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Victor 900 manual

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Table of contents for the manual

  • Page 1

    1 V ictor 900 Calculator T eacher ’ s Guide[...]

  • Page 2

    Lesson 1: Learning the Victor 900 Calculator Victor 900 Calculator Teacher’s Guide 2 TEACHER’S GUIDE Lesson 1: Learning the Victor 900 Calculator Overview Familiarize st udents with the calculator. Teacher Materials “Learning the Vict or 900 Calculator” transparency, red transparency markers. Student Materials Pencil, red cr ayons, “Victo[...]

  • Page 3

    Lesson 1: Learning the Victor 900 Calculator Victor 900 Calculator Teacher’s Guide 3 TRANSPARENCY Learning the Victor 900 Calculator 900 AntiMicrobial 2 3 1 4[...]

  • Page 4

    Lesson 1: Learning the Victor 900 Calculator Victor 900 Calculator Teacher’s Guide 4 TRANSPARENCY Victor 900 Calculator 900 0 = X + ON/AC % ÷ M+ 1 2 3 4 5 6 7 8 9 CE MRC M- AntiMicrobial[...]

  • Page 5

    Lesson 1: Learning the Victor 900 Calculator Victor 900 Calculator Teacher’s Guide 5 STUDENT WORKSHEET Learning the Victor 900 Calculator 2 3 1 4 900 AntiMicrobial[...]

  • Page 6

    Lesson 2: Using the Victor 900 Calculator Victor 900 Calculator Teacher’s Guide 6 TEACHER’S GUIDE Lesson 2: Using the V ictor 900 Calculator Overview Use the calculator to enter and view numbers. Teacher Materials “Victor 900 Calculator” transparency. Student Materials Calculator, “Calcula tor Battle” worksheet, “Calculator Battle Sco[...]

  • Page 7

    Lesson 2: Using the Victor 900 Calculator Victor 900 Calculator Teacher’s Guide 7 STUDENT WORKSHEET Calculator Battle 2 5 1 7 6 9 8 4 3[...]

  • Page 8

    Lesson 2: Using the Victor 900 Calculator Victor 900 Calculator Teacher’s Guide 8 STUDENT WORKSHEET Calculator Battle Score Sheet Student A Name: Student B Name: Hits Hits[...]

  • Page 9

    Lesson 3: Addition Victor 900 Calculator Teacher’s Guide 9 TEACHER’S GUIDE Lesson 3: Addition Overview Use the calculator to add numbers. Teacher Materials “Addition” a nd “Correcting Wrong Entries” transparencies. Student Materials Pencil, Calculator, and “Calculator Connections” worksheet. Keys Introduced +, CE Teaching Notes Disp[...]

  • Page 10

    Lesson 3: Addition Victor 900 Calculator Teacher’s Guide 10 TRANSPARENCY Addition 1 + 2 = ? 1 + 3 + 5 = ? Press these buttons: The calculator shows: . ON/AC . 0. 1 + . 1. 2 . 2. = . 3. ----------------------------- ------------------------------ . ON/AC . 0. 1 + . 1. 3 . 3. + . 4. 5 . 5. = . 9.[...]

  • Page 11

    Lesson 3: Addition Victor 900 Calculator Teacher’s Guide 11 TRANSPARENCY Correcting W r ong Entries 6 + 3 = ? Press these buttons: The calculator shows: . ON/AC . 0. 6 + . 6. 2 . 2. . CE . 0. 3 . 3. = . 9.[...]

  • Page 12

    Lesson 3: Addition Victor 900 Calculator Teacher’s Guide 12 STUDENT WORKSHEET Calculator Connections Add the numbers in the boxes on the left side of the page. Draw a line to the box on the right side with the correct answer. 34 + 41 76 13 + 12 93 1 + 19 75 72 + 21 77 67 + 9 33 47 + 33 80 3 + 74 25 11 + 22 20[...]

