stage 6 fraction
DESCRIPTION
Lesson for Grade 6, primary schoolTRANSCRIPT
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FRACTION
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MATH- PROJECT- GRADE 6- FRACTION
Objective/s:1.Students understand about the lesson- Fraction2.Students can use their creativity to find the way/s
to understand fraction concept
Materials:1.An after used calender (Wall/ desk), contains 6 or more pages2.Colour paper (Origami/ Spectra/ etc) or colour pencil/ marker3.Decoration- If needed
How to make:1.Each page must contain the knowledge about fraction2.Student must include minimum 6 items3.Student must include the drawing/ picture about each item and the question and answer example
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MATH- PROJECT- GRADE 6- FRACTION
Due date: Tuesday, 9 August 2011
Fraction:
1.Meaning2.Equivalent Fraction3.Reduction to lowest term4.Comparison Fraction5.Improper Fractions and Mixed Numbers6.Adding/ Subtracting Fraction with the same denominator7.Adding/ Subtracting Fraction with different denominator8.Whole9.Mixed Number Operation10.Multiplying Fraction11.Dividing Fraction
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MATH- PROJECT- GRADE 6- FRACTION
CRITERIA 7-8 5-6 3-4 1-2
Techniques
The student has demonstrated thorough competence when choosing and using techniques/materials and equipment.
The student is able to choose and use the techniques, materials &/or equipment competently.
The student is able to use the techniques, materials &/or equipment adequately.
The student has difficulty using the techniques, materials &/or equipment.
Design Specification
The student has displayed excellent understanding of the design specification and has fully justified any modifications used.
Student has shown good understanding of the design specification and was able to make necessary modifications to enhance the finished product.
The student has demonstrated adequate understanding of the design specifications. Did not demonstrate any use of modifications to enhance final product.
The student has demonstrated little understanding of the design specification.
Procedure
The student is fully able to understand and follow procedures and alter them where necessary.
The student usually understands and follows correct procedures.
The student sometimes has difficulty understand &/or following procedures.
The students usually has difficulty understanding &/or following procedures.
Finished Product
The student produced an outstanding finished product.
The student produced a well-made and well-presented product.
The student produced a finished product which was of an adequate standard and quality.
The student produced a finished product that was of a poor standard and low quality.
RUBRIC:
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MEANING
• One marble out of five marbles
• Two marbles out of six marbles
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• Three parts out of 4 equal parts
MEANING
• One part out of 3 equal parts
4
3
3
1
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Numerator and Denominator
• Numerator
• Denominator
3
4
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Exercise:
What fraction shows by the shaded part?
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Exercise:
What fraction shows by the Unshaded part?
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Exercise:Worksheet 9.1 and 9.3
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Equivalent Fraction
Blue part = ½
What will happen if we divided the Blue part by 2?
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Equivalent Fraction
Blue part = ½
Blue part = 4
2
We can say that, to make an equivalent fraction:
If we multiplied the Numerator by 2,
We must multiplied the Denominator by 2
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2 ....
3 12
2 14
3 ....
2 2 4 8 3 12 12
2 14 14
3 3 7 21
Equivalent Fraction
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Reduction to lowest term
21 ....
24
1. Divide with the denominator2. Divide with HCF (Highest Common Factor) of 21 and 24 is 3.
4 ....
12
4 1
12 3
21 7
24 8
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Comparison of Fraction
Let us compare fraction : 8
4and
12
7
1. a. Make a list of equivalent fractions from each
...24
12
16
8
8
4
...36
21
24
14
12
7
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Comparison of Fraction
Let us compare fraction : 8
4and
12
7
24
12
8
4
24
14
12
7
b. We choose the same denominator between each equivalent fractions
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Comparison of Fraction
Let us compare fraction : 8
4and
12
7
24
12
24
14
c. Then compare those two fractions
<
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Comparison of Fraction
Let us compare fraction : 8
4and
12
7
2. Short cut: “Cross Multiplication Method”
8
4
12
7
4 x 12 = 48 7 x 8 = 56
Because 48 is smaller than 56so,
8
4
12
7<
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Exercise:Worksheet 9.8 and 9.9
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Improper Fractions and Mixed NumbersProper Fraction, The Numerator smaller than the denominator
4
3Example:
Improper Fraction, The Numerator greater than the denominator
4
5Example:
Mixed Numbers, The sum of a whole number and a fraction
4
11Example:
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Addition of Fraction with the same denominator
2 1
5 5
1
5
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Exercise:
3 2
10 10
1 5
30 30
7 53
100 100
1 1
3 3
1 3
5 5
2 3
7 7
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Exercise:
3 2
10 10
1 5
30 30
7 53
100 100
1 1
3 3
1 3
5 5
2 3
7 7
3
2
5
4
7
5
10
5
30
6
100
60
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1 1
3 2
1
3
2
6
1
2
3
6
2
63 56 6
Addition of Fraction with different denominator
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1 1
2 4
1
2
2
4
1
4
1
4
2
4
1
42 1 3
4 4 4
Addition of Fraction with different denominator
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Mutiply the denominator3 x 2 = 6
1 1
3 2
Addition of Fraction, Short Cut
6
5
23
)13()12(
x
xx
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2 3
7 112 11 3 7 43
7 11 77
Addition of Fraction, Short Cut
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Exercise:1 1
3 2
1 1
3 5
1 1
5 2
1 1
4 2
1 1
3 6
1 1
8 7
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Exercise:1 1
3 2
1 1
3 5
1 1
5 2
1 1
4 2
1 1
3 6
1 1
8 7
6
5
15
8
10
7
8
6
18
9
56
15
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3
3?
