Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# PSSA Math - Grade 4

### PSSA Math Vocabulary - Grade 4

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

time shown on a clock or watch with hour and minute hands (not digital) | analog |

a rectangular solid with 6 congruent square faces | cube |

a math sentence showing that one expression equals another | equation |

a number (or any combination of numbers and symbols) that shows a mathematical relationship | expression |

a flat surface (or plane) that is one side of a solid figure | face |

a number that divides evenly into another number | factor |

an in/out table in which a rule causes each "in value" to have a unique "out value" | function |

a polygon with 6 sides | hexagon |

a straight path extending in both directions with no endpoints | line |

a line that divides a figure into two halves that are mirror images of each other | line of symmetry |

part of a line with two endpoints | line segment |

the product of one number multiplied by another number | multiple |

a math equation with numbers | number sentence |

a polygon with 8 sides | octagon |

a pair of numbers used to locate a point on a coordinate grid | ordered pair |

lines that never intersect and are always the same distance apart | parallel lines |

a quadrilateral whose opposite sides are parallel and congruent | parallelogram |

a polygon with 5 sides | pentagon |

two lines, segments, or rays that intersect to form right angles | perpendicular lines |

a graph that uses pictures to show and compare information | pictograph |

a solid figure with a polygon base and triangular sides that meet at a single point | pyramid |

part of a line that has one endpoint and continues in the other direction forever | ray |

moving a figure to show its mirror image (flip) | reflection |

a parallelogram with 4 equal sides | rhombus |

a solid figure that has all points the same distance from the center | sphere |

a table that uses tally marks to record data | tally chart |

a quadrilateral with one pair of parallel sides | trapezoid |

an angle that measures 90 degrees and forms a "square" corner | right angle |

the point where two or more lines, rays or line segments cross | intersection |

a flat shape with 4 or more sides | polygon |

a three-dimensional shape with length, width, and height | solid figure |

moving a figure to a new position by slide (translation), flip (rotation), or turn (reflection) | transformation |

any of the counting numbers | whole number |

figures with the same size and shape | congruent |

an angle that measures less than 90 degrees | acute |

a number that is being added | addend |

the measure (in square units) of the inside of a plane figure (length times width) | area |

a rectangular arrangement of objects in equal rows or columns | array |

a group of items that can be arranged in a different order without changing the items in the group | combination |

a solid figure that has a circular base and one vertex | cone |

a solid figure with 2 circular bases that are parallel and congruent | cylinder |

the line segment where 2 faces of a solid figure meet | edge |

having the same value | equivalent |

a set of related addition/subtraction or multiplication/division equations that use the same numbers | fact family |

a math sentence that contains a symbol showing that the terms on either side are unequal | inequality |

the number found by dividing the sum of a list of numbers by the number of addends (also called the "average") | mean |

the middle number in a list of ordered numbers | median |

the number(s) that occur most often in a list of data | mode |

an angle that measures greater than 90 degrees | obtuse |

the distance around a figure | perimeter |

a polygon with 4 sides | quadrilateral |

a triangle that has a 90 degree angle | right triangle |

moving a figure by turning it around a fixed point (turn) | rotation |

moving a figure without turning or flipping it (slide) | translation |

a point where lines, rays, sides, or edges meet (also called a corner) | vertex |

the amount of space (in cubic units) that a solid figure can hold (length, times width, times height) | volume |

Created by:
jroeder
on 2008-10-28