Second Grade Math Vocabulary Flashcards

Terms Definitions
15+15
30
math
1+2=3
11 + 9
20
plane figure
any 2-dimensional figure
perimeter
The distance around a figure
consecutive
following one another without interruption
teaspoon (tsp)
a customary unit of capacity
output
The end result of a function.
millimeter (mm)
a metric unit of length
approximately
nearly exact; not perfectly accurate or correct
benchmark
A point of reference from which measurements can be made.
isometric dot paper
Used to draw space figures
trapezoid
a quadrilateral with 1 pair of parallel sides and 1 pair of sides that are not parallel
percent
a ratio that represents parts per hundred.
polygon
plane shape with three or more straight sides
metric system
A decimal system of weights and measurements based on the meter as its units of length, the kilogram as its unit of mass and the liter as its unit of capacity.
TREND
A clear direction in a graph that suggests the future.
pyramid
A solid pointed figure with a flat base that is a polygon
pentagon
a polygon with 5 sides and 5 vertices
Octagon
A polygon with eight sides and eight angles
coordinate plane
graph with two axes and four quadrants
numerator
The number above the bar in a fraction. It tells the number of equal parts being considered.
period
a group of 3 digits in a number separated by a comma from the other digits
box plot
A diagram, constructed from a set of numerical data, that shows a box indicating the middle 50% of the ranked statistics, as well as the maximum, minimum and medium statistics.
divisibility
Rules that are used to find if a number is divisible by numbers such as 2, 3, 4, 5 ,6, 9, or 10. Number must be capable of being divided with a remainder of zero.
circle
A closed figure in a plane having all points the same distance from a given point the center
POSITIVE RELATIONSHIP
Trend of a scatterplot is up to the right.
Regular Polygon
A polygon that has sides that are the same length
COMPOSITE NUMBER
a whole number greater than 1 that has more than two factors
Zero Property of Multiplication
the product of any number and 0 is 0.
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