  • Page 13

    Lesson 4: Subtraction Victor 900 Calculator Teacher’s Guide 13 TEACHER’S GUIDE Lesson 4: Subtraction Overview Use the calculator to subtract numbers. Teacher Materials “Subtraction” transparency. Student Materials Pencil, Calculat or, and “Calculator Connections II”, and “Big Number Math” worksheets. Keys Introduced - (minus key) Te[...]

  • Page 14

    Lesson 4: Subtraction Victor 900 Calculator Teacher’s Guide 14 TRANSPARENCY Subtraction 9 - 5 = ? 8 - 1 - 2 = ? Press these buttons: The calculator shows: . ON/C . 0. 9 - . 9. 5 . 5. = . 4. ----------------------------- ------------------------------ . ON/C . 0. 8 - . 8. 1 . 1. - . 7. 2 . 2. = . 5.[...]

  • Page 15

    Lesson 4: Subtraction Victor 900 Calculator Teacher’s Guide 15 STUDENT WORKSHEET Calculator Connections II Subtract the numbers in the boxes on the left side of the page. Draw a line to the box on the right side with the correct answer. 186 - 22 121 54 - 51 88 99 - 11 164 222 - 11 211 677 - 556 3 69 - 42 27 32 - 18 26 55 - 29 14[...]

  • Page 16

    Lesson 4: Subtraction Victor 900 Calculator Teacher’s Guide 16 STUDENT WORKSHEET Big Number Math Use your calculator to subtract the big numbers in the boxes and write down the answers. Circle the biggest answer. 72,456 -51,432 98,744 -10,221 189,456 -10,432 5,687 -3,216 984,300 -213,498 676,345 -99,999 780,780 -175,175 54,893 -55,221[...]

  • Page 17

    Lesson 5: Repetitive S ubtraction and Addition Victor 900 Calculator Teacher’s Guide 17 TEACHER’S GUIDE Lesson 5: Repetitive Subtraction and Addition Overview Use the calculator to subtract or add repetitive numbers using the constant function. Teacher Materials “Repetitive Subtraction and Addition” and “Fastest Fingers” transparencies.[...]

  • Page 18

    Lesson 5: Repetitive S ubtraction and Addition Victor 900 Calculator Teacher’s Guide 18 TRANSPARENCY Repetitive Subtraction and Addition 15 - 3 - 3 - 3 = ? 6 + 2 + 2 + 2 = ? Press these buttons: The calculator shows: . ON/AC . 0. 15 - . 15. 3 . = . 12. = . 9. = . 6. ----------------------------- ------------------------------ . ON/AC . 0. 6 + . 6[...]

  • Page 19

    Lesson 5: Repetitive S ubtraction and Addition Victor 900 Calculator Teacher’s Guide 19 TRANSPARENCY Fast Fingers Enter 500 + 5 = on your calculator . When the teacher says “Go” add one to your calculator as many times as you can until the teacher says “stop”. The student with the largest number has the fastest fingers. Winning tot al: __[...]

  • Page 20

    Lesson 5: Repetitive S ubtraction and Addition Victor 900 Calculator Teacher’s Guide 20 STUDENT WORKSHEET Const ant Calculations Use the = . key to work these constant calculations. 1. 94 – 6 – 6 – 6 = ________ 2. 945 + 12 + 12 + 12 = ________ 3. 543 – 10 – 10 – 10 – 10 = ________ 4. 345 + 22 + 22 + 22 + 22 = ________ 5. 27 – 3 ?[...]

  • Page 21

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 21 TEACHER’S GUIDE Lesson 6: Multiplication Overview Use the calculator to multiply numbers. Teacher Materials “Multiplication” and “Multiplication Mountain Answer Key”, “Multiplying Multiple Numbers”, and “Repetitive Multiplication” transparencies. Student Materials[...]

  • Page 22

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 22 TRANSPARENCY Multiplication 6 X 8 = ? 43 X 5 = ? Press these buttons: The calculator shows: . ON/AC . 0. 6 X . 6. 8 . 8. = . 48. ----------------------------- ------------------------------ . ON/AC . 0. 43 X . 43. 5 . 5. = . 215.[...]

