Worksheets, examples, and solutions to help Grade 2 students learn how to recognize that equal parts of an identical rectangle can have different shapes.
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New York State Common Core Math Grade 2, Module 8, Lesson 12
NYS Math Grade 2, Module 8, Lesson 12
Download Worksheets for Grade 2, Module 8, Lesson 12 (Pdf)
Lesson 12 Concept Development and Homework
1. Partition the rectangles in 2 different ways to show equal shares.
a. 2 halves
b. 3 thirds
c. 4 fourths
d. 2 halves
e. 3 thirds
f. 4 fourths
2. Cut out the square at the bottom of this page.
a. Cut the square in half. Shade one half using your pencil.
b. Rearrange the halves to create a new rectangle with no gaps or overlaps.
c. Cut each equal part in half.
d. Rearrange the new equal shares to create different polygons.
e. Draw one of your new polygons from Part (d) below. One half is shaded!
3. Cut out the circle at the bottom of this page. Shade one half.
a. Cut the circle in half. Shade one half using your pencil.
b. Rearrange the halves to create a new shape with no gaps or overlaps.
c. Cut each equal share in half.
d. Rearrange the equal shares to create a new shape with no gaps or overlaps.
e. Draw your new shape from Part (d) below. One half is still shaded!
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