Study Guide for Semester 1 Exam

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 3\frac{1}{4}.

Front

How do you subtract mixed numbers?

Back

To subtract mixed numbers, convert them to improper fractions, perform the subtraction, and convert back if necessary.

Front

What is the process for adding fractions with the same denominator?

Back

Add the numerators and keep the denominator the same. For example, \frac{3}{8} + \frac{5}{8} = \frac{8}{8} = 1.

Front

How do you add mixed numbers?

Back

Add the whole numbers together and the fractions together. If the fraction sum is improper, convert it to a mixed number.

Front

What is the formula for evaluating an expression with variables?

Back

Substitute the values of the variables into the expression and perform the arithmetic operations.

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Back

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same. For example, \frac{7}{12} - \frac{3}{12} = \frac{4}{12} = \frac{1}{3}.

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9.5.

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6.

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1.