thumbnail

Fast Math - Randomized Addition in 30 Seconds

In just 30 seconds, answer these randomly-generated addition problems in your head.
This quiz changes every time you play!
Quiz by
Stewart
Rate:
Last updated: November 27, 2019
You have not attempted this quiz yet.
First submittedApril 9, 2018
Times taken20,901
Average score43.8%
Rating4.60
Report this quizReport
0:30
Enter answer here:
0
 / 16 guessed
The quiz is paused. You have remaining.
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
Keep scrolling down for answers and more stats ...
 Problem 
Solution
12 + 439
451
128 + 31
159
101 + 489
590
20 + 368
388
 Problem 
Solution
152 + 6
158
84 + 5
89
222 + 359
581
19 + 148
167
 Problem 
Solution
432 + 9
441
568 + 7
575
8 + 369
377
328 + 230
558
 Problem 
Solution
3 + 538
541
21 + 413
434
330 + 37
367
138 + 5
143
Save Your Stats
Your Next Quiz
What are the 12 most populous urban areas that aren't the capital of their country?
Solve these randomised square root problems as fast as you can!
Type the FIRST LETTER of each COLOR. But do not be distracted by the word itself.
Every answer is a combination of a letter and a number. For example, W2 or G6. Can you guess them?
1 Comments
+1
Level 63
Aug 17, 2023
The division one is easier for me, strangely.