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A-B | C | D-E | F-K | L-O | P-Q | R-S | T-Z
1-2 area the amount of a unit of
measurement needed to cover a shape 2 arm span the distance from fingertip to
fingertip of a person 1-2 axis a straight line that divides an
object symmetrically see horizontal and vertical 1-2 balance to make one side or half look
the same as the other side (see symmetry) 1-2 bar graph a graph in which horizontal or
vertical bars represent data 2 benchmark used as a comparison in order
to estimate a larger quantity 2 bit a base ten piece used to
represent ten
GRADE LEVEL(S)
TERM
DEFINITION
1 circumference distance around a circle or
sphere 1 corner two line segments that meet and
form an angle 1-2 counting on to count from a specified
number to another specified number 1-2 cube a dimensional shape where all
six faces are the same size and shape 1-2 cube face a side of a cube 1-2 cubic units the unit in which volume
measurements are used 1-2 cylinder a dimensional shape having a
curved surface and parallel bases the same size (like a
can)
GRADE LEVEL(S)
TERM
DEFINITION
1-2 data information gathered by
observation, questioning, or measurement 1-2 data table a way of organizing information
gathered by observing, questioning or measuring 1-2 diagonal segment that connects two
vertices of a polygon and is not a side 1-2 doubles to add like numbers
together 1 edge a line segment where two faces
of a polyhedron meet K-1-2 estimate a calculation of a close,
rather than exact, answer 1-2 even number 0, 2, 4, 6, 8
GRADE LEVEL(S)
TERM
DEFINITION
1-2 face a flat surface on a solid
figure K-1 fair share a method of dividing something
into equal amounts 2 flat a base ten piece used to
represent one hundred 1-2 flat face a flat surface on a dimensional
shape 2 flips the act of moving one shape
over on a given line (mirror image) 2 function machine an imaginary machine that
processes numbers according to a given rule 1-2 hexagon a 6-sided solid
figure 1-2 horizontal axis a line parallel to the horizon
on a graph 1-2 interval the span between 2 given
numbers
GRADE LEVEL(S)
TERM
DEFINITION
K-1-2 line symmetry balanced sides of a
design--same on both sides of the line 1-2 median middle number for data in a
given set of data 1-2 number sentence a written equation 1-2 octagon an 8-sided polygon 1-2 odd number 1, 3, 5, 7, 9... 1 one to one
correspondence the relationship of a number(s)
to an object(s) (matching) 1 origin a reference point; also called
Mr. O.
GRADE LEVEL(S)
TERM
DEFINITION
1-2 parallelogram a quadrilateral whose opposite
sides are parallel 1 part the addends of addition (part +
part = whole) 1 pattern unit the part of the pattern that is
repeated 1-2 pentagon a polygon with 5
sides 1-2 perimeter the distance around a
shape 1-2 plus another name to indicate
operation of addition 1-2 point the place where measuring
begins 1 polygon a closed figure with 3 or more
sides 1-2 prediction an estimate based on previous
knowledge 1-2 prism a solid figure with 2 parallel
faces that are the same size and shape 1-2 quadrilateral a polygon with four
sides
GRADE LEVEL(S)
TERM
DEFINITION
2 range the numbers between the
greatest and smallest number 1 rectangular prism a prism with a rectangular
base 1-2 rhombus a parallelogram whose sides are
all the same length 2 rotational symmetry a figure has rotational
symmetry if it can be turned on a point and still match~ the
original figure 2 side any one of the line segments
that make up a polygon 2 skinny a base ten piece used to
represent ten 1-2 skip counting to count by 2's, 5's and 10's
or other intervals 2 slides a transformation which moves a
figure in any direction without turning or
flipping 1-2 sphere a solid circular shape
(ball) 1 square unit a unit of measurement for
area 1-2 sum the answer to an addition
problem 1-2 symmetry a figure that can be folded
along a line so that the 2 sides match exactly
GRADE LEVEL(S)
TERM
DEFINITION
1-2 tally to use a slash mark to count
data where every fifth slash mark crosses the prior four
slashes K-1-2 ten frame a rectangle divided into 10
squares 2 transformation a way of moving a figure from
an original position to a new position (flips, slides and
turns) 1 translating patterns
to use letters to identify a
pattern 1-2 trapezoid a quadrilateral that has
exactly one pair of parallel sides 1-2 trial a test in a lab
experience 1-2 triangular prism a prism whose base is a
triangle 2 triangular pyramid a pyramid whose base is a
triangle 2 turn a transformation which rotates
a figure 1-2 vertical axis a line that intersects the
horizon on a graph 1-2 volume the number of cubic units to
sill a solid 1 whole the answer to an addition
problem (part + part = whole) 1 width the shorter of the two sides of
a closed shape
GRADE LEVEL(S)
TERM
DEFINITION
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