Adding Unlike Fractions
What is 1/2 + 1/3
5/6
What is 1/2 - 1/3
1/6
Whats the definition of a quadrilateral?
* 4 sided polygon
* Straight lines only
* Lines do not cross
* Closed shape
What do you call a triangle with 3 acute angles?
An acute triangle
What is a 3-sided polygon called?
A triangle
What is 2/6 + 4/12
8/12 or 2/3
What is 5/6 - 1/2
2/6 or 1/3
* Quadrilateral with 1 pair of opposite parallel sides
What do you call a triangle that has 2 congruent sides?
Isosceles triangle.
What is a 5-sided polygon called?
A pentagon
What is 1/5 + 3/15
6/15 or 2/5
What is 9/12 - 1/2
3/12 or 1/4
Describe a parallelogram
A quadrilateral with 2 pairs of opposite parallel sides
What is an obtuse triangle?
A triangle (3-sided polygon) that has 1 obtuse angle (angle is greater than 90 degrees)
What is a 6-sided polygon called?
Hexagon
What is 2/3 + 1/4
11/12
What is 12/15 - 3/5
3/15 or 1/5
Describe a rhombus
What are the 3 names of triangles described by their side lengths?
Equilateral, Isosceles & Scalene
What is a 7-sided polygon called?
A heptagon
What is 2/3 + 3/4
17/12 or 1 5/12
What is 2 - (1 1/7)
6/7
Because it doesn't have all sides that are congruent. Only opposite sides are congruent in a rectangle.
What are the 3 names of a triangle based on its angles?
Acute, Obtuse & Right
What is a 12-sided polygon called?
Dodecagon