Menu
Login
Language
Deutsch
Español
Français
Italiano
Nederlands
Polski
Português
Suomi
More...
Search...
Featured Quizzes
All Featured Quizzes
New and Reset
Random
Top Today
Geography
History
User Quizzes
Most Recent
All User-Created
Tags
Highest Rated
Most Taken
Nominated Quizzes
Recent Spotlights
Create Quiz
Create / Edit Quiz
New Text Quiz
New Picture Quiz
New Click Quiz
New Click Map Quiz
New Multiple Choice
New Tile Select
SVG Guide
Data and Charts
JetPunk Charts
Recent Charts
Create Chart
Info Pages
Country Population
Interesting Facts
Interesting Quotes
Blogs
Official Blog
User Blogs
Recent User Blogs
Blogs by Tag
Create Blog
Badges and Games
Badges
Word Search
Minigames
Social
Facebook
Reddit
Discord
Twitter
Instagram
About JetPunk
About Us
Contact Us
JetPunk Premium
Change Log
Terms of Service
Planting Trees
JetPunk Shop
Random Quiz
Dark Mode
SUM the numbers if you can.
Enter The total from 1 to the number given: example sum 1 to 5 = 15
Add up from 1 to the number given inclusive:
E.g. Sum of all numbers from 1 to 5 = 15 (1 + 2 + 3 + 4 + 5)
A mental arithmatic test for jetpunkers.
For those that read the instructions: n x 1/2n + 1/2n = the total sum from 1.
Quiz by
Malbaby
Profile
Quizzes
Subscribed
Subscribe?
Rate:
Nominate
Nominated
Spotlight
Last updated: December 5, 2017
You have not attempted this quiz yet.
More quiz info >>
First submitted
December 5, 2017
Times taken
67
Average score
65.0%
Report this quiz
Report
Quiz and answer stats >>
Friends stats >>
Start Quiz
6:00
Give Up?
Enter answer here
0
/ 20 guessed
Pause
Untimed
Help
Time Used
00:00
Best Time
00:00
The quiz is paused. You have
remaining.
Resume
Scoring
You scored
/
=
%
This beats or equals
% of test takers
also scored 100%
The average score is
Your high score is
Your fastest time is
more stats >>
friends stats >>
Keep scrolling down for answers and more stats ...
Retake Quiz
Share Result
Hint
Answer
8
36
44
990
16
136
100
5050
38
741
6
21
21
231
88
3916
25
325
11
66
32
528
7
28
50
1275
14
105
9
45
40
820
22
253
18
171
70
2485
24
300
Comments (6)
tieup
+1
Level 22
Jul 14, 2018
Dominated this quiz with 1/20! lol
Malbaby
+1
Level 71
Jul 14, 2018
Plenty of room for improvement then!
sambear
+1
Level 73
Jul 18, 2018
This is an amazing quiz and a real challenge
sambear
+1
Level 73
Jul 18, 2018
Another trick is n*(n+1)/2 also gives you the sum of all the numbers from 1. e.g. for 8 do 8*9/2
peardestroyer
+1
Level 57
Sep 4, 2022
that's what I did too
NV1
+1
Level 51
Oct 16, 2022
([X/2]+0.5)*X
E.G. ([8/2]+0.5)*8
Add comment
New and Popular
all
de
en
es
fi
fr
it
nl
pl
pt
Countries of the World Quiz
US States Quiz
NBA Teams Quiz
All Country Flags of the World
US States by Borders in 30 Seconds
Countries of Europe Quiz
Fast Typing A to Z
Country Flags Quiz #1
Africa Map Quiz
Most Popular NBA Jerseys
Fresh Prince of Bel-Air Lyrics
Countries of Africa
Africa Capitals Quiz
Island Countries Quiz
Most Popular Fast Food Restaurants
Random
Top Today
Save Your Progress
Create Account
Numbers and Words:
Quiz series by Malbaby
Random Cumulative Number quiz 1 to x ?
Random Roman Numeral - Vice Versa
Random - Square the given Number:
...
The 'Mystery City' Quiz
The 'Mystery City' Quiz - 2
The Numbers Game
Prev
View All
Next
E.G. ([8/2]+0.5)*8