Teachers Guide
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The FIX Key 2 Star Voyage - Scientific Notation 6 Trig Functions 10 What's My Score - 1-Variable Statistics 14 Heart Rates - 1-Variable Statistics 17 WNBA Stats - 2-Variable Statistics 23 How to Use the TI-30X ÚS 1 TI-30X ÖS Basic Operations 29 2 Clear, Insert, and Delete 33 3 Basic Math 36 4 ... Quick Reference to Keys Appendix B B-1 Display Indicators Appendix C C-1 Error Messages Appendix D D-1 Support and Service Information Appendix E E-1 Warranty Information © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers vi
The FIX Key 2 Star Voyage - Scientific Notation 6 Trig Functions 10 What's My Score - 1-Variable Statistics 14 Heart Rates - 1-Variable Statistics 17 WNBA Stats - 2-Variable Statistics 23 How to Use the TI-30X ÚS 1 TI-30X ÖS Basic Operations 29 2 Clear, Insert, and Delete 33 3 Basic Math 36 4 ... Quick Reference to Keys Appendix B B-1 Display Indicators Appendix C C-1 Error Messages Appendix D D-1 Support and Service Information Appendix E E-1 Warranty Information © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers vi
Teachers Guide
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Scientific Notation 6 Trig Functions 10 What's My Score? - 1-Variable Statistics 14 Heart Rates - 1-Variable Statistics 17 WNBA Stats - 2-Variable Statistics 23 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 1 The FIX Key 2 Star Voyage - Activities The Better Batter -
Scientific Notation 6 Trig Functions 10 What's My Score? - 1-Variable Statistics 14 Heart Rates - 1-Variable Statistics 17 WNBA Stats - 2-Variable Statistics 23 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 1 The FIX Key 2 Star Voyage - Activities The Better Batter -
Teachers Guide
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...a list of your team. F0123456789 3. Introduction 1. Have students round the following numbers to 3 decimal places using the TI-30X ÖS. See the table on the TI-30X ÙS to change numbers to 3 decimal places. Enter the first number. 4.39865 2. Press 4 to ... • comparing and ordering decimals Materials • TI-30X ÙS • pencil • student activity ³ 1. The Better Batter - The FIX Key Overview Students use % , on page 3 for each player. Students calculate batting averages using the TI-30X ÙS and then round their answers to ...
...a list of your team. F0123456789 3. Introduction 1. Have students round the following numbers to 3 decimal places using the TI-30X ÖS. See the table on the TI-30X ÙS to change numbers to 3 decimal places. Enter the first number. 4.39865 2. Press 4 to ... • comparing and ordering decimals Materials • TI-30X ÙS • pencil • student activity ³ 1. The Better Batter - The FIX Key Overview Students use % , on page 3 for each player. Students calculate batting averages using the TI-30X ÙS and then round their answers to ...
Teachers Guide
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Ripken Puckett Molitor Greenwell Tartabull Palmeiro Franco Joyner Boggs Baines Sax Williams Sheridan Barfield Mattingly Hall Number of Hits 122 119 119 104 103 120 109 105 106 91 113 20 15 64 109 87 Number of Times at Bat 368 363 364 334 311 366 344 338 329 290 388 74 63 284 367 280 Batting Average 0.332 0.328 0.327 0.311 0.331 0.328 0.317 0.311 0.322 0.314 0.291 0.270 0.238 0.225 0.297 0.311 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 3 The Better Batter - The FIX Key (Continued) Player C.
Ripken Puckett Molitor Greenwell Tartabull Palmeiro Franco Joyner Boggs Baines Sax Williams Sheridan Barfield Mattingly Hall Number of Hits 122 119 119 104 103 120 109 105 106 91 113 20 15 64 109 87 Number of Times at Bat 368 363 364 334 311 366 344 338 329 290 388 74 63 284 367 280 Batting Average 0.332 0.328 0.327 0.311 0.331 0.328 0.317 0.311 0.322 0.314 0.291 0.270 0.238 0.225 0.297 0.311 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 3 The Better Batter - The FIX Key (Continued) Player C.
Teachers Guide
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Name The FIX Key Date Problems 1. a. 4.39865 b. 72.965912 c. 0.29516 d. 0.00395 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 4 Round the following numbers to 3 decimal places. The Better Batter - Using the TI-30X ÖS, round the following numbers to 4 decimal places. a. 2.35647 b. 15.3633 c. 0.02698 2.
