Let's Learn Number System & Ratios
Created By ; Kayla Rincon & Lauren Carpenter
Colin Dodds - Number Types (Math Song)
Expression
Expressions-a mathmatical phrase that contains operations,numbers,and variables.
Super Base (WSHS Math Rap Song)
Constant
Constant-term that does not change and increases and decreases the value of an expression.
Coefficient
Coefficient-a number or symbol multiplied with a variable or an unknown quantity in an algebraic term, as 4 in the term 4x, or x in the term x(a + b)
PEMDAS
The order in which operations are to be solved in. Parentheses, Exponents,Multiplication,Divison,Addition,Subtraction.
Flocabulary - Order of Operations - PEMDAS
Positive and Negative number lines
Positive and Negitaves
Positive numbers go to the left and negative numbers go to the right of zero. Positive numbers are above zero. Negative numbers are below zero.
Adding and Subtracting Positives and Negatives Rap
Long Division and division operations
Long Division
The number being divided into is called the dividend. The number that is dividing the other number is called the divisor. To check long division you multiply the number you got by the one dividing into the other number.
Long Division by Mr. Duey
Ratios
Ratios
The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Percent Ratios
96/100=96% that is how you would write a percent ratio.
Rates
A rate is a special ratio in which the two terms arein different units. For example, if a 12-ounce can of corn costs 69¢, the rate is 69¢ for 12 ounces.
Ratio Rap