Maureen Curran and Mary Lou Aalbers

Hazelwood School District

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Teacher Tips

You will need to click the mouse to show the answers for activities. This will allow you to control the timing of answers shown.

Click on triangle in left corner of slide to select writing pen. Click on triangle and choose pointer options to hide pen before going to next slide.

Students must have a set of tangrams for hands-on activity.

Please take time to discuss possible solutions to problems. Frequently there will more than one way to solve a problem.

The following lesson is addressing these standards:

•Discover and evaluate patterns and relationships in information, ideas and structures. (MO1.6, 3.3)

•Develop and apply strategies based on one’s own experience in preventing or solving problems. (MO 3.3)

AB C

D E

F G

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Shapes D and ________ make a $4 square.D

G

AB C

D E

FG

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Shapes E, _____ and ________ make a $9 triangle.

D

GE

AB C

D E

F G

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Use pieces ______, _____, and ______ to make a $12 rectangle.

DC

G

FAB C

D E

G

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Use pieces _____, ____, ____ and ______, to make an $18 rectangle.

D F

C

G

DID YOU TRY THESE?

NOW USE ALL YOUR PIECES TO MAKE THE ORIGINAL RECTANGLE.

AB C

D E

F G

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