Module 18 -- Symmetry and Patterns

15

A pattern develops from the dot figures. How many dots will the 5th figure in the sequence contain?

no

Does this shape have a line of symmetry?

yes

Does this shape have a line of symmetry?

R

During a grammar lesson, a teacher writes four letters on the board. CHRX Which letter has no lines of symmetry?

circle, triangle

Hektor draws a shape pattern following the rule square, square, circle, triangle, repeat. What are the next two shapes in Hektor's pattern?

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

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

6

How many lines of symmetry does the figure have?

1

How many lines of symmetry does the letter W have? W

5

How many lines of symmetry does this regular pentagon have?

hexagon

If the pattern continues, what will the next shape be?

B

Is line B or C a line of symmetry? If so, which one?

4

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

pentagon

Look at the pattern. What is the 8th picture in the pattern?

2

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

12

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?

32

The table shows the first four terms in a pattern. How many stars will be in the 6th term of the pattern?

A

Which line represents a line of symmetry for the circle?

square

Which shape has a line of symmetry?