Curriculum Focal Points and Connections for Grade 3_Fractions-Assignment 2
Transcript of Curriculum Focal Points and Connections for Grade 3_Fractions-Assignment 2
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Developing math activities
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Curriculum Focal Points and Connections for
Grade 3
The set of three curriculum focal points and related connections for mathematics in grade3 follow. These topics are the recommended content emphases for this grade level. It is
essential that these focal points be addressed in contexts that promote problem solving,
reasoning, communication, making connections, and designing and analyzingrepresentations.
Number and Operations: Developing an understanding of fractions and fraction
equivalence.
Students develop an understanding of the meanings and uses of fractions to representparts of a whole, parts of a set, or points or distances on a number line. They understand
that the size of a fractional part is relative to the size of the whole, and they use fractions
to represent numbers that are equal to, less than, or greater than 1. They solve problemsthat involve comparing and ordering fractions by using models, benchmark fractions, or
common numerators or denominators. They understand and use models, including the
number line, to identify equivalent fractions.
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FRACTIONSRECOMMENDED ACTIVITIES :1. Name fractions with denominators more than 102. Compare and arrange fractions3. Recognise parts of a whole.4. Using some activities that created by:
- SR. Masin- SR. Jerudong- SR. Kasat
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FRACTIONS WITH DENOMINATORS MORE THAN 10
Azura cuts a cake into 12 equal pieces.
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Azura takes 2 pieces of the cake for breakfast. She takes of the
cake. We read the fraction astwo-twelfths ortwo over twelve.
Omars father has a bar of chocolate. He breaks off 3 parts for Omar.
The chocolate abr has 15 parts. Omar get 3 parts. He gets of the
chocolate bar. We read the fractions asthree-fifteens orthree over fifteen.
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ACTIVITY
1. What fraction of the whole is shaded?
(a)
(b)
(c)
2. Name the numerator and denominator of each fraction below
(a)
(b)
(c)
(d)
(e)
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Let us try to make a fraction by folding a piece of paper.
ACTIVITY
By folding the rectangular piece of paper equally 4 times, we have divided the
paper into 16 equal parts.
Activity1. Fold a rectangular piece of paper into 16 equal parts.2. Shade 7 parts of the rectangle.3. Name the fraction.4. What is the (a) numerator?
(b) denominator?
5. What fraction is not shaded?6. What is the (a) numerator?
(b) denominator?
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COMPARING AND ORDERING FRACTIONS
A Comparing
1 Which fraction is greater, or ?
Is greater than
>
2 Which fraction is greater?
(a) or
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(b) or
3 Which is the greatest fractions?
(a) , ,
(b) , ,
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4 Which fraction is smaller, or ?
is smaller than
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2 Which fraction is smaller, or ?
The diagram shows that is smaller than .
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3 Look at the fraction chart. Can you tell which fraction is greater?
(a)2/8 or 3/10(b)3/5 or 8/15(c)7/10 or 11/12
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ACTIVITY
1 Fill in the boxes with the correct answers.
(a)
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>
(b)
>
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2 Fill in the boxes with > or or
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B Ordering
We can use the fraction chart to arrange fractions.
The fractions from the smallest to the largest are:
ACTIVITY
Arrange the given fractions in order of size.
1.
The fractions from the smallest to the largest are:
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We can mark fractions on a number line.
Can you complete the number line?
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We can use number lines to arrange fractions.
1. Arrange and in order, starting with the smallest.
The fractions from the smallest to the largest are:
2. Arrange and in order, starting with the
largest.
The fractions from the largest to the smallest are:
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EQUAL PARTS OF A WHOLEThis is a whole cake. Najihah cuts the cake into 2 equal parts.
1 Whole
ACTIVITY
1. Fold a strip of paper into two equal parts.
We see that two halves are equal to 1 whole.
2. Next, fold a strip of paper into 3 equal parts.
Three-thirds are equal to 1 whole.
3. Complete the following:
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