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16 terms

Tennessee Academic Vocabulary Math Fourth Grade

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Accuracy
correctness, the exact answer, the opposite of estimating
Acute
an angle that is less than a 90 degree angle
Chance
a measure of how likely it is that some event will occur
Common fraction
a number that represents part of a whole
Composite number
a whole number that has factors other than 1 and itself example: 9's factors are 1, 3, 9 and 6's factors are 1, 2, 3, 6
Computation
using mathematical methods to find the solution to a problem
Convert
to change from one unit of measure to another unit of measure. example: change 4 cups to 1 quart
Coordinate grid
a grid formed by two number lines called the x-axis and the y-axis
Diameter
a chord that passes through the center of the circle
Equation
a number sentence with an equal (=) sign
Expression
one or more numbers and / or variables that are connected by operation signs operation signs are + -
Face of a polyhedron
a flat surface on a three - dimensional figure
Function table
a table that has input and output and the quantities depend on one another
Improper fraction
a fraction with a numerator that is greater than or equal to the denominator
Mean
the number found by dividing the sum of a set of numbers by the number of addends
Inverse Operation
operations that undo each other