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# 3rd Grade STAAR Math

Question | Answer |
---|---|

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. |