Triangles
Quadrilaterals
Terminology
Classification
Which one doesn't belong?
100

This type of triangle has all sides equal and all angles 60 degrees. 

What is equilateral triangle?

100

Has four sides, with all four sides congruent.

What is a rhombus?

100

What is the measure of a right angle?

What is 90 degrees?

100

What shapes is this? Be specific. 

What is a scalene triangle?
100

Which one doesn’t belong?
A) Triangle
B) Square
C) Rectangle
D) Kite

What is triangle? 

Triangle three sides whereas the rest are quadrilaterals. 

200

This type of triangle has no equal sides or angles.

What is scalene triangle?

200

How many lines of symmetry does a square have?

What is 4?

200

What do you call two lines that never intersect?

What is parallel?

200

What is this shape?

What is trapezoid?

200
​Which one doesn't belong?
​A) Square
B) Rectangle 
C) Trapezoid
D) Rhombus​​

What is trapezoid? 

Because trapezoids do not have two pairs of parallel lines. 

300

This type of triangle has one angle greater than 90 degrees.

What is an obtuse triangle?

300

A quadrilateral with one pair of parallel sides. 

What is a trapezoid?

300

A straight line that cuts through a shape and divides it into two equal halves is called what?

What is line of symmetry?

300

What is this shape?

What is rectangle?

300

Which one doesn’t belong?
A) Equilateral Triangle
B) Isosceles Triangle
C) Scalene Triangle
D) Right Triangle

What is right triangle? 

Right triangle is defined by its angle while the others are defined by their side lengths.

400

A triangle with three angles less than 90 degrees. 

What is an acute triangle?

400

A four sided shape with four right angles and opposite sides are equal and parallel.

What is a rectangle?

400

What do you call two lines that intersect to form a 90-degree angle?

What is perpendicular?

400

What shape is this?

What is rhombus?

400
Which one doesn't belong?
a) Rhombus
b) Square
c) Equilateral Triangle
d) Rectangle

What is rectangle? 

Rhombus, square, and equilateral triangles must have equal sides, rectangles do not. 

500

What is the missing angle of a triangle that has angles measuring 45, 90, and ____________ degrees. 

What is 45 degrees?

500

What are three shapes that are also parallelograms?

What are squares, rectangles, and rhombuses?

500

What do you call 2D shapes with straight lines?

What is a polygon?

500

This is a square. How else could you classify this shape? Consider 3 other classifications.

What is a rectangle, rhombus, and parallelogram?

500

Which one doesn't belong?

a) Parallelogram

b) Square

c) Equilateral triangle

d) Isosceles triangle

What is parallelogram?

No line of symmetry 

(does not have to have one).