Mathematical Symbols

Starting off easy, what does this symbol mean? "+"

• Subtraction

• Addition

• Multiplication

• Division

Do you recognize this symbol of "out of hundred"

• Parentheses

• Colon

• Perpendicular

• Percentage

A little challenging..but fairly easy to guess:

 $\pm$  

• addition then subtraction

• subtract then add

• plus or minus

What does this symbol mean? ""

 $\approx$  

• Congruent

• Equal to

• Approximately equal to

Something for the studious math student: What does this do?"Σ"

• Multiply

• Divide

• Add all the numbers

What does this mean?"∝"

• Proportionate

• Infinity

• 1000

Which of the following statements is true?

• Infinity is a really small number.

• There is only one way to show multiplication.

• The expression 2² means two is raised to the power of 2.

• Pi is a rational number.

Can you name this symbol for lines that will never meet?

• Therefore

• Plus

• Parallel

• Perpendicular

-1 is ____________ than 5

Which one of the following symbols tells us two things are not identical?

• >

• ±

• ⊗

• ≠