Module 18: 4th Grade (Form A)

How can Beth decide if a shape has a line of symmetry?

• Fold on a line to see if the two parts are triangles.

• Fold on a line to see if the two parts match exactly.

• Count if the shape has an odd number of angles.

• Count if the shape has an even number of sides.

Which line represents a line of symmetry for the circle?

• A

• B

• C

• D

Hektor draws a shape pattern following the rule square, square, circle, triangle, repeat.

What are the next two shapes in Hektor's pattern?

• square, square

• circle, circle

• circle, triangle

• triangle, square

Which shape has a line of symmetry?

• triangle

• trapezoid

• square

• pentagon

Sarah continues the pattern with the rule add 3 squares and draws the next figure. How many squares does Sarah draw in the next figure?

• 12

• 13

• 14

• 15

How many lines of symmetry does a regular pentagon have?

• 3

• 4

• 5

• 6

Reggie correctly draws all the lines of symmetry for a rectangle. How many lines does he draw?

• 1 Line

• 2 Line

• 3 Line

• 4 Line

Kara draws a shape with a line of symmetry. How many sides should she draw to finish the shape if it is a triangle?

• 1 Line

• 2 Line

• 3 Line

• 4 Line

True or False: Line A shows a line of symmetry?

• True

• False

True or False: Line B shows a line of symmetry?

• True

• False