Teachers Guide
Page 34
... b. 9 6/8 c. 4/6 d. 8 4/24 3/4 9 3/4 2/3 8 1/6 ³ 1. A−bÌc d/e 2. Math Concepts • adding fractions • simplifying fractions Materials • TI-34 Û • pencil • student activity (page 30) Introduction Set up the activity by showing the students how to select the mixed number mode. a. 4 5/8 + 3 4/5 b. 9 7/8 + 6 4/5 c. 5 5/6 + 3 1/9 d. 8 1/3+ 7 4/7 8 17/40 16 27/40 8 17/18 15 19/21 2. Have students practice adding...
... b. 9 6/8 c. 4/6 d. 8 4/24 3/4 9 3/4 2/3 8 1/6 ³ 1. A−bÌc d/e 2. Math Concepts • adding fractions • simplifying fractions Materials • TI-34 Û • pencil • student activity (page 30) Introduction Set up the activity by showing the students how to select the mixed number mode. a. 4 5/8 + 3 4/5 b. 9 7/8 + 6 4/5 c. 5 5/6 + 3 1/9 d. 8 1/3+ 7 4/7 8 17/40 16 27/40 8 17/18 15 19/21 2. Have students practice adding...
Teachers Guide
Page 38
...material? Would you have any extra? Math Concepts • multiplying mixed numbers by whole numbers • subtracting mixed numbers Materials • TI-34 Û • pencil • student activity (page 34) Introduction Set up the activity by discussing the concepts of costumes....costume only required 1 2/3 yards? Have students practice multiplying mixed numbers by whole numbers, and subtracting mixed numbers. 1. Each costume takes 2 3/8 yards of the TI-34 Û calculator to determine if enough material is in mixed-number mode by pressing % ~ and pressing " or !...
...material? Would you have any extra? Math Concepts • multiplying mixed numbers by whole numbers • subtracting mixed numbers Materials • TI-34 Û • pencil • student activity (page 34) Introduction Set up the activity by discussing the concepts of costumes....costume only required 1 2/3 yards? Have students practice multiplying mixed numbers by whole numbers, and subtracting mixed numbers. 1. Each costume takes 2 3/8 yards of the TI-34 Û calculator to determine if enough material is in mixed-number mode by pressing % ~ and pressing " or !...
Teachers Guide
Page 39
The total yardage needed . ³ Be sure your calculator is 33 ¼ yards, but you begin. 33 2/8 yards 2. Find out how much more you need . ³ 1. Next, simplify the result. You don't have from the yardage you have enough. 3. Using the TI-34 Ö, find the total yardage needed for the costume by subtracting the yardage you need by the number of material needed for the 14 costumes by multiplying the amount of costumes needed is in mixed number mode before you only have 23 yards. Sewing Costumes-Fractions (Continued) Procedure 1. Press 2 @ 3 > 8 V 14
The total yardage needed . ³ Be sure your calculator is 33 ¼ yards, but you begin. 33 2/8 yards 2. Find out how much more you need . ³ 1. Next, simplify the result. You don't have from the yardage you have enough. 3. Using the TI-34 Ö, find the total yardage needed for the costume by subtracting the yardage you need by the number of material needed for the 14 costumes by multiplying the amount of costumes needed is in mixed number mode before you only have 23 yards. Sewing Costumes-Fractions (Continued) Procedure 1. Press 2 @ 3 > 8 V 14
Teachers Guide
Page 40
Practice subtracting mixed numbers. Using the TI-34 Ö, practice multiplying mixed numbers by whole numbers. a. 3 3/5 x 7 = b. 9 7/8 x 4 = c. 4 1/7 x 5 = d. 7 4/5 x 3 = 2. a. 4 5/8 - 3 4/5 = b. 9 7/8 - 6 3/4 = c. 5 5/6 - 3 1/9 = d. 8 1/3 - 7 4/7 = © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 34 Fractions Name Date 1. Sewing Costumes-
Practice subtracting mixed numbers. Using the TI-34 Ö, practice multiplying mixed numbers by whole numbers. a. 3 3/5 x 7 = b. 9 7/8 x 4 = c. 4 1/7 x 5 = d. 7 4/5 x 3 = 2. a. 4 5/8 - 3 4/5 = b. 9 7/8 - 6 3/4 = c. 5 5/6 - 3 1/9 = d. 8 1/3 - 7 4/7 = © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 34 Fractions Name Date 1. Sewing Costumes-
Teachers Guide
Page 71
displays mixed number results. Manual-displays unsimplified fractions. If you want to choose the factor (instead of 4 settings that are simplified to their lowest 2 terms. (continued) © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for the corresponding numbered keys on the illustration below. 1. @ separates a whole number from the fraction in a calculation. 4 • Fractional results and entries are displayed...
displays mixed number results. Manual-displays unsimplified fractions. If you want to choose the factor (instead of 4 settings that are simplified to their lowest 2 terms. (continued) © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for the corresponding numbered keys on the illustration below. 1. @ separates a whole number from the fraction in a calculation. 4 • Fractional results and entries are displayed...
Teachers Guide
Page 72
...; For a mixed number, the whole number can be up to 3 digits, the numerator can be up to 3 digits, and the denominator can be up to the value 1,000. • For a simple fraction, the numerator can be up to 6 digits and the denominator can be up to the value 1,000. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û...
