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EL - W535B Calculator Teaching Activities For The Classroom Jeremy Ross.
Copyright © 2008 by Sharp Electronics Corpora tion. All rights reserved. This publication may not be reproduced, stored in a retrieval sy stem, or transmitted in any form or by any means, electronic, mechanical, photocopy ing, recording, or otherwise without written permission.
Table of Contents Calculator Layout Special Functions Examples Using the Sharp EL-W535B Calculator TEACHING ACTIVITIES FOR THE CLASSROOM BASIC ARITHMETIC Calculator Activity Practice Activity FRACTION.
1 VARIABLE STATISTICS Calculator Activity Practice Activity 2 VARIABLE STATISTICS & LINEAR REGRESSION Calculator Activity Practice Activity ANSWERS 35 36 37 38 39.
1.
S pecial Func tions of the Sharp EL - W 535B Calculator Modes. This calculator has three modes . NORMAL, STAT, and DRILL mode. To access these modes press followed by for NORMAL, for STAT, and for DRILL. Degrees. The EL - W 535 B can be set t o degrees, radians, or grads .
Pi. Press . Degrees - Minutes - Second s. Enter the deg rees. Press . Enter the minutes. Press . Enter the seconds. P ress . Press to convert to decimal degrees . Exponen ts. Enter the base. Press . Enter the e xponent. Press .
Scientific Nota tion. Enter the number . P ress . Enter the pow er. Then press . Euler’s Number. To enter e press followed by . Fractions. Enter the numerator. Press . Enter the den ominator. Then press . Mixed Numbers.
to rectangular coordinate s enter your r - value. Press . Then enter y our theta. Press . Factorial. Enter the number. Press followed by . Then press . Combinations. Enter the larger number. Press . Enter the smaller number. Then press .
Examples: Please refer to the following examples and the key strokes required to enter each problem. From these simple examples more complica ted expressions can be easily entered.
Using the Sharp EL - W535B Calculator GETTING ST A RTED The National Council of Teachers of Mathe matics and many other organiz ations with a commitment to the mathe matics education of our youth have all given their support to the ongoing and appropria te use of calculators.
TEACHING ACTIVITIES FOR THE C LASSROOM The Sharp EL - W 535B w as des igned with y ou and you r students in mind. The following activities have been written to provide the practic e students need to succeed in mathematics, as they become familiar with the w onderful features of this exciting and pow erful mathematical tool.
Calculator Acti vity BASIC ARITHMETIC OBJECTI VE: To perform basic operations by developing a sequence o f numbers. Performing a specified operation repeatedly can gen erate a sequence o f numbers. For example, if you start with the number 4 and add 2 repeatedly y ou will generate the sequence 10 , 8 , 6 , 4 1.
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ BASIC ARITHMETIC Use your EL - W 535B to develop a series of sequences. 1. Find the first seven numbers of the sequence starting with – 3 where each additional term i s found by adding 4.
Calculator Acti vity FR A CTIO NS OBJECTI VE: To perform basic operations with fracti ons. 1. Simplify 8 3 7 1 STEP 1: Enter 7 1 by pressing . STEP 2: Add by pressing . STEP 3: Enter 8 3 by pressing . STEP 4: Find th e sum by pressing . 2. Simplify 13 5 2 1 .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ FR A CTIO NS Perform the ind icated operat ions with fractions using y our EL - W 535B.
Calculator Acti vity POWERS AND ROO TS OBJECTI VE: To perform bas ic operations w ith pow ers and roots. 1. Calculate 3 2 3 STEP 1: Enter 2 3 by pressing . STEP 2: Cube it by pr essing . STEP 3: Calculate the answer by pr essing . 2. Calculate 6 5 ) 3 ( .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ POWERS AND ROO TS Use your EL - W 535B to perform the indicated oper ations with the following equations that contain powe rs and roots. 1. Simplify 2 2 2 2 2 5 4 3 2 1 ________ _____ ________ ______ _ 2.
Calculator Acti vity PARENTHE SES A ND EDITING OBJECTI VE: To perform basic operations with parentheses b y finding the volume of a sphere, by recal ling the expressions, and ed iting them to perform a new calculation. The volume of a sphere is defined to be Volume 3 3 4 r , where r is the radius of the sphere.
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ PARENTHE SE S A ND EDITING Use your EL - W 535B and the formula to find the volume of a sphere. Recall and e dit previous equa tion to prevent typing the w hole expression ove r and ove r again.
Calculator Acti vity A NGL E C ONVERSION S OBJECTI VE: To make angle conversions by fi nding the missing a ngle of a po lygo n. Angles can be expressed in degrees, radians and grads. Degrees can be expressed in either decimal degrees or degrees - minutes - seconds.
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ A NGL E C ONV ERSIONS The sum of the angles in degrees of an n - side pol ygon is 180(n - 2). Remember 180 radians 200 grads. Before inputting an angle for conversion press and then choose the correspond ing angular units.
Calculator Acti vity TRIGONOMETR IC FUNCTIONS OBJECTI VE: To find the distance between points by using trigonometric functions. The law of sines and the law of c osines can he lp determine the sides and angles of triangles. The law of sines is as foll ows sin sin sin c b a .
NAME _____ ______ ______ _____ _______ _____________ _ DATE______ __________ TRIGONOMETR IC FUNCTIONS Use your EL - W 535B toge ther with the law of sines and the law of c osines to find the distance of the missing side The law of sines is sin sin sin c b a .
