work!

+1
Level 17
Feb 17, 2022
1:31 left but i used a calculator :( I got mad after getting like 19/20 5 times in a row
+1
Level 26
Feb 25, 2022
it was so tempting to use the caculator
+1
Level 35
Mar 30, 2022
this is hard
+1
Level 37
May 2, 2022
This is a great exercise to revisit daily. I really like that it changes each time.
+1
Level 55
May 3, 2022
very fun brain exercise
+1
Level 51
Jun 1, 2022
20/20 without starting the quiz :)
+1
Level 32
Aug 13, 2022
1:59 left with 20/20! Abacus helps with mental arithmetic. Pleased to see I've still got it :D
+1
Level 24
Oct 5, 2022
12 year olds in this comment section bragging about how they finished with 1 minute left when even a 3rd grader could do that
+1
Level 47
Oct 12, 2022
1:07 with 20/20.
+1
Level 25
Oct 30, 2022
100% isn't too hard if you know basic multiplication
+1
Level 26
Nov 3, 2022
If you get a 2 digit number multiplied by a 1 digit number, here is a tip:

Example: 82 x 9

80 x 9 + 2 x 9

80 x 9 = 8 x 9 (72) x 10 = 720

2 x 9 = 18

720 + 18 = 738

82 x 9 = 738!

+1
Level 51
Nov 6, 2022
1:56
+1
Level 25
Nov 17, 2022
Let’s go I got it with 3.4 days left with no device. Been in my mom for a month. Mo mom is a rotten tomato in the back of the cabinet for some reason. I also have a concussion, Alzheimer’s, dementia, and a metal tablet stuck in my head. Blindfolded no hands or toes. Still got 178/20
+1
Level 19
Dec 10, 2022
How?
+1
Level 28
Jan 25, 2023
I read comments. And i understood that my time is 27 sec... I'm a math jedi!
+1
Level 15
Jan 26, 2023
fun quiz!
+1
Level 21
May 1, 2023
Let's see, I am still in my fathers womb blind, deaf, autistic, mentally challenged, with no fingers or toes. Also, neither of my parents attended to my birthing, my dad left me at the sad age of two. Also, I live in Ohio. Also, I can't even count more than 69. Also, my dad is Jeffery Dahmer. Also, my mother is Peppa Pig. Also, I have one brain cell.

And yet I got it done with 1:59 left. How does that make you feel.

+1
Level 20
May 4, 2023
Great!
+1
Level 56
May 22, 2023
I can't do this... stuck on 19. Disappointing because although I'm not talented at maths I am usually pretty good. Just too slow for this.
+1
Level 15
Jul 19, 2023
20 out of 20 in 16 seconds.