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26 Cards in this Set
 Front
 Back
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

Answer to a subtraction problem


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


denominator

The bottom number of a fraction


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

Answer to an addition problem


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 

addend

numbers you add together in an addition problem
