24 terms

# 7th Grade Math - FCAT 2.0

Vocab from Big Ideas Math Chapters 1 -3
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Absolute Value
The distance between a number and 0 on a number line. It can be written as |5| = 5 and |-5| = 5.
Adding the same number to each side of an equation produces an equivalent equation.
The opposite of a number.
Example: 8 = -8
Integers
-3, -2, -1, 0, 1, 2, 3
Multiplying Integers with the Same Sign
The product of two integers with the same sign is always positive
Multiplying Integers with Different Signs
The product of two integers with different signs is always negative.
Dividing Integers with Same Signs
The quotient of two integers with the same sign is always positive.
Dividing Integers with Different Signs
The quotient of two integers with different same sign is always negative.
Coordinate Plane
Made by the intersection of a horizontal number line (x axis) and vertical number line (y axis).
Origin
Where the horizontal number line (x axis) and vertical number line (y axis) intersect. Known as the coordinate (0,0)
The coordinate plane is separated into for of these...
X- axis
The horizontal number line
Y-axis
The vertical number line
Terminating Decimal
a decimal that ends
repeating decimal
decimal that has a pattern that repeats
Subtraction Property of Equality
Subtracting the same number from each side of an equation produces an equivalent equations.
Multiplication Property of Equality
multiply each side of an equation by the same number produces an equivalent equation
Division Property of Equality
dividing each side of an equation by the same number produces an equivalent equation
Ratio
a comparison of two quantities using division
Ex. 3 to 4
Rate
is a ratio of two quantities with different units
60 miles/ 2 hours
Unit Rate
a rate with a denominator of 1
Ex. 30 miles/ 1 hour
Slope
rate of change between any two points on a line
Measures the steepness of a line
Proportion
equation stating that two ratios are equivalent
Cross Products
a method used to solve a proportion