ALEKS Math Placement Test Formulas
Questions and Answers 100% Correct
Place Value - ANSWER The value of a digit based on its position within a
number
Fractions - ANSWER A 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 - ANSWER a/b + c/b =
a+c/b OR a/b - c/b = a-c/b
Adding and Subtracting with different denominators - ANSWER a/b + c/d =
ad+cb/bd OR a/b - c/d = ad-cb/bd
Multiplying and dividing fractions - ANSWER a/b * c/d = a*c/b*d AND a/b / c/d
= a/b/c/d = ad/bc
Equal To - ANSWER =
Less Than - ANSWER <
Greater Than - ANSWER >
greater than or equal to - ANSWER ≥
, less than or equal to - ANSWER ≤
Rounding - ANSWER Expressing a number to the nearest thousandth,
hundredth, tenth, one, ten, hundred, thousand, and so on as directed.
Whole Number - ANSWER The numbers {0, 1, 2, 3, ...} etc.
There is no fractional or decimal part. And no negatives.
Estimates - ANSWER Find a number close to the exact answer
Decimals - ANSWER A fraction written in a special form. For example, instead
of 1/2 you write 0.5
Mixed numbers - ANSWER A number composed of a whole number and a
fraction
Factoring numbers - ANSWER To break it up into numbers that can be
multiplied together to get the original number
Divisibility Rules - ANSWER That you are able to divide a number evenly
greatest common factor - ANSWER The largest factor that two or more
numbers have in common.
Questions and Answers 100% Correct
Place Value - ANSWER The value of a digit based on its position within a
number
Fractions - ANSWER A 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 - ANSWER a/b + c/b =
a+c/b OR a/b - c/b = a-c/b
Adding and Subtracting with different denominators - ANSWER a/b + c/d =
ad+cb/bd OR a/b - c/d = ad-cb/bd
Multiplying and dividing fractions - ANSWER a/b * c/d = a*c/b*d AND a/b / c/d
= a/b/c/d = ad/bc
Equal To - ANSWER =
Less Than - ANSWER <
Greater Than - ANSWER >
greater than or equal to - ANSWER ≥
, less than or equal to - ANSWER ≤
Rounding - ANSWER Expressing a number to the nearest thousandth,
hundredth, tenth, one, ten, hundred, thousand, and so on as directed.
Whole Number - ANSWER The numbers {0, 1, 2, 3, ...} etc.
There is no fractional or decimal part. And no negatives.
Estimates - ANSWER Find a number close to the exact answer
Decimals - ANSWER A fraction written in a special form. For example, instead
of 1/2 you write 0.5
Mixed numbers - ANSWER A number composed of a whole number and a
fraction
Factoring numbers - ANSWER To break it up into numbers that can be
multiplied together to get the original number
Divisibility Rules - ANSWER That you are able to divide a number evenly
greatest common factor - ANSWER The largest factor that two or more
numbers have in common.
