Prime/Composite
Is this number prime or composite?
4
Composite
1,2,4
Is this number prime or composite?
9
Composite
1,3,9
List all the factors of this number.
6
1,2,3,6
Mrs. Amanto bought 5 new Exeter shirts. Mrs. Adams bought 2 times as many shirts. How many shirts did Mrs. Adams buy?
10 shirts
Is this number prime or composite?
7
Prime
1,7
Is this number prime or composite?
2
Prime
1,2
List all the factors of this number.
16
1,2,4,8,16
Mr. Papich biked 2 miles on Friday. On Saturday, he biked 4 times farther. How far did Mr. Papich bike on Saturday?
8 miles
Is this number prime or composite?
15
Composite
1,3,5,15
Is this number prime or composite?
85
Composite
Any number ending in 5 or 0 is a multiple of 5.
List all the factors of this number.
21
1,3,7,21
Owatin Creek 4th graders solved 7 tough math questions. Jacksonwald 4th graders solved 3 times as many tough math questions. How many tough math questions did Jacksonwald 4th graders solve?
21 tough math questions
Is this number prime or composite?
46
Composite
2 is always a factor of even numbers.
Is this number prime or composite?
77
Composite
List all the factors of this number.
28
1,2,4,7,14,28
Mr. Hathaway bought awards for students. Last year, he bought 6 awards. This year, he bought 8 times as many awards. How many awards did Mr. Hathaway buy?
48 awards
Is this number prime or composite?
23
Prime
Is this number prime or composite?
31
Prime
List all the factors of this number.
32
1,2,4,8,16,32
The 3rd grade teachers brought in 9 donuts. The 4th grade teacher brought in 8 times the amount of donuts. How many donuts did the 4th grade teacher bring in?
72 donuts