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3rd Grade STAAR Math

Place Value The value of a digit in a number, based on the location of the digit
Fraction A number that names a part of a whole or part of a group
Equivalent Having the same value or naming the same amount.
Standard Form A way to write numbers by using the digits 0-9, with each digit having a place value.
Expanded Form A way to write numbers by showing the value of each digit.
Word Form A way to write numbers in words.
Dollar Paper money worth 100 cents and equal to 100 pennies; $1.00.
Quarter A coin worth 25 cents and with a value equal to that of 25 pennies; 25¢; $0.25.
Dime A coin worth 10 cents and with a value equal to that of
10 pennies 10¢; $0.10
Nickel A coin worth 5 cents and with a value equal to that of
5 pennies 5¢; $0.05
Penny A coin worth 1 cent and with the value equal to that of 1 penny; 1¢; $0.01.
Line Segment A part of a line that includes two points called endpoints and all the points between them.
Parallel Lines in the same plane that never intersect and are always the same distance apart.
Congruent Same size and shape.
Right Angle An angle that measures exactly 90º and forms a square corner.
Vertices A special kind of point that describes the corners or intersections of geometric shapes.
Two-Dimensional Figures A figure that lies in a plane; a shape having length and width.
Polygon A closed two dimensional shape formed by three or more straight sides that are line segments.
Quadrilateral A polygon with four sides and four angles.
Parallelogram A quadrilateral whose opposite sides are parallel and of equal length.
Rhombus A quadrilateral with two pairs of parallel sides and four sides of equal length.
Trapezoid A quadrilateral with exactly one pair of parallel sides.
Square A quadrilateral with two pairs of parallel sides, four sides of equal length, and four right angles.
Rectangle A quadrilateral with two pairs of parallel sides, two pairs of sides of equal length, and four right angles.
Pentagon A polygon with five sides and five angles.
Hexagon A polygon with six sides and six angles.
Digit Any one of the ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9 used to write numbers.
Greater Than (>) A symbol used to compare two quantities, with the greater quantity given first.
Less Than (<) A symbol used to compare two quantities, with the lesser quantity given first.
Equal (=) Having the same value.
Compare To describe whether numbers are equal to, less than, or greater than each other.
Order A particular arrangement or placement of things one after the other.
Numerator The number above the bar in a fraction that tells how many parts of the whole or group are being considered.
Denominator The number below the bar in a fraction that tells how many equal parts are in the whole or in the group.
Equivalent Fractions Two or more fractions that name the same amount.
Number Line A line on which numbers can be located.
difference the answer to a subtraction problem
sum the answer to an addition problem
2's 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
3's 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
4's 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
5's 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
6's 6, 12, 18, 24, 30, 36, 42, 48, 54, 60
7's 7, 14, 21, 28, 35, 42, 49, 56, 63, 70
8's 8, 16, 24, 32, 40, 48, 56, 64, 72, 80
9's 9, 18, 27, 36, 45, 54, 63, 72, 81, 90
10's 10, 20, 30, 40, 50, 60, 70, 80, 90, 100
11's 11, 22, 33, 44, 55, 66, 77, 88, 99, 110
12's 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144
expanded notation A way of writing numbers in which the numbers are written to show the place value of each digit 639 = (6 x 100) + (3 X 10) + (9 x 1)
Perimeter The distance around a figure
Area The number of square units required to cover a surface.
Factor a number that is multiplied by another number to find a product
Product the answer to a multiplication problem
Number Line A diagram that represents numbers as points on a line.
Odd not divisible by 2
Even divisible by 2
Twice two times
Multiplication repeated addition
Vertex A point where two or more straight lines meet.
Face a flat surface of a solid figure
Edge The line along which two surfaces of a solid meet.
Triangular Prism A prism that has triangular bases
rectangular prism A solid shape that has: 6 faces (4 rectangles & 2 squares), 8 vertices (corners), and 12 equal edges.
Cube A regular solid having six congruent square faces; 8 vertices, 12 edges, 6 faces
Cone A three dimensional shape with a circular base and a vertex opposite the base
Cylinder A solid shape with one curved surface and two congruent circular bases.
Rounding Expressing a number to the nearest thousandth, hundredth, tenth, one, ten, hundred, thousand, and so on as directed.
Estimate A number close to an exact amount; an estimate tells about how much or about how many.
Groups hold something
Each is what is being held in the groups
Total is how many there is in all
Clue words for addition sum, more, in all, join, altogether, combine, add, increase
Clue words for subtraction less, fewer, difference, left, decrease, change, more---than, taking away.
Fraction A number that names a part of a whole or part of a group
Equivalent Having the same value or naming the same amount.
Created by: rrtree
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