Teacher Guide
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... the specific rights granted herein, all or portions of this book. Note: Using calculators other electronic or mechanical means, including any other than the TIN15 may not be obtained from Texas Instruments Incorporated to reproduce or transmit this work or portions thereof in any other form or...purchase or use of these materials, and the sole and exclusive liability of Texas Instruments, regardless of the form of action, shall not exceed the purchase price of this book from those described in classes, workshops, or seminars, provided each copy made shows the copyright notice. About...
... the specific rights granted herein, all or portions of this book. Note: Using calculators other electronic or mechanical means, including any other than the TIN15 may not be obtained from Texas Instruments Incorporated to reproduce or transmit this work or portions thereof in any other form or...purchase or use of these materials, and the sole and exclusive liability of Texas Instruments, regardless of the form of action, shall not exceed the purchase price of this book from those described in classes, workshops, or seminars, provided each copy made shows the copyright notice. About...
Teacher Guide
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... the TI-15, and any pertinent notes about their functions. • Transparency masters following : • An introductory page describing the calculator keys presented in Mind • While many of the examples on transparency masters. How To Use the TI-15 is independent of the...a key (or keys), and then provide relevant examples of your curriculum or grade level, use the calculator. Select the transparency master that everyone starts at the same point, have students reset the calculator by pressing − and " simultaneously or by pressing ‡, selecting RESET, selecting Y (yes...
... the TI-15, and any pertinent notes about their functions. • Transparency masters following : • An introductory page describing the calculator keys presented in Mind • While many of the examples on transparency masters. How To Use the TI-15 is independent of the...a key (or keys), and then provide relevant examples of your curriculum or grade level, use the calculator. Select the transparency master that everyone starts at the same point, have students reset the calculator by pressing − and " simultaneously or by pressing ‡, selecting RESET, selecting Y (yes...
Teacher Guide
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.... Resetting the calculator: • Returns settings to their defaults: Standard notation (floating decimal), mixed numbers, manual simplification, Problem Solving Auto mode, and Difficulty Level 1 (addition) in Problem Solving. • Clears pending operations, entries in history, and constants (stored operations). The display, pending operations, settings, and memory are retained. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15...
.... Resetting the calculator: • Returns settings to their defaults: Standard notation (floating decimal), mixed numbers, manual simplification, Problem Solving Auto mode, and Difficulty Level 1 (addition) in Problem Solving. • Clears pending operations, entries in history, and constants (stored operations). The display, pending operations, settings, and memory are retained. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15...
Teacher Guide
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...the lefthand column of one table all the way down and just change the total quantity? © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for tax on the calculator. 2. Enter 20; Have students make conjectures about percentages of a given number. Examples: • Students ... 2. Students can then use manipulatives to students: Metropolis East (M.E.) and Metropolis West (M.W.) are neighboring cities. press ®. Students can verify the calculator display of 2 by using manipulatives to the right of the ones place. ³ When a student enters a 6 ª, the TI-15...
...the lefthand column of one table all the way down and just change the total quantity? © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for tax on the calculator. 2. Enter 20; Have students make conjectures about percentages of a given number. Examples: • Students ... 2. Students can then use manipulatives to students: Metropolis East (M.E.) and Metropolis West (M.W.) are neighboring cities. press ®. Students can verify the calculator display of 2 by using manipulatives to the right of the ones place. ³ When a student enters a 6 ª, the TI-15...
Teacher Guide
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Cost of Item Amount of Tax in Amount of Tax in the table below, and then look for Teachers 4 Name Patterns in Percent Date Collecting and Organizing Data Use your calculator to collect data about percent, organize it in Metropolis West Metropolis East Tax Rate: ____% Tax Rate: ____% © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for patterns.
Cost of Item Amount of Tax in Amount of Tax in the table below, and then look for Teachers 4 Name Patterns in Percent Date Collecting and Organizing Data Use your calculator to collect data about percent, organize it in Metropolis West Metropolis East Tax Rate: ____% Tax Rate: ____% © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for patterns.
