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EL-W535B Calculator
Teaching Activities
For The Classroom
Jeremy Ross
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Copyright © 2008 by Sharp Electronics Corporation. All rights reserved. This publication may not be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise without written permission. Sharp is a registered trademark of Sharp Corporation.
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Table of Contents Calculator Layout 1 Special Functions 2 Examples 6 Using the Sharp EL-W535B Calculator 7 TEACHING ACTIVITIES FOR THE CLASSROOM 8 BASIC ARITHMETIC Calculator Activity 9 Practice Activity 10 FRACTIONS Calculator Activity 11 Practice Activity 12 POWERS AND ROOTS Calculator Activity 13 Practice Activity 14 PARENTHESES AND EDITING Calculator Activity 15 Practice Activity 16 ANGLE CONVERSIONS Calculator Activity 17 Practice Activity 18 TRIGONOMETRIC FUNCTIONS Calculator Activity 19
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1 VARIABLE STATISTICS Calculator Activity 35 Practice Activity 36 2 VARIABLE STATISTICS & LINEAR REGRESSION Calculator Activity 37 Practice Activity 38 ANSWERS 39
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Special Functions of the Sharp EL-W535B 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-W535B can be set to degrees, radians, or grads. Press and enter for DRG. Then press for degrees, for radians, and for grads. Display. There are five display notation systems. To set the number of decimals places press for FSE. For fixed decimal type and then choose your TAB
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Pi. Press . Degrees-Minutes-Seconds. Enter the degrees. Press . Enter the minutes. Press . Enter the seconds. Press . Press to convert to decimal degrees. Exponents. Enter the base. Press . Enter the exponent. Press . Square roots. Press . Enter the radicand. Then press . Squares. Enter the number to be squared. Press . Then press . Base 10 Logarithms. Press . Enter the number. Then press . Base e Logarithms. Press . Enter the number. Then press . Base Logarithms.
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Scientific Notation. Enter the number. Press . Enter the power. Then press . Euler’s Number. To enter e press followed by . Fractions. Enter the numerator. Press . Enter the denominator. Then press . Mixed Numbers. Enter the whole number. Press . Enter the numerator. Press . Enter the denominator. Then press . Memory. The calculator has 9 memories. Memory calculations can be performed in NORMAL and STAT modes. Enter the value to be stored. Press . Press the location you wish
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to rectangular coordinates enter your r-value. Press . Then enter your theta. Press . Factorial. Enter the number. Press followed by . Then press . Combinations. Enter the larger number. Press . Enter the smaller number. Then press . Permutations. Enter the larger number. Press followed by . Enter the smaller number. Then press . Signed Numbers. Enter . Enter the number. Absolute Value. Press . Enter the expression. Press . Binary. To convert from one of the supported bas
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Examples: Please refer to the following examples and the keystrokes required to enter each problem. From these simple examples more complicated expressions can be easily entered. 1 9 2 3 1 2 4 3 3 17 2 2 3 4 1 2 3 153 33% log10 ln e log 4 2 3 2 10 e sin 30 1 cos 0 tanh 78 3! 10C5 6P1 6
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Using the Sharp EL-W535B Calculator GETTING STARTED The National Council of Teachers of Mathematics and many other organizations with a commitment to the mathematics education of our youth have all given their support to the ongoing and appropriate use of calculators. In this document, convincing arguments for the ongoing use of calculators to enhance the mathematical capabilities of students at all grade levels are presented as well as a description of the features expected to be available on c
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TEACHING ACTIVITIES FOR THE CLASSROOM The Sharp EL-W535B was designed with you and your students in mind. The following activities have been written to provide the practice students need to succeed in mathematics, as they become familiar with the wonderful features of this exciting and powerful mathematical tool. 8
