Arithmetic Archives - Neurochispas

Significant Figures and Rounding: Rules, Examples and Practice

A measurement is never exact. A ruler marked in millimeters cannot tell you that a rod is 7.4623 cm long, ... Read more

A simple average treats every value as equally important. That is wrong when some values count more than others: a ... Read more

The mean, the median and the mode all try to answer the same question: what is a typical value in ... Read more

A percent is a fraction with a denominator of 100. Saying 35% means 35 out of every 100, or $latex ... Read more

$10 examples of division of fractions$

To solve a division of fractions, we have to take the reciprocal of the dividing fraction and write the division ... Read more

$Dividing fractions with whole numbers$

We can divide two or more mixed fractions by converting the mixed fractions or whole numbers to improper fractions. Then, ... Read more

$10 examples of multiplying fractions$

To multiply fractions, we simply have to multiply the numerators and denominators separately. However, if we have mixed fractions, we ... Read more

$Multiplying mixed fractions$

To multiply two or more mixed fractions, we have to start by converting the mixed fractions to improper fractions. Then, ... Read more

$Subtracting fractions with whole numbers (mixed fractions)$

Fractions with whole numbers are called mixed fractions. We can solve a subtraction of these types of fractions by converting ... Read more

$10 examples of subtracting fractions$

To solve a subtraction of like fractions (with the same denominator), we have to use the same denominator and subtract ... Read more