Place Value - ANSWERThe value of a digit based on its position within a number
Fractions - ANSWERA number expressed in the form a/b where a is a whole number and b is a positive whole number.
Adding and Subtracting with the same denominator - ANSWERa/b + c/b = a+c/b OR a/b - c/b = a-c/b
...
ALEKS Math Placement Test Fomulas
Correct 100%
Place Value - ANSWERThe value of a digit based on its position within a number
Fractions - ANSWERA number expressed in the form a/b where a is a whole number and b is a
positive whole number.
Adding and Subtracting with the same denominator - ANSWERa/b + c/b = a+c/b OR a/b - c/b = a-c/b
Multiplying and dividing fractions - ANSWERa/b * c/d = a*c/b*d AND a/b / c/d = a/b/c/d = ad/bc
Adding and Subtracting with different denominators - ANSWERa/b + c/d = ad+cb/bd OR a/b - c/d =
ad-cb/bd
Equal To - ANSWER=
Less Than - ANSWER<
Greater Than - ANSWER>
greater than or equal to - ANSWER≥
less than or equal to - ANSWER≤
Rounding - ANSWERExpressing a number to the nearest thousandth, hundredth, tenth, one, ten,
hundred, thousand, and so on as directed.
, Whole Number - ANSWERThe numbers {0, 1, 2, 3, ...} etc.
There is no fractional or decimal part. And no negatives.
Estimates - ANSWERFind a number close to the exact answer
Decimals - ANSWERA fraction written in a special form. For example, instead of 1/2 you write 0.5
Mixed numbers - ANSWERA number composed of a whole number and a fraction
Factoring numbers - ANSWERTo break it up into numbers that can be multiplied together to get the
original number
Divisibility Rules - ANSWERThat you are able to divide a number evenly
greatest common factor - ANSWERThe largest factor that two or more numbers have in common.
least common multiple - ANSWERThe smallest multiple (other than zero) that two or more numbers
have in common.
Integers - ANSWERwhole numbers and their opposites
real numbers - ANSWERAll numbers on the number line
Order of operations - ANSWERPEMDAS
Absolute Value - ANSWERThe distance a number is from zero on a number line
Ratios - ANSWERa comparison of two quantities using division
Percentages - ANSWERpercent/100 * whole
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