  • Page 23

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 23 STUDENT WORKSHEET Multiplication Mount ain 78 69 51 0 41 1 31 2 21 3 11 4 Across Down 1 10 X 10 = __________ 2 5 X 4 = __________ 2 6 X 4 = __________ 3 47 X 20 = __________ 3 3 X 3,201 = ____ ______ 4 19 X 4 = __________ 4 25 X 3,161, 825 = __________ 5 16 X 1,193 = _____ _____ 5 [...]

  • Page 24

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 24 TRANSPARENCY Multiplication Mount ain Answer Key 99 2688 143676 79045625 9603 8547 24 8 7 72 1 0 08 57 6 0[...]

  • Page 25

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 25 TRANSPARENCY Multiplying Multiple Numbers 6 X 8 X 2 = ? Press these buttons: The calculator shows: . ON/AC . 0. 6 X . 6. 8 . 8. X . 48. 2 . 2. = . 96.[...]

  • Page 26

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 26 TRANSPARENCY Repetitive Multiplication 4 X 2 = ? 4 X 4 = ? 4 X 6 = ? 4 X 8 = ? Press these buttons: The calculator shows: . ON/AC . 0. 4 X . 4. 2 . 2. = . 8. 4 . 4. = . 16. 6 . 6. = . 24. 8 . 8. = . 32.[...]

  • Page 27

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 27 STUDENT WORKSHEET Multiplication Calculator Battle 12 51 17 23 48 9 37 38 39 65 42 15[...]

  • Page 28

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 28 STUDENT WORKSHEET Multiplication Calculator Battle Score Sheet Student A Name: Student B Name: Hits Hits[...]

  • Page 29

    Lesson 6: Multiplication Victor 900 Calculator Teacher’s Guide 29 STUDENT WORKSHEET Calculator Connections III Multiply the numbers in the boxes on the left side of the page. Draw a line to the box on the right side with the correct answer. 32 X 4 160 12 X 35 627 8 X 20 128 57 X 11 144 72 X 2 420 81 X 4 2,816 110 X 5 324 64 X 44 550[...]

  • Page 30

    Lesson 7: Division Victor 900 Calculator Teacher’s Guide 30 TEACHER’S GUIDE Lesson 7: Division Overview Use the calculator to divide numbers. Teacher Materials “Two Methods for Writing Division Problems”, “Division”, and “Repetitive Div ision“ transparencies. Student Materials Pencil, Calculator , and “Calculator Connections IV”[...]

  • Page 31

    Lesson 7: Division Victor 900 Calculator Teacher’s Guide 31 TRANSPARENCY T wo Methods for W riting Division Problems 48 ÷ 6 = 8 Divisor Dividend Quotient Calculator Method Divisor 48 6 8 ) Dividend Quotient Hand Written Method[...]

  • Page 32

    Lesson 7: Division Victor 900 Calculator Teacher’s Guide 32 TRANSPARENCY Division 48 ÷ 6 = ? 81 ÷ 3 = ? Press these buttons: The calculator shows: . ON/AC . 0. 48 ÷ . 48. 6 . 6. = . 8. ----------------------------- ------------------------------ . ON/AC . 0. 81 ÷ . 81. 3 . 3. = . 27.[...]

  • Page 33

    Lesson 7: Division Victor 900 Calculator Teacher’s Guide 33 TRANSPARENCY Repetitive Division 100 ÷ 4 = ? 40 ÷ 4 = ? 88 ÷ 4 = ? 52 ÷ 4 = ? Press these buttons: The calculator shows: . ON/AC . 0. 100 ÷ . 100. 4 . 4. = . 25. 40 . 40. = . 10. 88 . 88. = . 22. 52 . 52. = . 13.[...]

  • Page 34

    Lesson 7: Division Victor 900 Calculator Teacher’s Guide 34 STUDENT WORKSHEET Calculator Connections IV Divide the numbers in the boxes on the left side of the page. Draw a line to the box on the right side with the correct answer. 125 ÷ 25 100 49 ÷ 7 6 1000 ÷10 5 66 ÷ 11 7 72 ÷ 2 36 888 ÷ 4 110 550 ÷ 5 222 147 ÷ 21 7[...]

