Word Problems
"Round to the nearest ten" is telling you to do what?
Move the number in the tenth place value up to the next number.
This formula involves a "hypoteneuse", "legs", and a right triangle. What is the name of the formula and what is the specific formula?
Pythagorean relationship. a2 +b2= c2
Which button do you use to indicate an exponent?
x2
This symbol indicates to separate into equal parts. On a keyboard, it is represented as a forward slash.
Division ( / )
When you encounter an Algebraic Expression, in general, what are you doing?
Translating word sentences into mathematical symbols or vice-versa.
What is a variable? What symbols represent it?
an unknown. Typically x or y.
These formulas are used to measure gases or liquids for three-dimensional objects.
Volume.
Which button do you press to show a number as a negative?
(-)
These symbols represent a grouping set.
Parenthesis
Brackets
Braces
A problem written in this form includes a base and exponent; a decimal greater than one or less than ten is multiplied by a power of ten.
Scientific Notation.
What are the order of operations?
P.E.M.D.A.S
The formula for this shape calculates the length times the width.
Area of a rectangle.
The green button "2nd" allows you to do what function on the calculator?
Perform a function that is written in small font above a particular button (e.g. % instead of open parenthesis sign).
This symbol is used to express an increase in quantity. On a keyboard, it is represented by an asterisk.
On tests, it is sometimes represented as a dot in the center and between two terms or whole numbers.
A whole number next to another number within parenthesis can also represent this order of operation.
* Multiplication
4(4)= 16
4 * 4= 16
These type of problems include parts like: coefficients, variables.
Polynomials.
Word problems are typically written with symbols and numerical form. True or false?
False. Word problems typically have the symbols and numbers represented in written format (sentences).
This shape includes the "circumference", "radius" or "pi".
Circle
Which button allows you to calculate a fraction?
n
---
d
This symbol is typically followed by a number to indicate per one hundred of that number.
Percent %
Numbers that stand alone and will always remain the same since it does not include a variable or exponent; can be positive or negative whole numbers.
Constant.
What is the step process for solving a word problem?
Q.I.O.S.M
This shape can be classified by "side lengths" or "angle measures".
Triangle.
What button do you press to display a result between:
fraction and decimal
exact square root and decimal
exact pi and decimal?
The "answer toggle key" (looks like a sideways triangles facing opposite of eachother and shaded in).
This symbol is used to express an inequality between one number and another number.
not equal to (equals sign with a forward slash drawn on top of it).
This type of problem will be solved by repeated multiplication.
Powers.