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The more questions you answer correctly, the more stars you'll unlock!
Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.
Unlock harder levels by getting an average of 80% or higher.
Earn up to 5 stars for each level
The more questions you answer correctly, the more stars you'll unlock!
Each game has 10 questions.
Green box means correct.
Yellow box means incorrect.
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Grade 6 - Shape and Space
Standard 6.SS.2 - Use the fact that the angle sum of triangles is 180º and quadrilaterals is 360º to find the missing interior angle.
Included Skills:
Demonstrate that the sum of interior angles is:
• 180° in a triangle.
• 360° in a quadrilateral.
• Explain, using models, that the sum of the interior angles of a triangle is the same for all triangles.
• Explain, using models, that the sum of the interior angles of a quadrilateral is the same for all quadrilaterals.
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