• Fraction as Division :
Saundra has 1 cake, She wants to give the cake equally to 3 people,
What is the fraction for the parts of those people?
If each person get 1 3
So the fraction for the whole parts is :
“WHOLE”
13
3
3
1
3
1
3
1
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5
5?
• Fraction as Division :
Tiara has 1 cake, She wants to give the cake equally to 5 people,
What is the fraction for the parts of those people?
If each person get, 1 5
So the fraction for the whole parts is :
“WHOLE”
15
5
5
1
5
1
5
1
5
1
5
1
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5
5?
• Fraction as Division :
Erika has 2 cakes, She wants to give the cake equally to 4 people,
What is the fraction for the parts of those people?
If each person get, 2 4
So the fraction for the whole parts is :
“WHOLE”
24
8
4
2
4
2
4
2
4
2
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Mixed Numbers Operation- Addition
3
21
3
11
Add the number of the two fractions: 1 + 1 = 2
Add the fractions of the two fractions:
13
3
3
2
3
1
Add the answers: 2 + 1 = 3
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Mixed Numbers Operation- Addition
6
51
5
21
Add the number of the two fractions: 1 + 1 = 2
Add the fractions of the two fractions:
30
71
30
37
6
5
5
2
Add the answers: 2 + = 30
71
30
73
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Mixed Numbers Operation- Subtraction
3
11
3
22
Subtract the number of the two fractions: 2-1 = 1
Subtract the fractions of the two fractions:
3
1
3
1
3
2
The answers: 1 and = 3
1
3
11
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Mixed Numbers Operation- Subtraction
6
51
5
23
Subtract the number of the two fractions: 3 - 1 = 2
Subtract the fractions of the two fractions:
30
13
30
2512
6
5
5
2
Add the answers: 2 and
30
13
= 1 + - = 30
3030
13
30
271
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Exercise:Worksheet 8.8 and 8.12
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Multiplication Fraction with Number
1
24 1 4): 2 2
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1 1
2 2
Multiplication Fraction with Fraction
4
1
22
11
x
x
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In mind: I have 1/6 than I take ½ from 1/6, So I get 1/12
1 1
2 6 12
1
62
11
x
x
Multiplication Fraction with Fraction
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Multiplication Fraction with Fraction
(Short Cut- to find the lowest term)
18
2
6
3x
1
3
1
618
1
6
1
3
1x
16
5
5
4x
1
1
1
44
1
4
1
1
1x
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Exercise:Worksheet 9.2 and 9.5
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Divided Fraction- With Number
• 1/2 : 2 = ?If we divide ½ the answer is 1/4• 1/3 : 2 =• 2/3 : 2 =• ¾:3=• 4/5 : 3 =• 7/9 : 3=• 20/25 : 5 =
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Divided Fraction- With Number
• 1/2 : 2 = ?If we divide ½ the answer is 1/4• 1/3 : 2 = • 2/3 : 2 =• ¾:3=• 4/5 : 3 =• 7/9 : 3=• 20/25 : 5 =
6
1
6
2
12
3
27
7
12
3
125
20
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Pembagian Pecahan
• Berapa 1/2 : 2 = ?Berapa kali 2 hasilnya ½?Jawab 1/4
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1 1:
2 6
1
6
1
2
Divided Fraction- With Fraction
In mind:How many in ? 3
6
1
2
1
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Divided Fraction- With Fraction(Short Cut)
32
6
1
6
2
16
1:
2
1
x
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Divided Mixed Number- With Fraction
92
18
1
6
2
36
1:
2
11
x
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Divided Mixed Number- With Fraction
Exercise:Worksheet 7.4 and 7.5
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FractionExercise:CB pg. 24- 25
1. Mrs. Ong repacks 2 kg of seasoning powder into small packets.Each packet contains kg of seasoning powder.How many packets does she get?
5
1
Answer:
2 : =
2 x = 10
5
1
1
5So, Mrs. Ong will get 10 packets
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FractionExercise:CB pg. 24- 25
3. What is the greatest number of m pieces that you can cut from a 3- metre length of raffia?
5
3
Answer:
3 : =
3 x = = 5
So, 5 is the greatest number of pieces
5
3
3
5
3
15