Teaching the Common Core Math Standards With Hands-On Activities, Grades 3-5 (11 page)

5.
Instruct your students to take another strip. They should fold this strip in half, then fold it in half again. After opening the strip, they should label each part

6.
Instruct your students to take another strip. They should fold this strip in half, fold it in half again, and fold it in half once more. After opening the strip, they should label each part

7.
Instruct them to take another strip. They are to fold this strip in thirds. After opening the strip, they should label each part

8.
Instruct your students to take the final strip. They are to fold this strip in thirds, then fold it in half. After opening the strip, they should label each part

9.
Using these strips, ask your students questions such as the following:

• What strips represent
  ? (Answer: Two parts of the
  strip or four parts of the
  strip)
  
• What strips represent
  ? (Answer: One part of the
  strip or two parts of the
  strip)
  
• What strips represent 1 whole? (Answer:
  parts or one
  1 whole
  strip)
  

Closure

Ask your students to explain how fraction bars help them to understand fractions.

Number and Operations—Fractions: 3.NF.2

“Develop understanding of fractions as numbers.”

2. “Understand a fraction as a number on the number line; represent fractions on a number line diagram.

a.
“Represent a fraction
on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into
equal parts. Recognize that each part has size
and that the endpoint of the part based at 0 locates the number
on the number line.