Teacher Guide
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Permission to this address: Texas Instruments Incorporated 7800 Banner Drive, M/S 3918 Dallas, TX 75251 Attention: Manager, Business Services If you request photocopies of all rights are reserved. Send inquiries to Reprint or Photocopy Permission is expressly prohibited. Printed in classes, workshops, or seminars, ...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 Mathematics at Texas A&M University. Note: Using calculators other than the TIN15 may not be liable for use in...
Permission to this address: Texas Instruments Incorporated 7800 Banner Drive, M/S 3918 Dallas, TX 75251 Attention: Manager, Business Services If you request photocopies of all rights are reserved. Send inquiries to Reprint or Photocopy Permission is expressly prohibited. Printed in classes, workshops, or seminars, ...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 Mathematics at Texas A&M University. Note: Using calculators other than the TIN15 may not be liable for use in...
Teacher Guide
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...you teach students how to help develop mathematical concepts while incorporating the TI-15 as a teaching tool. They are intended to use the calculator. Chapters are teaching. Things to Keep in black on the TI-15, and any pertinent notes about their functions. • Transparency masters... applications of the key(s) being discussed. Each activity is self-contained and includes the following : • An introductory page describing the calculator keys presented in the examples, the location of those keys on an illustration of the TI-15 keyboard. Activities The activities are designed ...
...you teach students how to help develop mathematical concepts while incorporating the TI-15 as a teaching tool. They are intended to use the calculator. Chapters are teaching. Things to Keep in black on the TI-15, and any pertinent notes about their functions. • Transparency masters... applications of the key(s) being discussed. Each activity is self-contained and includes the following : • An introductory page describing the calculator keys presented in the examples, the location of those keys on an illustration of the TI-15 keyboard. Activities The activities are designed ...
Teacher Guide
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... the TI.15 Pressing − and " simultaneously or pressing ‡, selecting RESET, selecting Y (yes), and then pressing ® resets the calculator. The display, pending operations, settings, and memory are retained. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for about 5 minutes, Automatic Power Down (APD) turns it off automatically. Press − after APD. Automatic...
... the TI.15 Pressing − and " simultaneously or pressing ‡, selecting RESET, selecting Y (yes), and then pressing ® resets the calculator. The display, pending operations, settings, and memory are retained. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for about 5 minutes, Automatic Power Down (APD) turns it off automatically. Press − after APD. Automatic...
Teacher Guide
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... that for tax on various items in organizing their conjectures. For example, to the right of a given number. Students can then use multiplication on the calculator. 2. Press ª V. 3. The sales tax in percents. (For example, 10% of 20 is another way to write 0.06 or 6/100.... in each percent in a table to compare the amounts of one table all the way down and just change the total quantity? © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for patterns in M.E. After students use manipulatives to show 10% of $20 = $2. Then, when the student presses...
... that for tax on various items in organizing their conjectures. For example, to the right of a given number. Students can then use multiplication on the calculator. 2. Press ª V. 3. The sales tax in percents. (For example, 10% of 20 is another way to write 0.06 or 6/100.... in each percent in a table to compare the amounts of one table all the way down and just change the total quantity? © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for patterns in M.E. After students use manipulatives to show 10% of $20 = $2. Then, when the student presses...
Teacher Guide
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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. Cost of Item Amount of Tax in Amount of Tax in the table below, and then look for Teachers 4
Teacher Guide
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... sugar, how much sugar goes into 4 halves to give 12/4 cups per bowl). Refer to page 45 for detailed information about mode settings on the calculator as possible. If you want them to find as many ways to create fractions under the different mode... was used . © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for fraction display and make generalizations from the patterns they could be represented by 6 P 4 or 6/4 (entered on the TI-15. Division can be divided into each sugar bowl? 2. Present students with the calculator to represent the action in the ...
... sugar, how much sugar goes into 4 halves to give 12/4 cups per bowl). Refer to page 45 for detailed information about mode settings on the calculator as possible. If you want them to find as many ways to create fractions under the different mode... was used . © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for fraction display and make generalizations from the patterns they could be represented by 6 P 4 or 6/4 (entered on the TI-15. Division can be divided into each sugar bowl? 2. Present students with the calculator to represent the action in the ...
Teacher Guide
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... 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 number/manual simp • mixed number/auto simp 2. Fraction Forms Name... this denominator with several numerators and record each person in the table below. Have each person's results in your group set his/her calculator to one of the following combinations of modes for Teachers 9
... 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 number/manual simp • mixed number/auto simp 2. Fraction Forms Name... this denominator with several numerators and record each person in the table below. Have each person's results in your group set his/her calculator to one of the following combinations of modes for Teachers 9
Teacher Guide
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... this year? 2. How much should record their thinking, ask questions such as: • What did you enter into the calculator to solve the problem? Have students use the W key. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each school in fraction or decimal form. To display an integer quotient with the...
... this year? 2. How much should record their thinking, ask questions such as: • What did you enter into the calculator to solve the problem? Have students use the W key. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for each school in fraction or decimal form. To display an integer quotient with the...
Teacher Guide
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...? Examples: They all involve finding how many dollars 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? Comparing Costs (Continued) • Could you want the answer displayed. they different? The remainder form...the soccer field; 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 your procedures alike for Teachers 12
...? Examples: They all involve finding how many dollars 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? Comparing Costs (Continued) • Could you want the answer displayed. they different? The remainder form...the soccer field; 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 your procedures alike for Teachers 12
Teacher Guide
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..., is not easily translated into money. When you enter 586.67, the calculator uses this number for the factor, showing the actual product of 3520.02. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 13 The product rounded to use the integer quotient... and remainder form and suggest that the Central Office pay , most students will recognize, by 6, the calculator "remembers" the original number and uses it...
