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7th Grade Math Formulas
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Gravity
~formulas ~things to remember ~etc.
Terms in this set (17)
Area of Circle
pi x r^2
Area of Square
s^2
Area of Rec.
lw
Area of Triangle
.5bh
Area of Parallelogram
bh
Circumference of Circ.
pi x d or 2
pi
r
Vol. of Prisms and Cylinders
area of base * height
Vol. of Pyr. and Cones
1/3
area of base
height
Percent of Change
amt of change/orig. amt
Percent Proportion
is/of=%/100
Simple Interest
prt
Order of Operations
PEMDAS
Subtracting Integers
Keep, Change, Change
Equations
Have an equals sign ( = )
Expressions
Do NOT have an equals sign
Inequalities Exception
When you multiply/divide by a (-), you must flip the sign.
Probability
number of favorable outcomes/total possible outcomes
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