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
×
All 2-digit prime numbers have a ones digit of 1, 3, 7 or 9. True or false?
True
Oops!
Check
Okay!
Check
15
×
I am the third prime number after 20. Who am I?
31
Oops!
Check
Okay!
Check
×
thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
15
×
I am a prime number. I am between 25 and 42. My units digit is a prime number. Who am I?
37
Oops!
Check
Okay!
Check
15
×
Oops!
Check
Okay!
Check
×
baam
Lose 20 points!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
15
×
I am a prime number. I am a 2-digit number. My digits have a difference of 7. Who am I?
29
Oops!
Check
Okay!
Check
15
×
1 is not a prime number. True or false?
True
Oops!
Check
Okay!
Check
15
×
List 3 common multiples of 25 and 20?
100, 200, 300, ...
Oops!
Check
Okay!
Check
15
×
What is the highest common factor of 8 and 12?
4
Oops!
Check
Okay!
Check
15
×
All prime numbers have exactly two factors. True or false?
True
Oops!
Check
Okay!
Check
15
×
What is the smallest 2-digit prime number?
11
Oops!
Check
Okay!
Check
15
×
I am a prime number. I am between 20 and 70. My digits total is 10. Who am I?
37
Oops!
Check
Okay!
Check
15
×
All prime numbers are odd numbers. True or fasle?
False
Oops!
Check
Okay!
Check
15
×
I am a prime number. I am between 40 and 80. When my digits are reversed I am another prime number. Who am I?
71, 73 or 79
Oops!
Check
Okay!
Check
×
thief
Give points!
5
10
15
20
25
×
fairy
Take points!
5
10
15
20
25
×
gift
Win 20 points!
Okay!
×
baam
Lose 20 points!
Oops!
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies
