Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Loading
15
×
Is this number prime or composite? 32
Composite
Oops!
Check
Okay!
Check
15
×
Is this number prime or composite? 35
Composite
Oops!
Check
Okay!
Check
15
×
Is this number prime or composite? 76
Composite
Oops!
Check
Okay!
Check
×
thief
Give points!
5
10
15
20
25
×
magnet
Take 20 points!
Okay!
×
gift
Win 25 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
25
×
Leo needs a new jersey number. He wants to choose a prime number less than 10. What are 2 options?
2, 3, 5, 7
Oops!
Check
Okay!
Check
×
eraser
Reset score!
Oops!
×
rocket
Go to first place!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
15
×
Is this number prime or composite? 47
Prime
Oops!
Check
Okay!
Check
15
×
Is this number prime or composite? 2
Prime
Oops!
Check
Okay!
Check
×
banana
Go to last place!
Oops!
×
gift
Win 10 points!
Okay!
×
gift
Win 15 points!
Okay!
×
baam
Lose 5 points!
Oops!
15
×
Is this number prime or composite? 43
Prime
Oops!
Check
Okay!
Check
15
×
Is this number prime or composite? 19
Prime
Oops!
Check
Okay!
Check
15
×
Is this number prime or composite? 81
Composite
Oops!
Check
Okay!
Check
15
×
Is this number prime or composite? 49
Composite
Oops!
Check
Okay!
Check
15
×
Is this number prime or composite? 24
Composite
Oops!
Check
Okay!
Check
15
×
Challenge: Prime or Composite? 123
Composite. 3's rule
Oops!
Check
Okay!
Check
15
×
Which of the composite rules apply for the number 21?
3's rule, multiple of 7
Oops!
Check
Okay!
Check
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies