Terms
What is a quadrilateral? (Can draw one to answer)
A shape with 4 sides
Draw a quadrilateral that fits the description;
Has 4 sides of equal length
Square or rhombus
Which statements could be true about a rhombus?
SAY ALL ANSWERS!
(1) It has 3 sides
(2) It has 4 sides
(3) it has 0 right angles
(4) it has one pair of parallel lines
(5) it has no parallel lines
2 and 3.
Draw a right angle
A 90-degree angle
What is this called?
⤯
(1) Parallel lines, (2) line segments, (3) intersecting lines
(3) intersecting lines
What does it mean if lines are parallel? (may draw to help explain)
They go in the same direction and never intersect.
Draw a quadrilateral that fits the description;
Only 1 pair of opposite sides that are parallel
trapezoid
What is a parallelogram?
(1) A shape with all right angles
(2) A shape with all parallel sides
(3) A 4-sided shape with all parallel sides
(3) A 4-sided shape with all parallel sides
Draw an angle greater than a right angle
an angle greater than a right angle (obtuse angle)
What correctly describes a polygon's sides?
(A) The number must me less than or equal to 6
(B) The number must be greater than or equal to 3
(C) The number must be greater than or equal to 4
Hint: squares, and pentagons are polygons.
(B) The number must be greater than or equal to 3
What does it mean when lines are perpendicular? (may draw to help explain)
They cross or intersect each other at a 90-degree or right angle.
Draw a shape that is NOT a quadrilateral
Anything that does NOT have 4 sides
The shape is a quadrilateral because it has 4 ____
It is a parallelogram because it has 2 sets of ____
Word bank: sides, angles, right angles, equal sides, parallel sides
The shape is a quadrilateral because it has 4 sides
It is a parallelogram because it has 2 sets of right angles
Draw an angle that's less than a right angle.
An angle that's less than a right angle (acute angle).
Come to the board and point at the following;
point, ray, line segment
<--•---------•------->
<--•---------•------->
ray: the end section or "•------->", line segment: the middle section or "•---------•", and point: the point or "•".
What does it mean when lines are intersecting? (may draw to help explain)
Where two or more lines cross each other.
Draw a shape with a set of parallel sides.
Any shape with a set of sides that do not touch.
Fill in the blanks for a triangle;
The shape has __ right angles, __ angles greater than a right angle, and __ angles less than a right angle.
The shape has 0 right angles, 0 angles greater than a right angle, and 3 angles less than a right angle.
What type of angle does a hexagon have?
All the angles are greater than a right angle
True or false; •---------•
(1) This figure is straight
(2) This figure is part of a line
(3) This figure is called a point
This figure is a line segment.
(1) This figure is straight - TRUE
(2) This figure is part of a line - TRUE
(3) This figure is called a point - FALSE