Determine if the two shapes are congruent or not
congruent. Write congruent if the two shapes are;
and write not congruent if the shapes are not the
same size and shape.
Do you understand what the term congruent
means?______________
Can you determine a slide shape? ________________
Would you recognize a flip
shape?_________________
Are you able to tell when a shape has been
turned?_______________
Do you feel more confident about shapes after viewing
this lesson?____________________
Did you enjoy this smart notebook lesson? If so color
the smiley face.
Congruent
Shapes
Slide
Flip
Turn
Example:
S
T
F
eGames . (2010). RoboPacker.
Flip, Slide, Turn. (2011). Super Teacher Worksheets .
Geometry: Flip, turn, and slide. (2011). IXL.
MaggieB, M. (2011, March 9). Introductory lesson on flips, slides, and turns.
Smart Exchange. Retrieved from
http://exchange.smarttech.com/details.html?id=597f523e-b284-4721-88077860a1eba808
Reys, R., Lindquist, M., & Smith , N. (2009). Helping Children Learn
Mathematics. (9th ed.). Danvers: John Wiley & Sons, Inc.
Slide, Flip and Turn . (2011). HMH School Publishers . Retrieved from
http://www.harcourtschool.com/activity/icy_slides_flips_turns/
Slide, Flip, Turn. (2011). Joelson.
Content Objective:
Determine if two objects are congruent through a slide, flip or turn.
Process Objective:
Problem Solving: Students will solve problems that arise in real world situations
Reasoning and Proof
Communication: Students will organize and consolidate their mathematical thinking through communication with
their partner
Connections: Students will connect the mathematics to contexts in the real world
Representations
Corresponding NCTM Standards:
Geometry Grades 3-5 Apply transformations and use symmetry to analyze mathematical situations
Predict and describe the results of sliding, flipping, and turning two-dimensional shapes
Describe a motion or a series of motions that will show that two shapes are congruent
Background Knowledge:
General knowledge of basic shapes
line symmetry
Development of Content:
Students will develop a understanding of the congruency of basic shapes and learn manipulations which may take
place and allow the shape to remain the same shape and size.
Mathematics: 3rd Grade
1.
Launch/Engage
“Where might we find a shape? (wait for response) Are all shapes the same size? (wait for response) Do you think some
shapes keep their size? (wait for response) Think of items that we use every day and think of their shape. Now think of what we
can do with these items and try to decide if the items keep their shape based on how we use them. Think in terms of sliding,
flipping and turning. Who can give me an example? (wait for response) An example would be we flip eggs in a frying pan and
the eggs flip over, but remain the same in size.”
2.
Investigative Task
“Today we will determine congruent shapes as a slide, flip or turn. We will discuss how changing the direction or view of the
shape, will not change the size or congruency of the shape. You will participate in several activities dealing with congruent
shapes and telling whether they are a slide, flip or turn.”
3.
Discuss
“Who can tell me what a congruent shape is? (wait for response) The word congruent means having the same size or shape;
equal. There are several ways to manipulate a shape and yet keep the shapes congruency. Some manipulations are to slide, flip
and turn.”
4.
Practice/Extend
“You will practice determining congruent shapes in slides, flips and turns by using many different methods including;
representation processes, literacy connections and internet games.”
5.
Assessment/ Evaluation
Teacher evaluation will consist of students completing a slide by determining the shapes of congruency.
Student self-evaluation will consist of students answering simple yes and no questions relating to the smart notebook lesson.
6.
Closure/Ending
“Who can tell me what we have discussed today? (wait for response) Today we learned about congruent shapes and how they
can be manipulated. What does the term congruent mean? (wait for response) Congruent means the same or equal. What are the
ways that shapes can be manipulated? (wait for response) Shapes can slide, flip or turn and still keep their congruency. I hope
you all enjoyed this smart notebook and learned some meaningful attributes of congruent shapes.”