Gr.3: Geometry (Ready Lesson 31-33)

Which shapes belong to both of these groups: "4 sides" and "no sides the same length."

Check the box if the shapes belong to both of these groups.

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Pablo sorted these shapes using a Venn diagram as shown.

He says a trapezoid can never go in the middle part of the Venn diagram where the two circles overlap.

Which sentence best explains why Pablo is correct or not correct?

• Pablo is correct because trapezoids are not quadrilaterals.

• Pablo is not correct because trapezoids are quadrilaterals that can have square corners.

• Pablo is not correct because some trapezoids are quadrilaterals with no square corners.

• Pablo is correct because trapezoids are quadrilaterals with no square corners.

Anya sorts shapes into groups. Which shape below belongs in the group "all sides the same length"?

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Raoul wants to sort shapes into these groups:

• parallelogram
• quadrilateral
• rhombus

Which shape belongs to only one of Raoul's groups?

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Rachel draws a rectangle. Which statement about Rachel's rectangle is true?

Check the box if the statement about Rachel's rectangle is true.

• Rachel's rectangle is a parallelogram that has four square corners.

• Rachel's rectangle has either 2 pairs of sides the same length or all sides the same length.

• Rachel's rectangle may or may not be a quadrilateral.

• Rachel's rectangle could be a rhombus.

Cho is hanging a mirror on the wall. Which words can be used to describe the shape of the mirror?

Check all the correct answers.

• quadrilateral

• rectangle

• rhombus

• parallelogram

• square

Sharon made a list of attributes:

• 4 sides
• 4 angles
• 2 pairs of parallel sides
• 2 pairs of sides the same length

Which shapes have all the attributes? Check the box if the shape has all attributes.

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Which shapes are divided into parts equal to $\frac{1}{6}$  of the shape? 
Check all the correct answers.

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Alex shades  $\frac{1}{3}$  of the shape shown. How many parts does he shade?

Answer: Alex shades _________ parts to cover  $\frac{1}{3}$  of the shape.

Clara divides a rectangle into 4 equal rows with 2 squares in each row. What fraction of Clara's rectangle is covered by 4 squares?

• $\frac{1}{3}$

• $\frac{1}{4}$

• $\frac{1}{2}$

• $\frac{1}{8}$