Calculator Acti vity INVERSE TRIGONOMETRIC F UNCTIONS OBJECTI VE: To perform operations w ith inverse trigonometric functions. 1. Find in degrees when 1 tan STEP 1: Set t he angular units to degrees by pre ssing . STEP 2: Enter ) 1 ( tan 1 by pressing .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ INVERSE TRIGONM ETRIC FUNCTION S Use your EL - W 535B and the law of sines and the law of cosines to find the missing angle. The law of sines is sin sin sin c b a .
Calculator Acti vity COORDIN A TE CONVERSION S OBJECTI VE: To convert from polar coordinates to rectangular coord inates and vice versa. A point on a ci rcle can be described w ith rectangular coordin.
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ COORDIN A TE CONVERSION S A point on a ci rcle can be described w ith rectangular coordinates ) , ( y x or polar coordinate s ) , ( r , where r is t he radius o f th e circle and is the angle co unter clockwise for t he positive x - axis.
Calculator Acti vity LOGARITHMS OBJECTI VE: To get a basic understanding o f logarithms base 10, base e , and other bases by solving equations. 1. Find 1000 log . STEP 1: Enter log b y pressing . STEP 2: Enter 1 000 by pressing . STEP 3: Calcula te the answer by pressing .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ LOGARITHMS Use your EL - W 535B to solve to following equations for the unknow n. 1. Solve for x . 123 log 2 5 x ________ _____ ________ 2. Solve for y . ) 3 ln 1 ( 5 21 y ________ _____ ________ 3.
Calculator Acti vity INVERSE LOG ARITHMS OBJECTI VE: To perform antilogarith mic operations. 1. Calculate 3 2 10 STEP 1: Enter 10^ b y pressing . STEP 2: Enter 3 2 by pressing . STEP 3: Calculate the answer by pr essing . 2. Find 3 6 10 in scientific notation with three signi ficant figures.
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ INVERSE LOG ARITHMS Use your EL - W 535B to solve the following equations for the given unknown. 1. Solve for x . 2 * 6 5 10 2 x ________ _____ ________ 2. Solve for y .
Calculator Acti vity BASE CONVER SIONS OBJECTI VE: To convert to and from binary , decimal, hexadeci mal, octadecimal, and pentadecimal base sy stems. Before converting press followed by eith er , , , , . 1. Convert the binary number 10011001 to decima l.
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ BASE CONVER SIONS Use your EL - W 535B to convert to and from binary, decimal, hexadeci mal, octadecimal, and pentad ecimal base systems. Before converting make sure you are in the right base system by pressing f ollowed by either , , , , .
Calculator Acti vity RANDOM NUMB ERS, DIE, COI NS, A ND I NTEGERS OBEJCTI VE: To generate random numbers , dice throws, coin tosses, and integers. 1. Generate 4 random numbers. STEP 1: Press . STEP 2: To genera te random numbers press . STEP 3: Generate the fir st random number by pressing .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ RANDOM NU MBERS, DI E, COINS, A ND I NTEGERS Use your EL - W 535B to help generated a sequenc e of r andom number s, dice, coins, and integers. 1. Generate a sequence of 4 random integers .
Calculator Acti vity PROB A BILI TY OBJECTI VE: To get a bas ic understanding factorials, combina tions, and permutat ions. A combination is used when order does not matter. A permutation is used when order does m atter. 1. Find ! 10 . STEP 1: Enter ! 10 by pressing .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ PROB A BILI TY Use your EL - W 535B to f ind the f ollowing number of c omb inations and permutations and to evaluate factorials . 1. How m any g roups or 4 can be formed from a c lass of 10 w here order does not matter? ________ _____ ________ ______ _ 2.
Calculator Acti vity 1 VARI A BLE STATIS TICS OBJECTI VE: To perform 1 variable statis tics. 1. Analyz e the set 50 , 35 , 35 , 25 , 15 using 1 variable statistics. STEP 1: Set t he calculato r to single v ariable stati stics b y pressing . STEP 2: Enter 15 by pressi ng .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ __ ________ 1 VARI A BLE STATIS TICS Use your EL - W 535B to analyz e the f ollowing sets using 1 variable statistics.
Calculator Acti vity 2 VARI A BLE STATISTICS & LINE AR REGR ESSION OBJECTI VE: To perform 2 variable statistics and run a linear regression Analyze the d ata set usi ng 2 variable statistics and p erform a linea r regression . X 1 1 2 3 10 Y 2 2 4 7 10 STEP 1: Set t he calculato r to 2 v ariable statistics by pressing .
NAME _____ ______ ______ _____ ________ ______ _______ DAT E______ ______ ____ 2 VARI A BLE STATISTICS & LINE AR REGR ESSION Use your EL - W 535B to analyz e the f ollowing sets using 2 variable statistics and t o perform a li near regression. 1. Analyze the s et and run a l inear regression.
ANSWERS Basic Arithmetic p. 9: 1. 67, 80 2. 23 3. – 10, - 50, - 250 p. 10: 1. 21 , 17 , 13 , 9 , 5 , 1 , 3 2. 5 , 4 , 3 , 2 3. 18 , 15 , 12 , 9 , 6 4. 36 , 72 , 144 5. , 243 , 729 3 , 9 , 27 , 81 6. 2025 , 45 , 1 7. 60 , 70 , 80 , 90 , 100 8.
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