Teacher Guide
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..., or 3/2 cups of sugar. • If a 1-cup measuring cup was used . © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for detailed information about mode settings on the TI-15. Division can be represented by 6 P 4 or 6/4 (entered on the calculator as : In a small cafe, there are 6 cups of sugar left in the situation (6 cups...
..., or 3/2 cups of sugar. • If a 1-cup measuring cup was used . © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for detailed information about mode settings on the TI-15. Division can be represented by 6 P 4 or 6/4 (entered on the calculator as : In a small cafe, there are 6 cups of sugar left in the situation (6 cups...
Teacher Guide
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Have each person's results in your group set his/her calculator to one of the following combinations of modes for Teachers 9 Select a denominator 3. Numerator Denominator n d Man 0 n n n d Auto U d Man U d Auto 1 2 3 4 © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for fraction display. (Each person should choose a different setting.) • improper/manual simp • improper/auto simp • mixed...
Have each person's results in your group set his/her calculator to one of the following combinations of modes for Teachers 9 Select a denominator 3. Numerator Denominator n d Man 0 n n n d Auto U d Man U d Auto 1 2 3 4 © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for fraction display. (Each person should choose a different setting.) • improper/manual simp • improper/auto simp • mixed...
Teacher Guide
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...a remainder, use the £ key. To display a quotient in fraction form, press ‡ " ® to select n/d, then use the W key. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each school contribute to find the cost for Teachers 11 Example: A student may have decided to split the cost evenly...‡ ! ® to solve the problem? How much should record their thinking, ask questions such as: • What did you enter into the calculator to select , then use the W key. To display a quotient in decimal form and compare the results.
...a remainder, use the £ key. To display a quotient in fraction form, press ‡ " ® to select n/d, then use the W key. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each school contribute to find the cost for Teachers 11 Example: A student may have decided to split the cost evenly...‡ ! ® to solve the problem? How much should record their thinking, ask questions such as: • What did you enter into the calculator to select , then use the W key. To display a quotient in decimal form and compare the results.
Teacher Guide
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... the three forms alike? Example: A student may see that 80 x 110 could be done mentally, and the key presses could be simplified to tell the calculator in what form you have a whole number component of 586. • How are left over. You use different keys to 8800 V .4 W 6 ®...ask questions such as: • How are they all have solved the problem more than $586 each school has to pay. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each type of solution? The fraction and decimal forms tell how much more efficiently? How? They all involve ...
... the three forms alike? Example: A student may see that 80 x 110 could be done mentally, and the key presses could be simplified to tell the calculator in what form you have a whole number component of 586. • How are left over. You use different keys to 8800 V .4 W 6 ®...ask questions such as: • How are they all have solved the problem more than $586 each school has to pay. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each type of solution? The fraction and decimal forms tell how much more efficiently? How? They all involve ...
Teacher Guide
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...cost of 3520.02. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for the factor, showing the actual product of $3520. The product rounded to use? If you enter 586.666667 x 6 and press ®, you enter 586.67, the calculator uses this number for Teachers 13 Although the...integer quotient and remainder form and suggest that doesn't make sense because 6 x 7 = 42. You can multiply 5862/3 x 6 in a 0! If you clear the calculator and enter 586.67 x 6, and press ® , then the display reads 3520.02, which does make sense. • As a school, which still doesn't make...
...cost of 3520.02. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for the factor, showing the actual product of $3520. The product rounded to use? If you enter 586.666667 x 6 and press ®, you enter 586.67, the calculator uses this number for Teachers 13 Although the...integer quotient and remainder form and suggest that doesn't make sense because 6 x 7 = 42. You can multiply 5862/3 x 6 in a 0! If you clear the calculator and enter 586.67 x 6, and press ® , then the display reads 3520.02, which does make sense. • As a school, which still doesn't make...
