TI-30XS Scavenger Hunt

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

2. Describe how to clear the memory

3. You have entered 5 * 6 + 2 but want to change the 6 to a 3.

4. How do you show 5566778899 in scientific notation?

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?

6. How do you access the green functions?

Find the square root of 784

7. How do you find cube roots?

Solve: =

8. How do you input fractions?

Solve: + =

9. How do you input mixed numbers?

Solve: 3 + 2 =

10. How do you change fractions to decimals using the toggle key?

Change to a

decimal

11. Solve:2 + 3 * 5 – (8 +6)

Does the TI 30 XS automatically do order of operations correctly?

12. How do you enter an exponent?

What is ?

13. What’s the difference between

and

14. Solve: What is 15% of 35?

15. Enter the function y = x + 3. What are y values when x is -2, -1, 0, 1?

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 03. 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 556677882. Press mode key3. Press down 4. Press right to highlight SCI5. Press enter6. Press 2nd

7. Press mode key8. Press enterReturn to NORM mode for next problems!

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?- Press 2nd

Find the square root of 7841. Press 2nd

2. Press 3. Key in 7844. Press enter

- Answer is 28.

7. How do you find cube roots?1. Press 32. Press 2nd 3. Press ^4. Key in number5. Press enter

Solve: =

- Answer is 6

8. How do you input fractions? 1. Key in numerator

2. Press button

3. Key in denominator4. Push right arrow on oval

Solve: + =

- Answer is

9. How do you input mixed numbers? 1. Press 2nd button

2. Press button

3. Key in whole number4.Push 5.Key in numerator6. Push down arrow 7. Key in denominator8.Push

Solve: 3 + 2 =

- Answer is

10. How do you change fractions to decimals using the toggle key?

1. Enter the fraction2. Press right arrow3. 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 number2. 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 solve negative exponents!

14. Solve: What is 15% of 35?

1. Enter 152. Press 2nd

3. Press ( (above 8)4. Enter multiply5. Enter 35

- Answer is 5.25

15. Enter the function y = x + 3. What are y values when x is -2, -1, 0, 1?1. Press table2. Enter x +3 (x is left of 4 button)3. Press enter until it goes to a chart4. Use Answers: (-2,1)(-1,2)(0,3)(1,4)