Natural number – Answer Counting numbers, positive, not 0
Integer – Answer Any whole number or its opposite and 0
Prime number – Answer A natural number that can only be divided by 1 and itself.
2,3,5,7,11,13,17
Factor – Answer A natural number that can be evenly divided into a number.
Ex 12 – can be divided by 1,2,3,4,6,12
Multiple – Answer Product of 2 natural numbers.
36 is a multiple of 9 because 9×4=36
Term – Answer A single number, variable, or combinations thereof.
Product – Answer Answer to a multiplication problem
Quotient – Answer Answer to a division problem
Sum – Answer Answer to an addition problem
Difference – Answer Answer to a subtraction problem
Order of operations – Answer PEMDAS
Adding fractions – Answer Add only the numerators when the denominators are the same.
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NLN pax- Math
For different denominators, multiply to get them to match. Multiply the first fraction by the opposite
denominator and vice versa.
Subtracting fractions – AnswerWhen denominators are different…
Similar to adding. Make two fractions with matching denominators. Subtract and simplify.
Multiply fractions – AnswerMultiply the numerators and denominators straight across. Simplify.
Dividing fractions – AnswerFlip the numbers of the second fraction (reciprocal). Multiply across and
simplify
multiply decimals – AnswerMultiply as normal, count total number of decimal places in each factor of
original expression and put the decimal point that many places over.
Dividing decimals – AnswerMove decimal of divisor over to create a whole number. Move the decimal
place of the divided the same point over.
Divide like usual
Decimal to fraction – AnswerEx.
.75 = .75/1 = 75/100 = 3/4
Percentage – AnswerEx. What is 52% of 326?
326
X 0.52
=169.52