Show:
Freaky Factors
Multiple Magic
Prime Time
Creepin' Composites
Slammin' Squares
100
Name all the factors of 24
1,2,3,4,6,8,12,24
100
Name 5 multiples of the number 4
4, 8, 12, 16, 20
100
Name 6 prime numbers under 20
1, 2, 3, 5, 7, 11, 13, 17, 19
100
What is a composite number?
A number that has more than 2 factors
100
Name 2 square numbers under 20
1, 4, 9, 16
200
What factors do 20 and 50 share?
1, 2, 5, 10
200
Name the multiples of 7 up to 70
7, 14, 21, 28, 35, 42, 49, 56, 63, 70
200
Name a prime number between 30 and 40
31, 37
200
Name ten composite numbers under 30
4, 6, 8, 10, 12, 14, 15, 16, 18, 20, 21, 22
200
Is 81 a square number?
Yes, 9 x 9
300
What is the highest factor of the number 16?
16
300
What multiples do the number 3 and the number 6 share?
6, 12, 18, 24, 30
300
What is a prime number?
A number that only has two factors
300
Is 51 a composite number?
Yes, factors are 1, 3, 17, 51
300
Name a square number between 60 and 70
64
400
A prime number has how many factors?
2. One plus the number
400
Name the multiples of 9
9, 18, 27, 36, 45, 54, 63, 72, 81, 90
400
Is 22 a prime number? Why or why not?
No, factors are 1, 2, 11, 22
400
What factors are shared by the composite numbers 6 and 8?
1, 2
400
Name the next square number higher than 81.
100
500
Name all the factors of 48
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
500
True of false....all the multiples of five are even numbers.
False (half of the multiples will end in five)
500
Name the next 3 prime numbers greater than 20
23, 29, 31
500
Can a square number also be a composite?
Yes
500
Name all the square numbers between 30 and 50
36, 49