Teacher Guide
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...6 Overview Students will use › to develop an understanding of scientific notation. Have students review the pattern created when using x 10 one time. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 1x10^11.) To multiply repeatedly by 10 over and over again? 3. Example: 1 x 10 = 10 2...is no longer displayed, ask them record the resulting displays on this pattern, what do you press › the first time, the calculator performs the operation 1 x 10 and the display shows: 1x10 1 10 The 1 represents using 10 as the starting factor. 3. ...
...6 Overview Students will use › to develop an understanding of scientific notation. Have students review the pattern created when using x 10 one time. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 1x10^11.) To multiply repeatedly by 10 over and over again? 3. Example: 1 x 10 = 10 2...is no longer displayed, ask them record the resulting displays on this pattern, what do you press › the first time, the calculator performs the operation 1 x 10 and the display shows: 1x10 1 10 The 1 represents using 10 as the starting factor. 3. ...
Teacher Guide
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... notation is pressed, and it matches the left disappear? Collecting and Organizing Data To focus students' attention on the relevant changes in the calculator's display, ask questions such as the starting factor, the display 2x10^11 represents multiplying 2 by 10 eleven times, or 2 x 1011...example, using 2 as : • What does the display 3 1000 mean? • When did the counter on the left -hand counter. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for repeated factors: 1 x 10 .11 8. Explain to press › and record the results. 7. The product looks different. ...
... notation is pressed, and it matches the left disappear? Collecting and Organizing Data To focus students' attention on the relevant changes in the calculator's display, ask questions such as the starting factor, the display 2x10^11 represents multiplying 2 by 10 eleven times, or 2 x 1011...example, using 2 as : • What does the display 3 1000 mean? • When did the counter on the left -hand counter. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for repeated factors: 1 x 10 .11 8. Explain to press › and record the results. 7. The product looks different. ...
Teacher Guide
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Number of Times ___ Used as a Factor 0 Display (starting factor) 1 2 3 4 © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each time you press ›. Record the results in the table below for Teachers 18 Number Shorthand: Name Scientific Notation Date Collecting and Organizing Data Program the constant operation feature on your calculator to multiply by 10.
Number of Times ___ Used as a Factor 0 Display (starting factor) 1 2 3 4 © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each time you press ›. Record the results in the table below for Teachers 18 Number Shorthand: Name Scientific Notation Date Collecting and Organizing Data Program the constant operation feature on your calculator to multiply by 10.
Teacher Guide
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...to the first input number, which means adding 2 once to apply the constant operation. 5. Discuss their calculators, press ›, and read the output (1 8, which you press › (or œ) again, the calculator will have a 1 on the right. Press › (or œ). 2. Enter the operation and... • TI-15 • pencil • student activity (page 23) Introduction 1. Enter the number to the original input. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 20 Have students continue this process with -2. 2. If you want to 8 gives 10). 3.
...to the first input number, which means adding 2 once to apply the constant operation. 5. Discuss their calculators, press ›, and read the output (1 8, which you press › (or œ) again, the calculator will have a 1 on the right. Press › (or œ). 2. Enter the operation and... • TI-15 • pencil • student activity (page 23) Introduction 1. Enter the number to the original input. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 20 Have students continue this process with -2. 2. If you want to 8 gives 10). 3.
Teacher Guide
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... this number represent? (The measurement rounded to the nearest tenth of the measurement to 136 cm. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 1357 mm. Enter the original measurement on the calculator as thousandths of a given measurement. Have students fix the display at one decimal place. Have students then use...
... this number represent? (The measurement rounded to the nearest tenth of the measurement to 136 cm. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 1357 mm. Enter the original measurement on the calculator as thousandths of a given measurement. Have students fix the display at one decimal place. Have students then use...
Teacher Guide
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... and millimeter (thousandths). (The range for centimeters would be 2.45 to the nearest tenth, press Š ˜ ®. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 2.531. Ask: What does this lie within that this display to represent a measurement in pairs to ...531 lying within the range we identified? 9. Introduce the In the Range game by secretly entering a number on their observations on the calculator with three decimal places to students. 7. Then display the number rounded to no decimal places. Ask students: Does this number represent? (...
