Lines of Symmetry
What is a line of symmetry?
A line that divides a shape into two mirror-image halves
What kind of pattern increases by the same amount each time?
Arithmetic pattern
Is a triangle always symmetrical?
No
What comes next? ▲, ●, ▲, ●, ___
▲
A shape with all sides equal and four right angles is a...
Square
How many lines of symmetry does a square have?
4
What type of pattern involves shapes repeating?
Geometric pattern
Is a heart shape symmetrical?
Yes
What comes next? 5, 10, 15, ___
20
Which tool helps you find a line of symmetry?
Mirror or folding the shape
How many lines of symmetry does a circle have?
Infinite
What is the next number: 2, 4, 8, 16...?
32 (doubles each time)
Does the letter A have symmetry?
Yes, one vertical line
Complete the pattern: ◼️, ◻️, ◼️, ◻️, ___
◼️
How many lines of symmetry does an equilateral triangle have?
3
Does a rectangle have diagonal lines of symmetry?
No
Name the pattern rule: 100, 90, 80, 70...
Subtract 10
Does the letter Z have a line of symmetry?
No
What comes next? 2, 4, 6, 8, ___
10
If a shape can be folded into two equal halves, it is...
Name a shape with only one line of symmetry.
An isosceles triangle
What kind of pattern is in this sequence: red, blue, red, blue, red...?
AB pattern
Blue
Can a shape be symmetrical with more than one line of symmetry?
Yes
Fill in the blanks: 3, ___, 9, ___, 15
6, 12 (add 3 each time)
What’s the difference between a repeating pattern and a growing pattern?
Repeating = same elements; Growing = increasing values or size