S ay
each integer aloud or to yourself.
"Let's see, I have four numbers, I
need to say each of them to myself. The first number is negative three
and six tenths, the next is two and eight tenths, the third is negative
one and two tenths, and the last one is one and five tenths. "
P oint
to each integer and look for negative
signs.
 Check for & circle negative integers by looking
for the "" symbol.
 Integers that are positive will likely not
have a sign.
"Let me look at the numbers again. 2.8 and
1.5 do not have negative signs, but 1.2 does and so does 3.6. That
means that both 1.2 and 3.6 are negative numbers, so I will circle
1.2 and 3.6."
I dentify
whether each integer is positive or negative.
 Look at the circled numbers. You might want
to draw a chart like this:
 Then you can put the numbers in each column.
"I've circled two numbers 1.2 and 3.6.
I will write them in the  column. The other two numbers, I will write
in the + column."
E stimate
the value of each integer using the Rules of Value.
"Let me see.
I will draw a number line to help me estimate. I will put zero in the
middle, and just like my t table, put a + on the right and a  to the
left of the zero."
"Rule #1 says that positive integers
are always greater. I have two positive integers, 2.8 and 1.5 so I will
put them on the number line first. I know that these two will be larger
than the two negative numbers, 3.6 and 1.2."
Rule # 2 says that with positive
numbers, the integer farther
from zero is of greater value. For the two positive integers,
if I draw a line from zero to each of them, 2.8 is farthest away from
zero. Using this rule, 2.8 is the largest of the two positive numbers.
For negative numbers, it's opposite of positive numbers. Rule
# 3 says with negative numbers, the integer closest
to zero is of greater value. For the two negative integers, if
I draw a line from zero to each of them, 1.2 is closest to zero. Using
this rule, 1.2 is the larger of the two negative numbers."
S
elect integer of greatest value.
" I know that positive numbers are
larger, and that 2.8 is the largest of the positive numbers. I am going
to put a #1 under 2.8, and a #2
under 1.5.Then I am going to look at my negative numbers. Using Rule
# 3, I know that 1.2 is larger than 3.6 because, 1.2 is closer to
zero on the number line. So, I am going to put a #3
under 1.2 because it is the third largest number. It is smaller than
2.8 or 1.5 because it is negative, but it is larger than 3.6 because
it is closer to zero on the negative side of the number line. Finally,
I am going to put a #4 under 3.6
because it is the smallest number. It is a negative number and it is
furthest away from zero on the negative side of the number line.
"So my integers in order, largest to
smallest are: 2.8, 1.5, 1.2, 3.6"
