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4th grade math vocabulary review
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Terms in this set (80)
acute triangle
A triangle that contains only angles that are less than 90 degrees.
area
the measure of how many square units it takes to cover a two-dimensional shape exactly
array
an arrangement of objects in rows and columns
bar graph
the use of bars of different lengths to display data
capacity/volume
the measure of how much a container can hold when it is full
certain
describes an event that will always occur
commutative property
the order of the addends in addition or the factors in multiplication does not change the sum or product
composite number
a number that has more than two factors
congruent
having the same shape and size
customary units
units used in the measurement of capacity (cups, pints, quarts, gallons), length (inches, feet, yards, miles), and weight (ounces, pounds, tons)
decimal
a number with one or more digits to the right of the decimal point
decimal point
a period used in decimal numbers to separate the whole number from the part that shows tenths, hundredths, etc...
edge
a line segment where two faces meet
equation
a number sentence with an equal sign
equilateral triangle
a triangle with three equal sides
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Verified questions
PREALGEBRA
Find the missing number. n + 31.53 = 62.4; n = _____
PREALGEBRA
Find the value of the variable. 25n = 400
PREALGEBRA
In a wildlife preserve, a random sample of the population of 150 raccoons was caught and weighed . The results, given in pounds, were 17, 19, 20, 21, 23, 27, 28, 28, 28 and 32. Jean made the qualitative statement, "The average weight of the raccoon population is 25 pounds." ls her statement reasonable? Explain.
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Write an inequality to represent each situation. Louie has 20 more than half as many baseball cards as Gerardo does. Together they have at least 350 cards.
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