...; For a mixed number, the whole number can be up to 3 digits, the numerator can be up to 3 digits, and the denominator can be up to the value 1,000. • For a simple fraction, the numerator can be up to 6 digits and the denominator can be up to the value 1,000. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û...
Teachers Guide
Page 75
... a fraction. %" Press Display 3 @ 1 >2 3†1/2 %" 3 † 1 / 2 ¾ A b/c½ ¾ d/e < 3† 1/ 2¾Ab/c½ ¾ d/e º 7 / 2 Show the mixed number again. " % < A n s ¾A b / c ½ ¾ d / e º 3†1 / 2 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for 3½ cups of flour. To find out how many times Sam will use his birthday cake. The recipe calls for Teachers 69...
... a fraction. %" Press Display 3 @ 1 >2 3†1/2 %" 3 † 1 / 2 ¾ A b/c½ ¾ d/e < 3† 1/ 2¾Ab/c½ ¾ d/e º 7 / 2 Show the mixed number again. " % < A n s ¾A b / c ½ ¾ d / e º 3†1 / 2 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for 3½ cups of flour. To find out how many times Sam will use his birthday cake. The recipe calls for Teachers 69...
Teachers Guide
Page 129
... decimal, if possible. F 0 1 2 3 4 5 6 7 8 9 F Sets floating decimal (standard) notation 0-9 Sets number of decimal places © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for 1-VAR stats; Once the display is clear, it deletes all memory variables. Converts a fraction to a ...to Keys (Continued) A Key % O % i % { Q v J %I C < % w R %? % , Function Converts a simple fraction to a mixed number or a mixed number to clear data values and exit STAT mode. EXIT ST: Y N Press < when Y (yes) is underlined to return to simplify the last fraction result. Displays...
... decimal, if possible. F 0 1 2 3 4 5 6 7 8 9 F Sets floating decimal (standard) notation 0-9 Sets number of decimal places © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for 1-VAR stats; Once the display is clear, it deletes all memory variables. Converts a fraction to a ...to Keys (Continued) A Key % O % i % { Q v J %I C < % w R %? % , Function Converts a simple fraction to a mixed number or a mixed number to clear data values and exit STAT mode. EXIT ST: Y N Press < when Y (yes) is underlined to return to simplify the last fraction result. Displays...
Teachers Guide
Page 130
...base e, where e=2.718281828459) e^ Raises e to specified number of digits. Min(#1, #2) Max(#1, #2) lcm(#1, #2) gcd(#1, #2) #3 3È# Returns the minimum (min) or maximum (max) of two values, #1 by #2. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers A-3 Finds the ...Continued) A Key %~ % f %Y %A %d Function Displays a menu of four display mode settings that are displayed: A−b/c displays mixed number results. Round(#,digits) Rounds # to the given power Displays a menu with various math functions: abs(#) Displays absolute value of two ...
...base e, where e=2.718281828459) e^ Raises e to specified number of digits. Min(#1, #2) Max(#1, #2) lcm(#1, #2) gcd(#1, #2) #3 3È# Returns the minimum (min) or maximum (max) of two values, #1 by #2. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers A-3 Finds the ...Continued) A Key %~ % f %Y %A %d Function Displays a menu of four display mode settings that are displayed: A−b/c displays mixed number results. Round(#,digits) Rounds # to the given power Displays a menu with various math functions: abs(#) Displays absolute value of two ...
Teachers Guide
Page 133
tan Calculates the tangent. Separates a whole number from the fraction in a mixed number. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers A-6 sin-1 Calculates the inverse sine. cos Calculates the cosine. tan-1 Calculates the inverse tangent. Quick Reference to Keys (Continued) A Key %B @ Function Displays a menu of all trig functions: sin Calculates the sine. cos-1 Calculates the inverse cosine.
tan Calculates the tangent. Separates a whole number from the fraction in a mixed number. © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers A-6 sin-1 Calculates the inverse sine. cos Calculates the cosine. tan-1 Calculates the inverse tangent. Quick Reference to Keys (Continued) A Key %B @ Function Displays a menu of all trig functions: sin Calculates the sine. cos-1 Calculates the inverse cosine.
General Information
Page 1
...of 4 display mode settings. O N >}RQ Fractional calculations can be a positive integer. You select 2 items: ¦ AËb/c displays mixed number results. ¦ d/e (default) displays fraction results. ¦ Manual (default) displays unsimplified fractions. ¦ Auto displays fraction results simplified... common multiple (lcm) or greatest common divisor (gcd) of the next key pressed. TI.34 × Explorer Plusé Scientific Calculator Copyright © 1999 Texas Instruments General Information Examples: See the last page of these instructions for integer divide result. The...
...of 4 display mode settings. O N >}RQ Fractional calculations can be a positive integer. You select 2 items: ¦ AËb/c displays mixed number results. ¦ d/e (default) displays fraction results. ¦ Manual (default) displays unsimplified fractions. ¦ Auto displays fraction results simplified... common multiple (lcm) or greatest common divisor (gcd) of the next key pressed. TI.34 × Explorer Plusé Scientific Calculator Copyright © 1999 Texas Instruments General Information Examples: See the last page of these instructions for integer divide result. The...