Rational Numbers
The number set {1, 2, 3...}.
What is natural numbers?
This symbol is drawn as <.
What is less than?
The way you write a repeating decimal in its shortest form.
What is bar notation?
This type of problem is solved by multiplying numerators together and multiplying the denominators together.
What is fraction division?
In order to add or subtract fractions you must do this first.
What is find a common denominator?
The number set {0, 1, 2, 3...}.
What is whole numbers?
This symbol is drawn as >.
What is greater than?
The place value of the third number to the right of a decimal.
What is thousandths?
KFC stands for this.
What is Keep, Change, and Flip?
When adding rational numbers with these signs, solve the problem by adding and keeping the sign.
What are same signs (positive and positive; negative and negative)?
The set of whole numbers and their opposites.
What is integers?
The crocodile eats this number.
What is the bigger number?
If the numerator and denominator can be divided by the same number (other than one), this must be done to write the fraction in simplest form.
What is simplify?
This is the name for flipping over a fraction. (Two possible questions.)
What is a multiplicative inverse / reciprocal?
When adding rational numbers with these signs, solve the problem by subtracting the absolute value and keeping the larger sign.
What are two different signs (negative and positive; positive and negative)?
This number set includes fractions and repeating decimals.
What is rational numbers?
What is a division problem?
This happens to a negative sign when a fraction is converted to a decimal or vice versa.
What is nothing, it remains the same?
This must be done to a mixed number before multiplying or dividing?
What is turn it into an improper fraction?
When adding, subtracting, multiplying, or dividing with fractions, this must always be the final step.
What is check to see if it can simplify?
This number set includes never-ending decimals and pi.
What is irrational numbers?
This method used in fraction addition can also be used to compare two fractions.
What is finding common denominators?
In order to write this type of decimal as a fraction you find the place value of the last non-repeating number and subtract one.
What is a repeating decimal?
The answer to these two types of multiplication (or division) problems is always positive.
What is + times +, and - times -?
When adding or subtracting fractions you do NOT need to do this with mixed numbers.
What is turn into an improper fraction?