Name The FIX Key Date Problems 1. a. 4.39865 b. 72.965912 c. 0.29516 d. 0.00395 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 4 Round the following numbers to 3 decimal places. The Better Batter - Using the TI-30X ÖS, round the following numbers to 4 decimal places. a. 2.35647 b. 15.3633 c. 0.02698 2.
Teachers Guide
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...15 64 109 87 Number of your team. Player 1 Player 6 Player 2 Player 7 Player 3 Player 8 Player 4 Player 9 Player 5 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for each player. You need to select 9 players from the list to be on your players in order, from highest to 3 ...decimal places for Teachers 5 Make a list of Times at bat) rounded to lowest. Name The FIX Key Date Problem You are going to ...
...15 64 109 87 Number of your team. Player 1 Player 6 Player 2 Player 7 Player 3 Player 8 Player 4 Player 9 Player 5 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for each player. You need to select 9 players from the list to be on your players in order, from highest to 3 ...decimal places for Teachers 5 Make a list of Times at bat) rounded to lowest. Name The FIX Key Date Problem You are going to ...
Teachers Guide
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...;x. F0123456789 2. Press " to y¢. This is the y-intercept of best fit (round to 2 places before doing the statistical calculations. You may want to fix the decimal to the nearest hundredth). 1.56x + 7.02 5. Sy Îy Òx 112.00 1. This is the...;x Ð 21.59 4. Press " " " to a. n Ï Sx Îx Ð 12.00 2. n Ï Sx Îx Ð 9.33 3. This is y = ax + b. Calculate the statistical data. Write the correlation coefficient. Press You may want to r. Press " to discuss the other statistical variables and what they mean. 4. The form...
...;x. F0123456789 2. Press " to y¢. This is the y-intercept of best fit (round to 2 places before doing the statistical calculations. You may want to fix the decimal to the nearest hundredth). 1.56x + 7.02 5. Sy Îy Òx 112.00 1. This is the...;x Ð 21.59 4. Press " " " to a. n Ï Sx Îx Ð 12.00 2. n Ï Sx Îx Ð 9.33 3. This is y = ax + b. Calculate the statistical data. Write the correlation coefficient. Press You may want to r. Press " to discuss the other statistical variables and what they mean. 4. The form...
Teachers Guide
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... assume all default settings. • % , 8 removes the setting and returns to standard notation (floating decimal). • The FIX setting affects all decimal results and the mantissa of scientific and engineering notation results. • The TI-30X ÙS automatically rounds the result to 2 places, 0.147 becomes 0.15 when you set to the number of...
... assume all default settings. • % , 8 removes the setting and returns to standard notation (floating decimal). • The FIX setting affects all decimal results and the mantissa of scientific and engineering notation results. • The TI-30X ÙS automatically rounds the result to 2 places, 0.147 becomes 0.15 when you set to the number of...
Teachers Guide
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Press Display 12 8 345 12.345 8 %© %© " " " < DEG F_ 0 1 2 3 4 5 6 7 8 9 DEG F 0 1 _2 3 4 5 6 7 8 9 DEG 12.345 < %© 1 %© 8 FIX DEG 12.345 ' 12.35 FIX DEG 12.345 FIX ' 12.3 DEG 12.345 ' 12.345 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 46 Decimal, FIX Round 12.345 to the hundredths place, to the tenths place, and then cancel the FIX setting.
Press Display 12 8 345 12.345 8 %© %© " " " < DEG F_ 0 1 2 3 4 5 6 7 8 9 DEG F 0 1 _2 3 4 5 6 7 8 9 DEG 12.345 < %© 1 %© 8 FIX DEG 12.345 ' 12.35 FIX DEG 12.345 FIX ' 12.3 DEG 12.345 ' 12.345 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 46 Decimal, FIX Round 12.345 to the hundredths place, to the tenths place, and then cancel the FIX setting.
Teachers Guide
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DEG p*42 ' 50.26548246 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 60 Round your answer to the nearest whole number, and then return to find how much g of a lawn would be covered by the sprinkler. A = pr2 = p x 42 Press Display g V 4 F < %© " p*42 ' 50.26548246 DEG F-0 1 2 3 4 5 6 7 8 9 < %© 8 DEG p*42 FIX ' 50. Area Use this formula to floating decimal mode.