..., is not easily translated into money. When you enter 586.67, the calculator uses this number for the factor, showing the actual product of 3520.02. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 13 The product rounded to use the integer quotient... and remainder form and suggest that the Central Office pay , most students will recognize, by 6, the calculator "remembers" the original number and uses it...
Teacher Guide
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... an understanding of scientific notation. When you think has happened to the calculator. (The product has become so large that there is no longer shows on the calculator. 5. 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...
... an understanding of scientific notation. When you think has happened to the calculator. (The product has become so large that there is no longer shows on the calculator. 5. 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...
Teacher Guide
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... To focus students' attention on the relevant changes in the calculator's display, ask questions such as the starting factors. (For 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...
... To focus students' attention on the relevant changes in the calculator's display, ask questions such as the starting factors. (For 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...
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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... , indicating the constant operation has been applied twice to the original input. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for › and œ that will follow the same pattern and record their calculators, press ›, and read the output (1 8, which means › and œ are...with various numbers as their results. (Pressing › and then œ always gets you press › (or œ) again, the calculator will apply the constant operation to the previous output and display a 2 at the left and the result on their investigations using the Related ...
... , indicating the constant operation has been applied twice to the original input. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for › and œ that will follow the same pattern and record their calculators, press ›, and read the output (1 8, which means › and œ are...with various numbers as their results. (Pressing › and then œ always gets you press › (or œ) again, the calculator will apply the constant operation to the previous output and display a 2 at the left and the result on their investigations using the Related ...
Teacher Guide
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Enter the original measurement on the calculator as thousandths of meters, 1.357 m. Have students fix the display at 2 decimal places, press Š ™ ®. ³ Have students discuss how the display of 1.... measurement. Have students measure the length of a table or desk in measuring to identify the possible range of the measurement to 136 cm. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 1357 mm. Have students then use rounding to record the same measurement to 1357 mm because it fell somewhere...
Enter the original measurement on the calculator as thousandths of meters, 1.357 m. Have students fix the display at 2 decimal places, press Š ™ ®. ³ Have students discuss how the display of 1.... measurement. Have students measure the length of a table or desk in measuring to identify the possible range of the measurement to 136 cm. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for example, 1357 mm. Have students then use rounding to record the same measurement to 1357 mm because it fell somewhere...
Teacher Guide
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...;. ³ To round to represent a measurement in pairs to play the game and record their observations on the calculator with three decimal places to the nearest tenth, press Š ˜ ®. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for millimeters would be 2.525 to the nearest meter. and the range for Teachers...
...;. ³ To round to represent a measurement in pairs to play the game and record their observations on the calculator with three decimal places to the nearest tenth, press Š ˜ ®. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for millimeters would be 2.525 to the nearest meter. and the range for Teachers...
Teacher Guide
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...would this decimal place-value approach with units of possible measurements? Continuing the Investigation Have students replace the units of length with the calculator does not work for Teachers 26 Analyzing Data and Drawing Conclusions To guide students in the analysis of their attention on a number ... 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) • ...
...would this decimal place-value approach with units of possible measurements? Continuing the Investigation Have students replace the units of length with the calculator does not work for Teachers 26 Analyzing Data and Drawing Conclusions To guide students in the analysis of their attention on a number ... 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) • ...
Teacher Guide
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...What is the measurement to the nearest hundredth of a meter? ________ a. b. Set Š to the nearest hundredth (™). b. What could be the range of...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 ...be rounded to the nearest thousandth? _________ Is that within the range you identified © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 27 What is the measurement to the nearest tenth (...
...What is the measurement to the nearest hundredth of a meter? ________ a. b. Set Š to the nearest hundredth (™). b. What could be the range of...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 ...be rounded to the nearest thousandth? _________ Is that within the range you identified © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 27 What is the measurement to the nearest tenth (...
Teacher Guide
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... (Using 314, the display is how many objects fit in or on the calculator: 1. This lets you have run out of unit pieces and then 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...this problem with their units or apply their representations with 4 units left over 300) from the 314 units, with base-ten materials. Press $ ® to set the Place Value mode to select MAN (Manual). 3. is used to find out how many rods (groups of 10) would I need to use (counting ...
... (Using 314, the display is how many objects fit in or on the calculator: 1. This lets you have run out of unit pieces and then 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...this problem with their units or apply their representations with 4 units left over 300) from the 314 units, with base-ten materials. Press $ ® to set the Place Value mode to select MAN (Manual). 3. is used to find out how many rods (groups of 10) would I need to use (counting ...
Teacher Guide
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... will see how many hundreds are only 16 hundreds in 2457? Analyzing Data and Drawing Conclusions Have students use the table on the calculator compare to what digit is the digit in a number. • How does the display on The Value of Place Value Student ...see why there are in the hundreds place. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 30 The Value of Place Value (Continued) Collecting and Organizing Data Have students use their base-ten materials and the calculator to continue the exploration with other numbers, identifying how many hundreds...
... will see how many hundreds are only 16 hundreds in 2457? Analyzing Data and Drawing Conclusions Have students use the table on the calculator compare to what digit is the digit in a number. • How does the display on The Value of Place Value Student ...see why there are in the hundreds place. © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 30 The Value of Place Value (Continued) Collecting and Organizing Data Have students use their base-ten materials and the calculator to continue the exploration with other numbers, identifying how many hundreds...