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Description
Critical Thinking Company : Understanding GeometryDescription & Features The successful completion of this colorful 272 page book will prepare middle schoolers for high school geometry. It covers more than 50% of the concepts taught in high school geometry using a step by step approach and teaches the reasoning behind the properties taught in geometryinstead of merely asking them to memorize them. Students are also taught the basics of geometric proofs and coordinate geometry in a way middle school
Description & FeaturesThe successful completion of this colorful 272-page book will prepare middle schoolers for high school geometry. It covers more than 50% of the concepts taught in high school geometry using a step-by-step approach and teaches the reasoning behind the properties taught in geometry“instead of merely asking them to memorize them. Students are also taught the basics of geometric proofs and coordinate geometry in a way middle school students can understand. Students who struggle with high school geometry usually have lower standardized test scores because it is a fundamental subject in high school standardized testing.A glossary of terms that every student should master is included. This book can be used as a classroom textbook in Grades 7, 8, or 9 (usually over a two-year period) or as a reference for high school students. This book covers more than the National Math Standards for middle school mathematics.
This book contains the answers. A free, downloadable Detailed Solutions (PDF) is also available.
Contents
¢ Geometry Notation ¢ Lines ¢ Planes ¢ Angles”Types and Properties ¢ Pythagorean Theorem ¢ Polygons ¢ Quadrilateral Properties ¢ Parallelogram Properties ¢ Perimeter ¢ Circumference ¢ Pi ¢ Trapezoids ¢ Geometric Constructions ¢ 3D Shapes”Prism, Cylinders, Pyramids, and Cones ¢ Symmetry ¢ Transformations”Reflection, Translations, Rotations, and Dilations ¢ Tessellations ¢ Proofs ¢ Congruency ¢ Slopes
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★★★★★ 5
Great mosquito repellent!!
Color: Black 1 Devices 2 Refills
This works great and repels mosquitoes for 5-6 hours. Definitely recommend and smell is nice not harsh chemical smell like some.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
I like
Color: Black 1 Devices 2 Refills, Color: Black 1 Devices 2 Refills
I’ve been using this device on my patio and it actually makes a noticeable difference. It’s compact, easy to carry around, and I like that it’s rechargeable. The coverage is decent for small outdoor areas, and the refills are simple to swap out. Perfect for camping or relaxing outside without constantly swatting bugs. Definitely worth it for the price
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Reviewed in the United States on April 27, 2026
★★★★★ 1
The product doesn't work.
Color: Black 1 Devices 2 Refills, Color: Black 1 Devices 2 Refills
This product is completely useless. I turned it on, and flies swarmed all around it—even landing right on top of it. It's false advertising. Don't buy it.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Performance
Color: Black 1 Devices 2 Refills
It did a great job on my porch. It’s well worth it to get.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Really works.
We love the whitening sticks as they are easy to use, and work.
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Reviewed in the United States on May 9, 2026
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