Even & Odd
14 is this type of number.
Is 11 prime or composite?
prime
The first multiple of 8.
8
Numbers like one, two, three that show quantity are called ___ numbers
Cardinal Numbers
18 can be split into pairs without leftovers. Even or odd?
even number
The sum of two odd numbers is always ___.
even
Name the smallest composite number.
4
List all factors of 12.
1, 2, 3, 4, 6, 12
Numbers such as first, second, third are ___ numbers.
Ordinal numbers
15 has more than two factors. Prime or composite?
Composite Number
The two-digit odd number exactly between 45 & 49.
47
The prime number that comes right after 29.
31
GCF of 15 and 20.
5
1, 2, 3 … without zero are ___ numbers.
counting/natural numbers
19 can only be divided by 1 and itself. What type?
Prime Number
Explain why 26 students can pair up with none left out.
26 is a even number, so it can be divided by 2.
Give a composite number < 30 that has exactly three factors.
25
LCM of 6 and 9.
18
The set {0, 1, 2, 3 …} is called the set of
Whole Numbers
27 ends with 7 and can’t be paired evenly. Even or odd?
Odd Number
What is the smallest three-digit odd multiple of 7.
105
List all prime numbers between 40 and 50.
41, 43, 47
A number between 40 and 60 that is a common multiple of 4, 5 & 6.
60
Numbers like 4, 6, 8, 9 that have more than two factors are called ___ numbers.
Composite Number
Which special number represents “none” and is neither prime, composite, even, nor odd?
zero