Math Rules
This property states that changing the order of addition does not change the sum.
Commutative Property
This fraction is equal to one-half: 2/4, 3/6, or 4/5.
2/4 (or 3/6)
Add up the number of children the Team W teachers have in college.
4
A square is always a rectangle.
Fact
This symbol (≠) means two values are not the same.
Not equal to
This type of math focuses on numbers and basic operations like addition and multiplication.
Arithmetic
Why was the math book sad?
Because it had too many problems.
This job uses addition and subtraction to give the correct change to customers.
Cashier
This property states that multiplying any number by 1 keeps it the same.
Identity Property of Multiplication
This is the top number in a fraction.
First, multiply the number of sons Ms. Jensen has by the number Mrs. North has. Then divide that result by the number in the alphabet of the first letter of the city in China where Ms. Monroe lived.
1 x 2 = 2 2 ÷ 2 = 1
A number closer to zero is always smaller.
Fiction
This symbol (÷ or /) means to split into equal parts.
Division
This type of math uses variables and equations.
Algebra
Why do plants hate math?
Because it gives them square roots.
This job uses measurement and angles to cut wood and build structures.
Carpenter
This property explains why a(b + c) = ab + ac.
Distributive Property
To add fractions, you must first have this in common.
Common Denominator
Divide the number of years that Ms. Monroe has been teaching by the number of daughters Ms. Jensen has.
9
A larger denominator always makes a fraction smaller.
Fiction
This Greek letter (Δ) is used in math to represent change, such as change in y or change in x.
Delta
This type of math studies shapes, angles, and space.
Geometry
Why was the equal sign so humble?
Because it knew it wasn’t less than or greater than anyone else.
A worker calculates how long a 120-mile trip will take at 60 miles per hour.
Driver
This property states that grouping numbers differently does not change the result.
Associative Property
This is what you do to fractions like 4/8 to make them simpler.
Simplify (or reduce)
Divide the number of years that North has left teaching by the number of years that Monroe has left teaching before retirement.
3 ÷ 3 = 1
The graph of a linear equation is always a straight line.
Fact
This symbol (√) represents finding a number that, when multiplied by itself, gives the original number.
Square Root
This type of math focuses on data, averages, and probability.
Statistics
Why did the student wear glasses in math class?
To improve di-vision.
A worker must calculate the correct dosage based on a patient’s weight.
Nurse (or pharmacist)?
This rule says you must do operations in a specific order (parentheses, exponents, etc.).
Order of Operations
This fraction is greatest: 3/4, 2/3, 5/8, or 7/10.
3/4
How many letters are in the name that Ms. Santiago is naming her baby?
4
Two parallel lines have the same slope.
Fact
This symbol (|x|) represents the distance of a number from zero.
Absolute Value
This advanced type of math studies change and rates of change.
Calculus
Why did the fraction break up with the decimal?
Because it couldn’t convert.
A worker analyzes player shooting percentages and averages to make game decisions.
Coach