Converting Mixed Numbers and Improper Fractions

This video tutorial demonstrates how to convert between mixed numbers and improper fractions using the TI84 or TI83 graphing calculator. It emphasizes that these methods are not a replacement for basic fraction skills but serve as a tool for checking work and focusing on problem-solving. The tutorial provides step-by-step instructions for converting mixed numbers to improper fractions and vice versa, using examples to illustrate the process. It concludes by encouraging viewers to use the calculator to verify their conversions.

What is the primary purpose of using the TI84 or TI83 calculator in this lesson?

• To learn new mathematical concepts

• To check your work and focus on problem-solving

• To replace basic fraction skills

• To perform complex algebraic calculations

How do you enter a mixed number like four and five sevenths into the calculator?

• 4 / 5/7

• 4 - 5/7

• 4 * 5/7

• 4 + 5/7

What is the improper fraction equivalent of four and five sevenths?

• 28/7

• 33/7

• 29/7

• 35/7

When converting negative twelve and three fifths to an improper fraction, what is the result?

• -62/5

• -65/5

• -60/5

• -63/5

What does the fraction bar represent when converting improper fractions to mixed numbers?

• Division

• Multiplication

• Subtraction

• Addition

What is the mixed number form of eighty-two sixths?

• 13 and 1/2

• 12 and 5/6

• 13 and 2/3

• 14 and 1/3

How do you handle the decimal part when converting improper fractions to mixed numbers?

• Ignore it

• Add it to the whole number

• Convert it to a fraction

• Multiply it by the denominator

What is the mixed number equivalent of negative one hundred twenty-one ninths?

• -14 and 1/9

• -12 and 5/9

• -13 and 4/9

• -13 and 5/9

What is the main takeaway from using the graphing calculator for these conversions?

• It helps verify manual calculations

• It is only useful for advanced mathematics

• It simplifies complex algebra

• It replaces the need for manual calculations

What is the final step in converting a decimal to a fraction on the calculator?

• Pressing the clear button

• Pressing math, enter, enter

• Pressing the power button

• Pressing the graph button