ALEKS Math Placement Test Fomulas |\ |\ |\ |\ |\
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Place Value - CORRECT ANSWERS ✔✔The value of a digit
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based on its position within a number
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Fractions - CORRECT ANSWERS ✔✔A number expressed in
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the form a/b where a is a whole number and b is a
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positive whole number. |\ |\
Adding and Subtracting with the same denominator -
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CORRECT ANSWERS ✔✔a/b + c/b = a+c/b OR a/b - c/b = |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
a-c/b
Adding and Subtracting with different denominators -
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CORRECT ANSWERS ✔✔a/b + c/d = ad+cb/bd OR a/b - c/d|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
= ad-cb/bd
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Multiplying and dividing fractions - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\
✔✔a/b * c/d = a*c/b*d AND a/b / c/d = a/b/c/d = ad/bc
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Equal To - CORRECT ANSWERS ✔✔=
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, Less Than - CORRECT ANSWERS ✔✔<
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Greater Than - CORRECT ANSWERS ✔✔> |\ |\ |\ |\ |\
greater than or equal to - CORRECT ANSWERS ✔✔≥
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less than or equal to - CORRECT ANSWERS ✔✔≤
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Rounding - CORRECT ANSWERS ✔✔Expressing a number |\ |\ |\ |\ |\ |\ |\
to the nearest thousandth, hundredth, tenth, one, ten,
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hundred, thousand, and so on as directed. |\ |\ |\ |\ |\ |\
Whole Number - CORRECT ANSWERS ✔✔The numbers {0,
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1, 2, 3, ...} etc.
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There is no fractional or decimal part. And no negatives.
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Estimates - CORRECT ANSWERS ✔✔Find a number close |\ |\ |\ |\ |\ |\ |\ |\
to the exact answer
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Decimals - CORRECT ANSWERS ✔✔A fraction written in a
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special form. For example, instead of 1/2 you write 0.5
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latest updates |\
Place Value - CORRECT ANSWERS ✔✔The value of a digit
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
based on its position within a number
|\ |\ |\ |\ |\ |\
Fractions - CORRECT ANSWERS ✔✔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 -
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CORRECT ANSWERS ✔✔a/b + c/b = a+c/b OR a/b - c/b = |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
a-c/b
Adding and Subtracting with different denominators -
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CORRECT ANSWERS ✔✔a/b + c/d = ad+cb/bd OR a/b - c/d|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
= ad-cb/bd
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Multiplying and dividing fractions - CORRECT ANSWERS |\ |\ |\ |\ |\ |\ |\
✔✔a/b * c/d = a*c/b*d AND a/b / c/d = a/b/c/d = ad/bc
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Equal To - CORRECT ANSWERS ✔✔=
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, Less Than - CORRECT ANSWERS ✔✔<
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Greater Than - CORRECT ANSWERS ✔✔> |\ |\ |\ |\ |\
greater than or equal to - CORRECT ANSWERS ✔✔≥
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less than or equal to - CORRECT ANSWERS ✔✔≤
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Rounding - CORRECT ANSWERS ✔✔Expressing a number |\ |\ |\ |\ |\ |\ |\
to the nearest thousandth, hundredth, tenth, one, ten,
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hundred, thousand, and so on as directed. |\ |\ |\ |\ |\ |\
Whole Number - CORRECT ANSWERS ✔✔The numbers {0,
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1, 2, 3, ...} etc.
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There is no fractional or decimal part. And no negatives.
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Estimates - CORRECT ANSWERS ✔✔Find a number close |\ |\ |\ |\ |\ |\ |\ |\
to the exact answer
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Decimals - CORRECT ANSWERS ✔✔A fraction written in a
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special form. For example, instead of 1/2 you write 0.5
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