Which One Doesn't Belong: Fourth & Fifth Grade
Common Core State Standards
Math 
Math 
4 
Grade 4 
G 
Geometry 
A 
Draw and identify lines and angles, and classify shapes by properties of their lines and angles 
2 
Classify twodimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles. 
Download Common Core State Standards (PDF 1.2 MB) 
Common Core State Standards
Math 
Math 
4 
Grade 4 
G 
Geometry 
A 
Draw and identify lines and angles, and classify shapes by properties of their lines and angles 
3 
Recognize a line of symmetry for a twodimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify linesymmetric figures and draw lines of symmetry. 
Download Common Core State Standards (PDF 1.2 MB) 

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A "Which One Doesn't Belong" routine encourages students to reason about the similarities and differences among a set of numbers, expressions, shapes, or images.
Tch visited Kristin's Gray's school. Watch the video.
Teacher & School Info

Jennifer Guido
 School Details
 Shields (Richard A.) Elementary School Lewes, DE
 Population
 722 students
 District Spending
 $14,381
Supporting Materials

Lesson Plan: Which One Doesn't Belong Guide.PDF

Student Work: Student Journals.PDF

Reflection and Resources.PDF
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Tch Special Which One Doesn't Belong: Fourth & Fifth Grade
Grades 45 / Math / Tch Diy