There are three equal parts.
The red tile shows one of three parts, or 1/3.
There are 3 equal parts.
The red tiles show two of six parts, or 2/6.
Chapter 22 Parts of a Group
Lesson 1 Parts of a Group
Using color tiles or colored squares of construction paper (pieces of colored cereal works great too)
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| This group has 3
tiles.
There are three equal parts. The red tile shows one of three parts, or 1/3. |
This group has 6 tiles.
There are 3 equal parts. The red tiles show two of six parts, or 2/6.
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Using your own manipulative... colored squares, tiles, cereal... or draw circles and color;
 | one part green of four equal parts |
| one part blue of six equal parts |
| one part blue of two equal parts |
| two parts red of five equal parts |
| four parts yellow of eight equal parts |
Write a fraction for each of your pictures or models.
Lesson 2 Fractions of a Group
(Using color tiles, paper, cereal, or your choice of manipulative)
Writing a fraction that names part of a group.
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part that is yellow 1/ 3 total parts numerator /denominator |
part that is yellow 1/3 total number of parts numerator / dominator |
Write
a fraction that names the part of the group that is blue.
| Draw five circles and shade 2 circles... Write a fraction for the part your colored. |
| Draw four circles and shade 3 circles...Write a fraction for the part your colored. |
| Draw eight circles. Make four equal groups and color 1 group. Write a fraction for the part your colored. |
| Draw twelve circles. Make three equal groups and color one of the groups. Write a fraction for the part your colored. |
Susie made 6 cupcakes. She put the cupcakes into 3 equal groups and gave one part to her little sister. What part of the cupcakes did Susie give her little sister?
Internet Sites for Fractions;
| All About Fractions tutorial lessons |
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Harcourt School -- E-Lab chapter 22 |
Make up your own problem...
Lesson 3 More About Fractions of a Group
If Susie and her brother order a pizza and her brother eats 2/6 of the pizza, what part of the pizza is left for Susie?
If Susie makes a dozen cookies and she burns 4/12 of the cookies, how many cookies are left that are good to eat?
Lesson 4 Comparing Parts of a Group
You can compare parts of a group as greater than <, Less than <, or equal to =.
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