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PSSA Math - Grade 4

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# 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