Math STAAR Vocabulary Words - all 48
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Prime factorization | factors of a number that are all prime
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| Prime numbers | numbers that only have one and itself as factors
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| Factors | Numbers that divide into a whole number with no remainder
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| GCF | greatest common factor
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| Prism | A 3D solid with two congruent bases
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| Reflection | mirror image of a figure
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| Rotation | move around (like in “four square” game)
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| Translation | slide (horizontally, vertically, or diagonally)
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| Line of Symmetry | a line that divides a figure into two mirror images
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| Congruent | shapes having the same size and same shape
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| Pyramid | A 3D solid with a polygon as its base and triangular faces that meet at the top
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| Circumference | the distance around a circle
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| Diameter | the distance across the middle of the circle
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| Radius | Half the diameter
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| Improper Fraction | a fraction with a numerator larger than the denominator. Simplify!
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| Equation | A number sentence using an equal sign
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| Acute angle | angle that is less than a right angle (less than 90 degrees)
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| Obtuse angle | angle that is more than a right angle (greater than 90 degrees)
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| Right angle | square angle (equal to 90 degrees)
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| Perpendicular lines | lines that cross and form a right angle
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| Parallel lines | lines that do not cross each other, they stay the same distance apart
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| Whole numbers | 0, 1, 2, 3, 4, 5........
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| Average | The answer when numbers are added and then divided by the number of addends
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| Sum | answer to addition
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| Product | answer to multiplication
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| Difference | answer to subtraction
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| Quotient | answer to division
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| Area | the number of square units needed to cover a surface. Length x Width = formula for a rectangle
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| Polygon | any closed 2D figure with line segments as sides
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| Solids | any 3D figure with a length, a width, and a height
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| Composite Numbers | any number with more than 2 factors
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| Numerator | the top number of a fraction
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| Denominator | the bottom number of a fraction
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| Equivalent | is equal to
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| Tenths | first decimal place to the right
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| Hundredths | second decimal place to the right
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| Thousandths | third decimal place to the right
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| Common factors | factors that are shared by two or more numbers
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| Faces | a flat surface that serves as one side of a solid figure
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| Vertices (vertex) | a point where edges meet
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| Edges | line segments where 2 faces meet
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| Ordered pairs | points (x,y) on a coordinate grid
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| Perimeter | distance around a figure
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| Volume | Length x Width x Height
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| Probability | a way of describing how likely it is that a particular outcome will occur, written as a fraction
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| Median | the middle value when all the data are listed from least to greatest
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| Mode | the most frequent number in the data
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| Range | Largest number minus smallest number in the data
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Created by:
cwadley
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