DEG p*42 ' 50.26548246 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 60 Round your answer to the nearest whole number, and then return to find how much g of a lawn would be covered by the sprinkler. A = pr2 = p x 42 Press Display g V 4 F < %© " p*42 ' 50.26548246 DEG F-0 1 2 3 4 5 6 7 8 9 < %© 8 DEG p*42 FIX ' 50. Area Use this formula to floating decimal mode.
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Square Roots Use this formula to 0 decimal places. DEG %œ © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 63 L= x = 3 3m2 of carpet would cover the floor. Round your answer to find the length of the side of a square clubhouse if 3m2 of carpet Press %œ 3 E < %© " < Display ‹(3) ' 1.732050808 DEG ‹(3) FIX ' 2.
Square Roots Use this formula to 0 decimal places. DEG %œ © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 63 L= x = 3 3m2 of carpet would cover the floor. Round your answer to find the length of the side of a square clubhouse if 3m2 of carpet Press %œ 3 E < %© " < Display ‹(3) ' 1.732050808 DEG ‹(3) FIX ' 2.
Teachers Guide
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FIX DEG 78/tan (27) ' 153.0836194 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 82 D = 78/TAN 27 @ Press 78 W @ 27 E < %© " < %© 8 Display 78/tan (27) ' 153.0836194 DEG F-0 1 2 3 4 5 6 7 8 9 DEG 78/tan (27) ' 153. Round your answer to the nearest whole number, and then return to the boat. Tangent Use this formula to find the distance from the lighthouse to floating decimal mode.
FIX DEG 78/tan (27) ' 153.0836194 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 82 D = 78/TAN 27 @ Press 78 W @ 27 E < %© " < %© 8 Display 78/tan (27) ' 153.0836194 DEG F-0 1 2 3 4 5 6 7 8 9 DEG 78/tan (27) ' 153. Round your answer to the nearest whole number, and then return to the boat. Tangent Use this formula to find the distance from the lighthouse to floating decimal mode.
Teachers Guide
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Round your answer to the nearest tenth, and then return to find the angle of depression. Inverse Tangent Use this formula to floating decimal mode. TAN x = 600/2500 %Ÿ Press Display %Ÿ 600W 2500 E < %© " " tan-1 (600/25 & ' 13.49573328 DEG F 0 -1 2 3 4 5 6 7 8 9 < DEG tan-1 (600/25 & ' 13.5 FIX DEG %© 8 tan-1 (600/25 & ' 13.49573328 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 83
Round your answer to the nearest tenth, and then return to find the angle of depression. Inverse Tangent Use this formula to floating decimal mode. TAN x = 600/2500 %Ÿ Press Display %Ÿ 600W 2500 E < %© " " tan-1 (600/25 & ' 13.49573328 DEG F 0 -1 2 3 4 5 6 7 8 9 < DEG tan-1 (600/25 & ' 13.5 FIX DEG %© 8 tan-1 (600/25 & ' 13.49573328 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 83
Teachers Guide
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Round your answer to the nearest whole number, and then return to find how far the base of the ladder is from the house. D = 5 x COS 75 ? FIX DEG 5*cos (75) ' 1.294095226 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 84 Press Display 5 V ? 75 E < %© " 5*cos (75) ' 1.294095226 DEG F -0 1 2 3 4 5 6 7 8 9 < %© 8 DEG 5*cos (75) ' 1. Cosine Use this formula to floating decimal mode.
Round your answer to the nearest whole number, and then return to find how far the base of the ladder is from the house. D = 5 x COS 75 ? FIX DEG 5*cos (75) ' 1.294095226 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 84 Press Display 5 V ? 75 E < %© " 5*cos (75) ' 1.294095226 DEG F -0 1 2 3 4 5 6 7 8 9 < %© 8 DEG 5*cos (75) ' 1. Cosine Use this formula to floating decimal mode.
Teachers Guide
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Sine Use this formula to floating decimal mode. D = 1.5/SIN 12 Press 1 8 5 W > 12 E < %© " < %© 8 Display 1.5/sin (12) & ' 7.214601517 DEG F -0 1 2 3 4 5 6 7 8 9 DEG 1.5/sin (12) & ' 7. FIX DEG 1.5/sin (12) & ' 7.214601517 DEG > © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 86 Round your answer to the nearest whole number, and then return to find the length of the ramp.
