Lesson 5 - BGRS - Engaging Students

Math 5
Unit 1
Lesson 5
Fraction Models
Let’s Explore
Exploration 1: What Fraction of the Bag?
Materials: Small bag or package of multicoloured objects, Pencil
1.Open your bag of objects and record the name of each colour
in the table.
2.
Group the objects by colour.
3.
Count the number of objects in each group and record in your table.
4.
dd up the number of each group to find the total number
A
of objects.
Math 5
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Math 5
Unit 1
5.
Lesson 5: Fraction Models
Write a fraction for each colour of objects in the bag.
Colour
Number of this Colour
Fraction of Total
Let’s Explore
Exploration 2: Fraction Models
Materials: Fraction Strips, Pencil
1.Identify fractions equivalent to 1 by comparing lengths of
2
fraction strips.
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Math 5
Unit 1
Lesson 5: Fraction Models
1
2.Identify fractions equivalent to 3 by comparing lengths of
fraction strips.
3
3.Identify fractions equivalent to by comparing lengths of
4
fraction strips.
Let’s Explore
Exploration 3: Comparing Fractions
Materials: Pencil crayons
For 1 - 5: Alyssa has 5 blue marbles, Daksha has 9 red marbles, and
Nina has 4 yellow marbles.
1.
Math 5
Draw a picture of the problem using your pencil crayons.
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Math 5
Unit 1
Lesson 5: Fraction Models
2.
What part of the marbles are red?
3.
What part of the marbles are blue?
4.
What part of the marbles are yellow?
5.Write the fraction of the marbles that each kid has, in order from
least to greatest.
For 6 - 8: Cameron colours 1 of the rectangle green. Lian colours 1
4
2
of the rectangle purple. Zach colours 3 of the rectangle orange.
8
6. Colour the parts of the rectangle as described.
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Math 5
Unit 1
Lesson 5: Fraction Models
7.
Who has the largest part of the rectangle shaded?
8.
Write the fractions in order from least to greatest.
Let’s Practice
For 1 - 4: In a bag there are 3 green marbles and 5 blue marbles.
1.What is the total number of marbles that are in the bag? ____________
2.How many are green? ____________ How many are blue? ___________
3.What fraction of the marbles are green? ____________
4.What fraction of the marbles are blue? ____________
For 5 - 8: A farmer has twelve sheep. One is black and the rest
are white.
5.
What is the total number of sheep? ____________
6.How many are black? ____________ How many are white? ___________
7.
What fraction of the sheep are black? ____________
8.
What fraction of the sheep are white? ____________
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Math 5
Unit 1
Lesson 5: Fraction Models
For 9 - 13: Use the given figure to answer the following questions.
9.
What is the total number of parts in the circle? ___
10. How many parts are shaded? ______
11. How many parts are not shaded? ______
12. What fraction of the circle is shaded? ______
13. What fraction of the circle is not shaded? ______
For 14 - 16: Write a fraction for the shaded part of each circle.
14. ____________
15. ____________
16. ____________
For 17 - 18: Use the blank circle to find a fraction equivalent to the
given circle.
17. 1 = ____________
4
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Math 5
Unit 1
Lesson 5: Fraction Models
18. 2 = ____________
3
For 19 - 27: Compare the following fractions. Complete with
<, > or =. Use your fraction strips to help you.
1
2
19. 3 ______3
4
3
20. 8 ______ 8
3
2
21. 4 ______ 4
1
1
22. 3 ______4
1
6
23. 2 ______12
2
2
24. 5 ______ 6
1
5
25. 2 ______8
3
2
26. 4 ______ 3
27.
4
4
8 ______ 10
For 28 - 30: Order the fractions from least to greatest. Use fraction
strips, a pictorial representation or other concrete models to solve.
3 4 3
28. 12 , 10 , 5 _________________________
5 1 2
29. 8 , 2 , 3 _________________________
4 7 2
30. 6 , 12 , 5 _________________________
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Math 5
Unit 1
Lesson 5: Fraction Models
31. R
eflect:What would it mean if a fraction had a larger numerator
than its denominator?
Mixed
Review
For 1 – 3: What fraction of the picture is shaded?
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1.
_______________
2.
_______________
Math 5
Unit 1
3.
Lesson 5: Fraction Models
_______________
For 4 – 5: What is the value of the money shown?
4.
_______________
5.
_______________
Math 5
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Math 5
Unit 1
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Lesson 5: Fraction Models