3-5
During this lesson, students create their own classroom survey or use previously generated questions to study the class and describe the set [class] in fractional parts. This lesson requires that students identify fractions in real-world contexts from a set of items that are not identical. This lesson is integrated with other areas of the math curriculum, including data analysis and statistics.
3-5
The previous lessons focused on the set model where all objects in the
set are the same size and shape. Students also need work with sets in
which the objects “look” different. In the real world, we are often
faced with fraction situations where the objects in the set are not
identical. For this lesson, students use fractions to describe a set of
attribute pieces. Students develop skill in problem solving and
reasoning as they think about their set and how to create new sets
given specific fractional characteristics.
3-5
Students use twelve eggs to identify equivalent fractions. Construction paper cutouts are used as a physical model to represent various fractions of the set of eggs, for example, 1/12, 1/6, and 1/3. Students investigate relationships among fractions that are equivalent.
3-5
Students continue to examine fractions as part of a set. This lesson helps students develop skill in problem solving and reasoning as they examine relationships among the fractions used to describe part of a set of eighteen.
3-5
Students begin to examine fractions as part of a set. This lesson helps students develop skill in problem solving and reasoning as they examine relationships among the fractions used to describe part of a set of 12.
3-5
Students use classification skills to compare and contrast versions of the
Cinderella
story. Students identify similarities and differences between two
versions. In addition, they use attributes to classify and sort
information.
3-5
This lesson uses the story of
The Three Little Pigs
to motivate students to think and reason mathematically in a
number of ways. Students develop reasoning skills and identify
similarities and differences through the use of Venn Diagram. Spatial
reasoning is also emphasized in this lesson.
3-5
Students are familiar with sports and sporting events. Whole numbers
and fractions are used to represent the size of groups or collections
and measurements involving lengths, weights, and times in many sporting
and game situations. This knowledge can be used to give the students
another picture of numbers.
3-5
A post office is a good example of a real-world environment in which numbers of different types can be found. Whole numbers and fractions are introduced. Numbers that occur in a greater variety of measurement situations can also be introduced. At this level, students should be encouraged to elaborate on the way numbers are used.
3-5
Students participate in an activity in which they investigate the data
in connection with recyclable materials and develop plans to help the
environment. Students discuss the pros and cons of using various types
of bags at the grocery store. Classmates are surveyed to determine
which type of bag is the "best".
