Do NOT start the quiz until you have downloaded and solved all the challenges.
When you have agreed on the solutions, click the Start Quiz button to submit your answers.
The Quiz will let you know how many of the questions were correctly solved.
You can take the Quiz again, as many times as needed, if there are errors.
Time limit: 0
Quiz Summary
0 of 5 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Quiz complete. Results are being recorded.
Results
0 of 5 Questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
 Not categorized 0%
 1
 2
 3
 4
 5
 Current
 Review
 Answered
 Correct
 Incorrect

Question 1 of 5
1. Question
Place 5 up the top of the triangle.
How many solutions are possible when 5 is placed on top?

Question 2 of 5
2. Question
Set up the triangle so that the numbers in the bottom row are 2 then 1 then 2.
Find all the possible numbers that can go in the top corner of the triangle.

Question 3 of 5
3. Question
For this challenge, add the rule that the number in the corners must be the same.
How many solutions can you find when the corner numbers are all the same?

Question 4 of 5
4. Question
Place 4 at the top of the triangle.
How many different solutions are possible when 4 is placed on top?

Question 5 of 5
5. Question
Which numbers can appear four times in the same solution?