Geometry
Fractions
100

Angles on a straight line measures

180 degrees

100

the top number in a fraction is called 

the numerator

200

Acute angles measure

less than 90 degrees

200

The bottom number in a fraction is called 

the denominator

300

Obtuse angles measure

greater than 90 degrees

300
The denominator in a fraction tells

how many equal parts the whole is divided into

400

Triangles having all sides equal is called

an equilateral triangle

400

A mixed number is made up of a

whole number and a fraction

500

Right angles measure

90 degrees

500

the fraction bar separates 

the numerator and the denominator