# 4th Grade PSSA Math I

### 28 terms by lhummel22

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### analog

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

### cube

a rectangular solid with 6 congruent square faces

### equation

a math sentence showing that one expression equals another

### expression

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

### face

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

### factor

a number that divides evenly into another number

### function

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

### hexagon

a polygon with 6 sides

### line

a straight path extending in both directions with no endpoints

### line of symmetry

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

### line segment

part of a line with two endpoints

### multiple

the product of one number multiplied by another number

### number sentence

a math equation with numbers

### octagon

a polygon with 8 sides

### ordered pair

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

### parallel lines

lines that never intersect and are always the same distance apart

### parallelogram

a quadrilateral whose opposite sides are parallel and congruent

### pentagon

a polygon with 5 sides

### perpendicular lines

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

### pictograph

a graph that uses pictures to show and compare information

### pyramid

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

### ray

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

### reflection

moving a figure to show its mirror image (flip)

### rhombus

a parallelogram with 4 equal sides

### sphere

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

### tally chart

a table that uses tally marks to record data

### trapezoid

a quadrilateral with one pair of parallel sides

### right angle

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

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