Transcript EDI NS 1_5 Identify mixed numbers on a Number Line

Today we will identify mixed
numbers on a number line.
✓ identify- locate; find
✓ represent- draw and label
✓ fraction - represents part of a whole or
part of set; top number is the numerator,
bottom number is the denominator.
✓ Mixed Number-has a part that is a whole
number and a part that is a fraction.
Concept
When will I EVER do this?
How much of my Hershey Bar would you like?
2
4
20
40
0
5 8
40 40
1
8
5
40
3
5
24
40
20 24
40 40
2
10
8
40
1
fraction
a number that shows part of a whole or
part of a set
3
4
=
Part of a whole
The denominator, the number on the bottom, gives the total
number of parts.
The numerator, the number on the top, gives the number of
parts being used.
Three out of a total of four squares are blue. Three fourths of the
box is blue.
APK
fraction
3
4
Part of a set
Three out of
four boxes
are blue.
APK
fraction
10
20
100
10
Twenty out
of 100
boxes are
blue.
APK
fraction
1
5
One out of
five pie
pieces are
blue .
APK
Mixed Number
• A mixed number has a part that is
a whole number and a part that is
a fraction.
3
= 1 4
What is the mixed number?
3
= 3
4
What is the mixed number?
3
= 4
4
What is the mixed number?
1
= 5
2
number line
a picture of a straight line on which every point
corresponds to a real number and every real
number to a point.
-3
-2
-1
0
1
2
3
APK
Why is it important that we can identify
mixed numbers on a number line?
 Being able to represent mixed numbers on a
number line helps visualize, or see, the answer to a
problem.
 Number lines help us compare and order numbers.
What are other reasons why it is important we can
identify fractions on a number line?
IMP
Identifying mixed numbers on a number line.
Step 1:
Step 2:
Step 3:
Step 4:
Look at the number line
Look where on the number line the point is located
If necessary, label all the points on the number line
Write the place where the point is located
Identify point A on this number line.
A
.
That’s right! Point A is located at 1 1/2
Identifying mixed numbers on a number line.
Step 1:
Step 2:
Step 3:
Step 4:
Look at the number line
Look where on the number line the point is located
If necessary, label all the points on the number line
Write the place where the point is located
Identify point X on this number line.
X
.
That’s right! Point A is located at 2 3/4
Identifying mixed numbers on a number line.
Step 1:
Step 2:
Step 3:
Step 4:
Look at the number line
Look where on the number line the point is located
If necessary, label all the points on the number line
Write the place where the point is located
Identify point B on this number line.
B
.
That’s right! Point A is located at 2 1/4
Let’s review what we learned about identifying
mixed numbers on a number line.
What is a number line?
How do you locate a
point on a number line?
A picture of a line where
each point represents a real
number and each number a
point.
Determine the value of each
segment and then count the
number of segments being
used.