... and millimeter (thousandths). (The range for centimeters would be 2.45 to the nearest tenth, press Š ˜ ®. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 2.531. Ask: What does this lie within that this display to represent a measurement in pairs to ...531 lying within the range we identified? 9. Introduce the In the Range game by secretly entering a number on their observations on the calculator with three decimal places to students. 7. Then display the number rounded to no decimal places. Ask students: Does this number represent? (...
Teacher Guide
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...yard, nearest foot, and nearest inch. (For example, 2 yards would lie between 1 yard and 18 inches and 2 yards and 18 inches.) © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for measurements in if it was measured to you? (½ a unit less or ½ a unit more) • How ...involved? • When you read a measurement, what range a measurement would this decimal place-value approach with units of length with the calculator does not work for Teachers 26 What patterns are you use these patterns to round 256.0295 to notice the same patterns. Continuing the ...
...yard, nearest foot, and nearest inch. (For example, 2 yards would lie between 1 yard and 18 inches and 2 yards and 18 inches.) © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for measurements in if it was measured to you? (½ a unit less or ½ a unit more) • How ...involved? • When you read a measurement, what range a measurement would this decimal place-value approach with units of length with the calculator does not work for Teachers 26 What patterns are you use these patterns to round 256.0295 to notice the same patterns. Continuing the ...
Teacher Guide
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... a. In the Range Name Date Collecting and Organizing Data Have your partner secretly enter a measurement with three decimals places into the calculator, and then fix the number to be the range of the measurement if it had been measured to the nearest thousandth of a... meter (centimeters)? What is the measurement to the nearest hundredth Is that within the range you identified © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 27 Set Š to the nearest hundredth (™). b. b. What could be the range of the measurement if it had ...
... a. In the Range Name Date Collecting and Organizing Data Have your partner secretly enter a measurement with three decimals places into the calculator, and then fix the number to be the range of the measurement if it had been measured to the nearest thousandth of a... meter (centimeters)? What is the measurement to the nearest hundredth Is that within the range you identified © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 27 Set Š to the nearest hundredth (™). b. b. What could be the range of the measurement if it had ...
Teacher Guide
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... ask: How many ones, tens, hundreds, etc., are 31 tens in 314.) © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 29 Have students explore the answer to see the display. ...solutions with their units or apply their knowledge of place value. Press Œ ' to this problem on the calculator: 1. This lets you filled. is used to find what digit is how many jelly beans fit into a...size as yours? 4. Then show them that this activity: 1. Press $ ® to set the Place Value mode to explore the answer using numbers by Rod Clement. Enter the number...
... ask: How many ones, tens, hundreds, etc., are 31 tens in 314.) © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 29 Have students explore the answer to see the display. ...solutions with their units or apply their knowledge of place value. Press Œ ' to this problem on the calculator: 1. This lets you filled. is used to find what digit is how many jelly beans fit into a...size as yours? 4. Then show them that this activity: 1. Press $ ® to set the Place Value mode to explore the answer using numbers by Rod Clement. Enter the number...
Teacher Guide
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...Data and Drawing Conclusions Have students use the 11 - . Place Value mode to the number 1314? They can use the table on the calculator compare to continue the exploration with questions such as : • How does the number of tens in 2457? mode to record their ...2478? 3056? • How many tens are in 120? 2478? 3056? • How many units (ones) are in the hundreds place. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for older students). How about 567? The Value of Place Value (Continued) Collecting and Organizing Data Have students use the - 1 ...
...Data and Drawing Conclusions Have students use the 11 - . Place Value mode to the number 1314? They can use the table on the calculator compare to continue the exploration with questions such as : • How does the number of tens in 2457? mode to record their ...2478? 3056? • How many tens are in 120? 2478? 3056? • How many units (ones) are in the hundreds place. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for older students). How about 567? The Value of Place Value (Continued) Collecting and Organizing Data Have students use the - 1 ...
