User manual BALTUR EMME 315 TOP-5EL SCHEMA

[. . . ] Note: Using calculators other than the TIN15 may produce results different from those described in these materials. Permission to Reprint or Photocopy Permission is hereby granted to teachers to reprint or photocopy in classroom, workshop, or seminar quantities the pages or sheets in this book that carry a Texas Instruments copyright notice. These pages are designed to be reproduced by teachers for use in classes, workshops, or seminars, provided each copy made shows the copyright notice. Such copies may not be sold, and further distribution is expressly prohibited. Except as authorized above, prior written permission must be obtained from Texas Instruments Incorporated to reproduce or transmit this work or portions thereof in any other form or by any other electronic or mechanical means, including any information storage or retrieval system, unless expressly permitted by federal copyright law. [. . . ] If necessary, have students act out the situation with counters and determine that the value of ???Demonstrate how to display this equation on the calculator, and how to tell the calculator what the value of ?Have students brainstorm situations and related questions that this number sentence could be representing. For example, ?I had some money in my pocket, and I spent 10 cents of it. How much money did I have in my pocket to begin with??Have students practice the keystrokes necessary to display this equation and test the value they determine for ???. Over a period of time, continue to introduce students to different types of number sentences to explore. - 8 < 5 (which has 13 whole number solutions) and ?= 24 (which has 8 solutions of whole number factor pairs) and ?x 4 = 2 (which has no whole number solution). 2000 BALTUR INCORPORATED To display this equation on the calculator, put the calculator in Problem Solving mode by pressing the ?The calculator display (1 SOL) tells how many whole number solutions there are to the equation. Have partners create stories and trade them. Each partner can then write a number sentence to go with the other partner?s story. Have students sort the number sentences they have made into categories: e. g. , those with 0 whole number solutions, those with one whole number solution, those with two whole number solutions, those with infinite whole number solutions. Have students try to find an equation or inequality with exactly 0 whole number solutions, exactly 1 whole number solution, exactly 2 whole number solutions, more than 5 whole number solutions, etc. ? ? 2000 BALTUR INCORPORATED EMME 315 TOP-5EL: A Guide for Teachers 36 What?s the Problem? Name ___________________________ Date ___________________________ Write a number sentence using an operation and the ??? Write a story that describes a situation and asks a question that can be represented by the number sentence. 2000 BALTUR INCORPORATED EMME 315 TOP-5EL: A Guide for Teachers 37 How to Use the TI. 15 Display, Scrolling, Order of Operations, Parentheses Clearing and Correcting Mode Menus Basic Operations Constant Operations Whole Numbers and Decimals Memory Fractions Percent Pi Powers and Square Roots Problem Solving: Auto Mode Problem Solving: Manual Mode Place Value 39 42 45 48 55 63 68 71 80 84 88 94 100 106 2000 BALTUR INCORPORATED EMME 315 TOP-5EL: A Guide for Teachers 38 Display, Scrolling, Order of Operations, and Parentheses 1 Keys Notes 1. The examples on the transparency You can have as many as 8 masters assume all default parentheses at one time. The EOS TM transparency master demonstrates the order in which 3. and " move the cursor left and the EMME 315 TOP-5EL completes calculations. # and $ move the cursor up and down through previous entries and results. ? When using parentheses, if you press before pressing Y, Syn Error is displayed. Operations inside parentheses are performed first. Use X or Y to change the order of operations and, therefore, change the result. Example: 1 + 2 x 3 = 7 (1 + 2) x 3 = 9 ? ? 3 The first and second lines display entries up to 11 characters plus a decimal point, a negative sign, and a 2-digit positive or negative exponent. [. . . ] Previous entries are stored in history, or more menus are available. Press $ and # to access additional menu lists. and " to scroll and select from a menu. You must press to complete the selection process. 2000 BALTUR INCORPORATED EMME 315 TOP-5EL: A Guide for Teachers B-1 Error Messages Message Arith Error Syn Error P 0 Error Op Error Overflow Error Underflow Error C Meaning Arithmetical error. [. . . ]