Math Practice 101
Homework Explained - Math Practice 101

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Grade 3 Go Math Practice - Answer Keys
Chapter 12: Review/Test


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  • Question 15 (request help)

    Give two reasons that this shape is not a polygon.
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  • Question 16 (request help)

    A triangle has 1 angle greater than a right angle. What must be true about the other angles? Mark all that apply.
    • At least one must be less than a right angle.
    • One could be a right angle.
    • Both must be less than a right angle.
    • One must be greater than a right angle.
  • Question 17 (request help)

    Ava drew a quadrilateral with 2 pairs of opposite sides that are parallel. The shape has at least 2 right angles. Draw a shape that Ava could have drawn.
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  • Question 18 (request help)

    For 18a–18d, select True or False for each description of a ray.

    a. straight
    • True
    • False

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