D125 Math for Elementary Educators I (MEE1)(32 questions and answers)

D125 Math for
Elementary Educators
I (MEE1)(32 questions
and answers)
Whole Numbers - answer Natural numbers
( counting numbers) and zero; 0, 1, 2, 3...


Integers - answer Whole numbers and their
opposites


Rational Numbers - answer Any number that can be
expressed as a fraction


Irrational Numbers - answer Any real number which
cant be expressed as a fraction of two integers


Real Numbers - answer Every number, negative or
positive; fraction or decimal; rational or irrational


Is it Prime? - answer 1. Find square root

, 2. Find the greatest prime number that is less than
the square root
3. Divide number by all prime numbers to see if
they evenly divide


Expanded Notation - answer From left to right,
determine place value and use multiplication.
Watch out for decimals!


Exponents (Powers) - answer The base number
multiplies itself a number of times based on the
exponent


Scientific Notation - answer 1. Write the number
with a decimal point at the end
2. Move the decimal to the left until there is only 1
digit on the left and count the number of decimal
places you moved
3. Write number without trailing zeroes and
multiply by 10 to get the power


Adding Integers (Same Signs) - answer Add the
absolute value and keep the sign from the
problem.