Converting Fractions and Decimals on the TI-30X iis

In this video tutorial, Rick demonstrates how to use the Texas Instruments TI 30 X 2's calculator to work with fractions and decimals. The tutorial covers adding fractions, entering mixed numbers, converting between improper fractions and mixed numbers, and converting between fractions and decimals. Rick explains the use of specific keys on the calculator, such as the a B over C key and the second function of the probability key, to perform these operations. The video aims to help viewers understand and efficiently use these calculator functions for their tests.

Which key on the TI-30X IIS calculator is used to enter fractions?

• Equals key

• Probability key

• Second function key

• a b/c key

Which key is used to access the second function on the TI-30X IIS calculator?

• Second function key

• a b/c key

• Probability key

• Equals key

What is the purpose of the a b/c key on the TI-30X IIS calculator?

• To calculate probabilities

• To convert decimals to fractions

• To access the second function

• To enter fractions

What is the result of adding 1/2 and 3/4 using the a b/c key?

• 3/4

• 1 and 1/4

• 1 and 1/2

• 2

How do you enter the mixed number 1 and 1/4 on the TI-30X IIS calculator?

• 1 a b/c 4

• 1 a b/c 1 a b/c 2

• 1 a b/c 1 a b/c 4

• 1 a b/c 1/4

What is the improper fraction equivalent of 1 and 1/4?

• 1/4

• 4/5

• 5/2

• 5/4

Which key is used to convert a fraction to a decimal on the TI-30X IIS calculator?

• Second function of the probability key

• a b/c key

• Second function key

• Equals key

What is the decimal equivalent of 5/4?

• 1.5

• 0.75

• 2.25

• 1.25

How do you convert 1.25 to a fraction on the TI-30X IIS calculator?

• a b/c key

• Equals key

• Second function of the probability key

• Second function key

What fraction does 1.25 convert to on the TI-30X IIS calculator?

• 1 and 1/4

• 1 and 1/2

• 2

• 3/4