Spelling
Name: ______________________ Date: ____________
Write the missing letters on the lines to finish each word.
1.
c
i
l
A number in the ___ system
2.
g
p
A visual representation of the relations between certain quantities, represented as points
3.
d
e
d
Being ten more than ninety
4.
a
r
n
A perceptual structure
5.
o
t
i
t
The ratio of two quantities to be divided
7.
d
i
i
o
One of the portions into which something is regarded as divided and which together constitute
8.
r
g
i
z
To arrange by systematic planning and united effort
9.
a
i
o
n
A number written as one quantity divided by another, with a nonzero denominator.
10.
c
h
l
e
Questioning a statement and demanding an explanation
11.
n
u
e
r
The dividend of a fraction
12.
b
a
t
i
n
An arithmetic operation in which the difference between two numbers is calculated
14.
l
o
n
A closed plane figure bounded by straight sides
15.
e
r
e
e
The boundary line or the area immediately inside the boundary
16.
o
a
i
n
A transformation in which the coordinate axes are ___ by a fixed angle about the origin
17.
r
f
l
i
o
The phenomenon of a propagating wave being thrown back from a surface
18.
t
r
n
a
n
A written communication in a second language having the same meaning as the written communication
19.
r
o
b
l
y
A measure of how likely it is that some event will occur
20.
c
l
u
a
o
A small machine that is used for mathematical ___