placeholder image to represent content

Triangular numbers

Quiz by benol consult

Feel free to use or edit a copy

includes Teacher and Student dashboards

Measure skills
from any curriculum

Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.

With a free account, teachers can

edit the questions
save a copy for later
start a class game
automatically assign follow-up activities based on students’ scores
assign as homework
share a link with colleagues
print as a bubble sheet

Q 1/10
Score 0
What is the 5th triangular number?
29
$18$
$12$
$10$
$15$

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes

10 questions

Show answers

Q1
What is the 5th triangular number?
$18$
$12$
$10$
$15$
30s
Q2
Which number is the 3rd triangular number?
$6$
$9$
$3$
$12$
30s
Q3
What is the 7th triangular number?
$35$
$28$
$24$
$21$
30s
Q4
What is the 4th triangular number?
$12$
$10$
$14$
$8$
30s
Q5
What is the 6th triangular number?
$28$
$18$
$21$
$15$
30s
Q6
Which number is the 8th triangular number?
$32$
$40$
$28$
$36$
30s
Q7
What is the 10th triangular number?
$45$
$60$
$50$
$55$
30s
Q8
Which number is the 9th triangular number?
$36$
$50$
$45$
$40$
30s
Q9
What is the 11th triangular number?
$72$
$55$
$66$
$78$
30s
Q10
Which number is the 12th triangular number?
$72$
$84$
$66$
$78$
30s

Teachers give this quiz to your class