TI-30XS Scavenger Hunt

TI-30XS Scavenger Hunt Answer Key

Use the TI-30XS to find answers for the questions listed here.
For the skills you cannot complete, find someone who can. Introduce yourself, have them demonstrate the skill to you and describe how to do the skill in the box.
1. Describe how to clear the screen
Press Clear (located under large oval at top right) / 2. Describe how to clear the memory
1. Press 2nd
2. Press 0
3. Press 2 / 3. You have entered 5 * 6 + 2 but want to change the 6 to a 3.
1. Push the left arrow on the oval until you get to 6
2. Key in 3 where the 6 is blinking
3. Press enter / 4. How do you show 55667788 in scientific notation?
1. Key in 55667788
2. Press mode key
3. Press down
4. Press right
to highlight SCI
5. Press enter
6. Press 2nd
7. Press mode key
8. Press enter / 5. If you enter more lines than the display will show, how can you get to the lines before and after what the display shows?
Push the up or down arrow
6. How do you access the green functions?
- Press2nd
Find the square root of 784
1. Press 2nd
2. Press
3. Key in 784
4. Press enter
- Answer is 28. / 7. How do you find cube roots?
1. Press 3
2. Press 2nd
3. Press ^
4. Key in number
5. Press enter
Solve: =
- Answer is 6 / 8. How do you input fractions?
1. Key in numerator
2. Press button
3. Key in denominator
4. Push right arrow
on oval
Solve: + =
- Answer is / 9. How do you input mixed numbers?
1. Press 2nd button
2. Press button
3.Key inwhole number
4.Push
5.Key in numerator
6. Push down arrow
7. Key in denominator
8.Push
Solve: 3 + 2 =
- Answer is / 10. How do you change fractions to decimals using the toggle key?
1. Enter the fraction
2. Press right arrow
3. Press toggle
(under + sign)
4. Press enter
Change to a decimal
- Answer is.125
11. Solve:
2 + 3 * 5 – (8 +6)
- Answer is 3
Does the TI 30 XS automatically do order of operations correctly?
- Yes / 12. How do you enter an exponent?
1. Enter the base number
2. Press ^ (middle of far left row)
3. Enter exponent
4. Press enter
What is ?
- Answer is 6561 / 13. What’s the difference between and
= 9
= -9
- Use parenthesis to solvenegative exponents! / 14. Solve:
What is 15% of 35?
1. Enter 15
2. Press 2nd
3. Press ( (above 8)
4. Enter multiply
5. Enter 35
- Answer is 5.25 / 15. Enter the function y = x + 3. What arey values when x is-2, -1, 0, 1?
1. Press table
2. Enter x +3 (x is left of 4 button)
3. Press enter until it goes to a chart
4. Use
Answers:
(-2,1)(-1,2)(0,3)(1,4)