Formulas
Exponents/scientific notation
Percent of change
Inequalities
O.O.O.
100

This formula is used to find a side of a right triangle.

It is part of the Pythagorean theorem.

What is a2+b2=c2?

100

This is when you multiply a number by itself.

What is squaring a number?

100

Original:35

New:70

100% increase

100

simplify the equation:  x+10>30

x>20

100

This is the first step in order of operations.

What is solving the parentheses first?

200

This is how you find the volume of a rectangular prism.

What is (L)(W)(H)?

200

If the scientific notation exponent is negative you number gets this.

What is smaller?

200

Original:8

New:12

50% increase

200

x-20<70

x<50
200

This abbreviation helps you remember what order to solve your O.O.O. problem in.

What is P.E.M.D.A.S. or G.E.M.S.

300

You use this formula pi(r)2 to find the area of what shape?

What is the area of a circle?

300

If your scientific notation exponent is positive your number gets this.

What is bigger?

300

Original:$75

New:$60

-20% (decrease)

300

2x+12>120

x>48

300

The last step in order of operations.

What is add/subtract?

400

This formula helps you find the circumference of a circle.

What is C=2(pi)(r)2 or C=pi(d)

400

If you number is multiplied by itself this many times then it is cubed.

What is times 3?

400

Original:250

New:100

-60% (decrease)
400

If you have to divide/multiply one side by a negative number you do this.

What is flip the way the < or > points?

400

The second step in O.O.O.

What is apply the exponent?

500

You use this formula to find the area of a pyramid.

What is 1/3(B)(H)?

500

Answer this question. 35×10-2.

answer:0.35

500

This year a school club has 12 members. Last year the club had 30 members. Find the percent of decrease.

-60% (decrease)

500

x÷-2>10


x<-5

500

If your problem is 2(7)➗4 what step do you do first?

Multiply 2 by 7.