Download HW #4

HW #
Name_________________
Date__________________
1. A school band has 50
members. The band marches in a
shape of a rectangle. List below
the different rectangles the band
director can make by arranging
the band members.
2. Multiple Choice: For which pair of 3.
numbers is the greatest common factor
8?
1.28
a.
b.
c.
d.
25 =
2 and 4
7 and 15
32 and 64
56 and 72
Multiple Choice: For which pair of
numbers is the greatest common factor
1?
e.
f.
g.
h.
5 and 10
8 and 4
8 and 10
8 and 15
Multiple Choice: For which pair of
numbers is the greatest common factor
15?
i.
j.
k.
l.
4. The school cafeteria serves
pizza every sixth day and
applesauce every eighth day.
Suppose that pizza and
applesauce are both on today’s
menu. In how many days will
they both be on the menu again?
60 and 75
30 and 60
10 and 25
3 and 5
5. A square number is a result of the
product of a number multiplied by
itself. Below list 3 squared numbers.
6. Perfect number is a number
that’s proper factors add up to the
sum of that number. For example:
28’s factors are 1,2,4,7,and 14) and
1+2+4 + 7 +14= 28. There for 28 is
a perfect number.
Identify the only perfect number
from numbers 1-10 and show how
it is perfect.