Sine Use this formula to floating decimal mode. D = 1.5/SIN 12 Press 1 8 5 W > 12 E < %© " < %© 8 Display 1.5/sin (12) & ' 7.214601517 DEG F -0 1 2 3 4 5 6 7 8 9 DEG 1.5/sin (12) & ' 7. FIX DEG 1.5/sin (12) & ' 7.214601517 DEG > © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 86 Round your answer to the nearest whole number, and then return to find the length of the ramp.
Teachers Guide
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Round your answer to the nearest tenth, and then return to find the angle of the conveyor belt. SIN x = 13/20 % Press % 13 W 20 E < %© " " < %© 8 Display sin-1 (13/20) & ' 40.54160187 DEG F 0 -1 2 3 4 5 6 7 8 9 DEG sin-1 (13/20) & ' 40.5 FIX DEG sin-1 (13/20) & ' 40.54160187 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 87 Inverse Sine Use this formula to floating decimal mode.
Round your answer to the nearest tenth, and then return to find the angle of the conveyor belt. SIN x = 13/20 % Press % 13 W 20 E < %© " " < %© 8 Display sin-1 (13/20) & ' 40.54160187 DEG F 0 -1 2 3 4 5 6 7 8 9 DEG sin-1 (13/20) & ' 40.5 FIX DEG sin-1 (13/20) & ' 40.54160187 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 87 Inverse Sine Use this formula to floating decimal mode.
Teachers Guide
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Press A 23 E < %© 4 B 23 E < %© 8 Display log (23) ' 1.361727836 DEG -F 0 1 2 3 4 5 6 7 8 9 DEG log (23) ' 1.3617 FIX DEG ln (23) ' 3.1355 FIX DEG ln (23) ' 3.135494216 DEG A B © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 92 Then find ln 23 rounded to 4 decimal places and return to 4 decimal places. Common Logarithm, Natural Logarithm Find log 23 rounded to floating decimal notation.
Press A 23 E < %© 4 B 23 E < %© 8 Display log (23) ' 1.361727836 DEG -F 0 1 2 3 4 5 6 7 8 9 DEG log (23) ' 1.3617 FIX DEG ln (23) ' 3.1355 FIX DEG ln (23) ' 3.135494216 DEG A B © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 92 Then find ln 23 rounded to 4 decimal places and return to 4 decimal places. Common Logarithm, Natural Logarithm Find log 23 rounded to floating decimal notation.
Teachers Guide
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Then find antiln 3.9824 rounded to floating decimal notation. % % Press Display % 3 8 9824 E < %© 10^ (3.9824) ' 9602.846792 DEG -F 0 1 2 3 4 5 6 7 8 9 DEG 4 10^ (3.9824) ' 9602.8468 FIX DEG % 3 8 e^ (3.9824) ' 9824 E < 53.6456 FIX DEG %© 8 e^ (3.9824) ' 53.64562936 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 93 When finished, return to 4 decimal places. Common Antilogarithm, Natural Antilogarithm Find antilog 3.9824 rounded to 4 decimal places.
Then find antiln 3.9824 rounded to floating decimal notation. % % Press Display % 3 8 9824 E < %© 10^ (3.9824) ' 9602.846792 DEG -F 0 1 2 3 4 5 6 7 8 9 DEG 4 10^ (3.9824) ' 9602.8468 FIX DEG % 3 8 e^ (3.9824) ' 9824 E < 53.6456 FIX DEG %© 8 e^ (3.9824) ' 53.64562936 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 93 When finished, return to 4 decimal places. Common Antilogarithm, Natural Antilogarithm Find antilog 3.9824 rounded to 4 decimal places.
Teachers Guide
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... engineering notation. DEG, RAD, GRAD Angle mode (degrees, radians, or gradients). Press # and $ to scroll. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers B-1 FIX Fixed-decimal setting. x10 Precedes the exponent in scientific or engineering notation. ' ( An entry is stored in history before and/or after the active screen. or " to scroll. % & An...
... engineering notation. DEG, RAD, GRAD Angle mode (degrees, radians, or gradients). Press # and $ to scroll. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers B-1 FIX Fixed-decimal setting. x10 Precedes the exponent in scientific or engineering notation. ' ( An entry is stored in history before and/or after the active screen. or " to scroll. % & An...