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Calculator Activity BASIC ARITHMETIC OBJECTIVE: To perform basic operations by developing a sequence of numbers. Performing a specified operation repeatedly can generate a sequence of numbers. For example, if you start with the number 4 and add 2 repeatedly you will generate the sequence 4,6,8,10 1. Add 13 to 54 twice: STEP 1: Enter 13 by pressing . STEP 2: Add by pressing . STEP 3: Enter 54 by pressing . STEP 4: Find the first sum by pressing . STEP 5: Add 13 again by pressing . 2. Subtract 9
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NAME ___________________________________________ DATE________________ BASIC ARITHMETIC Use your EL-W535B to develop a series of sequences. 1. Find the first seven numbers of the sequence starting with –3 where each additional term is found by adding 4. -3, ___, ___, ___, ___, ___, ___, … 2. Find the first four numbers of the sequence starting with 2 where each additional term is found by adding 1. 2, ___, ___, ___, … 3. Find the first five numbers of the sequence starting with 6 where each addit
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Calculator Activity FRACTIONS OBJECTIVE: To perform basic operations with fractions. 1 3 1. Simplify 7 8 1 STEP 1: Enter by pressing . 7 STEP 2: Add by pressing . 3 STEP 3: Enter by pressing . 8 STEP 4: Find the sum by pressing . 1 5 2. Simplify . Then convert to a decimal 2 13 1 STEP 1: Enter by pressing . 2 STEP 2: Subtract by pressing . 5 STEP 3: Enter by pressing . 13 STEP 4: Find the difference by pressing . STEP 5: Convert to a decimal by pressing . 3 2 3. Simplify 1 6 . Then convert
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NAME ___________________________________________ DATE________________ FRACTIONS Perform the indicated operations with fractions using your EL-W535B. 1 1 1 1. Find the arithmetic mean of the following fractions , , . 2 4 16 2. Find the arithmetic mean of the following fractions and convert to a 1 2 3 4 5 decimal , , , , . 8 9 10 11 12 1 6 1 3. Simplify 1 9 . 20 7 5 1 3 5 7 4. Simplify . 2 4 6 8 1 1 1 1 5. Simplify 1 1 . 2 3 2 3 4 5 1 6 1 6 6. Simplify 3 and convert to
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Calculator Activity POWERS AND ROOTS OBJECTIVE: To perform basic operations with powers and roots. 3 2 1. Calculate 3 2 STEP 1: Enter 3 by pressing . STEP 2: Cube it by pressing . STEP 3: Calculate the answer by pressing . 6 5 2. Calculate ( 3) . 5 STEP 1: Enter 3 by pressing . th STEP 2: Raise the expression to the 6 power by pressing . STEP 3: Calculate the answer by pressing . 3 1 3. Calculate 5 3 STEP 1: Enter by pressing . 1 STEP 2: Enter 5 by pressing . STEP 3: Calculate the answer by pr
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NAME ___________________________________________ DATE________________ POWERS AND ROOTS Use your EL-W535B to perform the indicated operations with the following equations that contain powers and roots. 2 2 2 2 2 1. Simplify 1 2 3 4 5 ____________________________ 2. Simplify 1 2 3 4 5 ____________________________ 2 2 2 3. Is ( 3 7) 3 7 ? Explain your answer. ____________________________ ____________________________ ____________________________ 3 3 4. Simplify 2 ______________
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Calculator Activity PARENTHESES AND EDITING OBJECTIVE: To perform basic operations with parentheses by finding the volume of a sphere, by recalling the expressions, and editing them to perform a new calculation. 4 3 The volume of a sphere is defined to be Volume r , where r is the 3 radius of the sphere. 1. Given the radius is 2 find the volume of the sphere. 4 STEP 1: Enter by pressing . 3 STEP 2: Insert the pi symbol by pressing . STEP 3: Enter 2 by pressing . STEP 4: Raise 2 to
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NAME ___________________________________________ DATE________________ PARENTHESES AND EDITING Use your EL-W535B and the formula to find the volume of a sphere. Recall and edit previous equation to prevent typing the whole expression over and over again. 4 3 Volume r 3 1. Find the volume of the sphere whose radius is 6. ____________________________ 2. Find the volume of the sphere whose radius is 5. ____________________________ 3. Find the volume of the sphere whose radius is 9. ______________
