# Math 54 Vocabulary

## Terms

undefined, object
copy deck
perpendicular lines
lines that intersect to form a right angle;
they look like a cross
triangle
has three sides
Digits
symboles used to write numbers
Ordinal numbers
these numbers tell you the order of
things:
First, second, third,...
Mixed number
6 1/2 is an example; it contains a whole number
and a fraction
line segment
A line that ends
Difference
fraction
represents part of a whole
circle
shape has nos sides just a curved
line
Metric Systen
is an international system of measure
based on units such as meters, liters,
and grams
sequence
numbers that follow a rule or pattern
number sentence
5 + 6 = 11 is an example of this. It contains
both numbers and symbols.
numerator
The top number of a fraction
denominator
The bottom number of a fraction
kilometer
1000m
borrowing
Exchanging a ten dollar bill for 10 ones. You do
this when you subtract.
whole numbers
Counting numbers plus zero
even numbers
numbers you can split up evenly
rectangle
shape that has 2 sides one length
and the other sides have a different
length
Sum
Counting Numbers
The numbers 1, 2, 3, 4 are examples of
square root
opposite of squaring a number
right angle
angle that is formed when you have
perpendicular lines
square
has four sides that are all the same
size