Fraction Action in Grade 4 Converting Mixed Numbers and Improper Fractions/Simplifying Fractions - PowerPoint PPT Presentation

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Fraction Action in Grade 4 Converting Mixed Numbers and Improper Fractions/Simplifying Fractions

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Title: Fraction Action in Grade 4 Converting Mixed Numbers and Improper Fractions/Simplifying Fractions


1
Fraction Action in Grade 4Converting Mixed
Numbers and Improper Fractions/Simplifying
Fractions
2
Vocabulary
  • Numerator
  • Denominator
  • Proper Fraction
  • Mixed Number
  • Improper Fraction
  • Simplify
  • Factors
  • Fractional Form of 1 Whole
  • Equivalent Fractions (Equal)

3
The bottom number in a fraction is called the
_____________.
4 8
Remember It tells how many equal parts are in
EACH model.
Denominator
4
The top number in a fraction is called the
____________.
Numerator
6 9
Remember It tells the number we are counting.
(Usually the shaded, unshaded, or a specific
color.)
5
In , the numerator
is less than the denominator.
proper fractions
5 6
1 5
3 4
6
Notes
are represented when
a whole number and a proper fraction are
together.
Mixed numbers
3
6 9
Numerator Denominator
Whole
8 10
8
7
Notes
Improper fractions are represented when the
numerator is larger than the denominator.
27 3
Numerator Denominator
19 2
8
What is the mixed number?
3

3
4
9
What is the improper fraction?
15

4
10
What is the mixed number?
3

4
4
11
What is the mixed number?
1

5
2
12
What is the improper fraction?
19

4
13
What is the improper fraction?
11

2
14
How is the mixed number below related to the
improper fraction?
1
5
2

11
2
15
Remember....In mixed numbers, a whole number and
a proper fraction are together. What mixed
numbers are represented on this number line?
0
1
2
3
0
1
2
3
4
5
6
7
16
Change this mixed number to an improper fraction.
3
24
  • Multiply the whole number times the denominator.
  • Add your answer to the numerator.
  • Put your new number
  • over the denominator.


3

x
7
7
17
Change this mixed number to an improper fraction.
1
33
  • Multiply the whole number times the denominator.
  • Add your answer to the numerator.
  • Put your new number
  • over the denominator.


4

x
8
8
18
Change this improper fraction to a mixed number.
2
r
2
8

)
3
8
3
6
2
  • Divide the numerator by the denominator.
  • Put the remainder over the denominator.

2
2

3
19
Change this improper fraction to a mixed number.
5
r
2
47

)
9
47
9
45
2
  • Divide the numerator by the denominator.
  • Put the remainder over the denominator.

2
5

9
20
1. What is the mixed number for
34 5
  1. 5 4/5
  2. 6 4/5
  3. 6 3/5
  4. 5 4/6

?
21
2. What is the mixed number for
14 4
  1. 3 1/4
  2. 4 1/4
  3. 3 1/3
  4. 3 2/4

?
22
3. What is the mixed number for
13 2
  1. 5 1/3
  2. 4 1/2
  3. 6 1/2
  4. 6 2/2

?
23
4. What is the improper fraction for
2 3
  1. 11/3
  2. 10/2
  3. 8/3
  4. 4/3

?
3
24
5. What is the improper fraction for
3 6
  1. 7/6
  2. 13/6
  3. 27/6
  4. 4/6

?
4
25
6. What is the improper fraction for
3 8
  1. 16/8
  2. 43/8
  3. 26/8
  4. 10/8

?
5
26
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
3 6
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
27
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
4 16
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
28
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
15 20
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
29
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
18 30
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
30
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
10 30
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
31
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
5 45
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
32
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
14 18
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
33
Steps to Simplify Fractions
1. Find the GCF (Greatest Common Factor).
18 27
2. Make a fractional form of 1 using the GCF.
3. Divide the numerator and denominator by the
GCFs fractional form of 1.
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