  • Page 35

    Lesson 8: Division with Remainders Victor 900 Calculator Teacher’s Guide 35 TEACHER’S GUIDE Lesson 8: Division with Remainders Overview Use the calculator to divide numbers with remainders. Teacher Materials “Two Methods fo r Writing Division with Remainders”, “Division with Remainders ”, “Repetitive Division with Remainders”, and ?[...]

  • Page 36

    Lesson 8: Division with Remainders Victor 900 Calculator Teacher’s Guide 36 TRANSPARENCY T wo Methods for W riting Division with Remainder Problems 48 ÷ 5 = 9.6 Divisor Dividen d Q uotient Calculator Method Divisor 48 5 9.6 ) Dividen d Q uotient Hand Written Remainder Remainder[...]

  • Page 37

    Lesson 8: Division with Remainders Victor 900 Calculator Teacher’s Guide 37 TRANSPARENCY Division with Remainders 48 ÷ 5 = ? 74 ÷ 6 = ? Press these buttons: The calculator shows: . ON/AC . 0. 48 ÷ . 48. 5 . 5. = . 9.6 ----------------------------- ------------------------------ . ON/AC . 0. 74 ÷ . 74. 6 . 6. = . 12.3333333[...]

  • Page 38

    Lesson 8: Division with Remainders Victor 900 Calculator Teacher’s Guide 38 TRANSPARENCY Repetitive Division with Remainders 100 ÷ 6 = ? 40 ÷ 6 = ? 88 ÷ 6 = ? 52 ÷ 6 = ? Press these buttons: The calculator shows: . ON/AC . 0. 100 ÷ . 100. 6 . 6. = . 16.666666 40 . 40. = . 6.6666666 88 . 88. = . 14.666666 52 . 52. = . 8.6666666[...]

  • Page 39

    Lesson 8: Division with Remainders Victor 900 Calculator Teacher’s Guide 39 TRANSPARENCY Calculating the Remainder 76 ÷ 8 = ? Press these buttons: The calculator shows: . ON/AC . 0. 76 ÷ . 76. 8 . 8. = . 9.5 ----------------------------- ------------------------------ 9 X . 9 8 . 8. = . 72 ----------------------------- -------------------------[...]

  • Page 40

    Lesson 8: Division with Remainders Victor 900 Calculator Teacher’s Guide 40 STUDENT WORKSHEET Calculator Connections V Divide the numbers in the boxes on the left side of the page. Draw a line to the box on the right side with the correct answer. 164 ÷ 5 36.571428 32 ÷ 9 8.8846153 256 ÷7 12.75 23 ÷ 12 3.5555555 231 ÷ 26 2.5 20 ÷ 8 32.8 51 ?[...]

  • Page 41

    Lesson 9: Decimals Victor 900 Calculator Teacher’s Guide 41 TEACHER’S GUIDE Lesson 9: Decimals Overview Use the calculator to add and subtract numbers with decimals. Teacher Materials “Decimals” transparency Student Materials Pencil, Calculat or, “Calculator Connections VI” worksheet, “Estimation Expl oration” worksheet, and “I Lo[...]

  • Page 42

    Lesson 9: Decimals Victor 900 Calculator Teacher’s Guide 42 TRANSPARENCY Decimals 2.5 + 5.3 = ? 7.4 - 6.1 = ? Press these buttons: The calculator shows: . ON/AC . 0. 2.5 + . 2.5 5.3 . 5.3 = . 7.8 ----------------------------- ------------------------------ . ON/AC . 0. 7.4 - . 7.4. 6.1 . 6.1 = . 1.3[...]

  • Page 43

    Lesson 9: Decimals Victor 900 Calculator Teacher’s Guide 43 STUDENT WORKSHEET Calculator Connections VI Add the Decimals in the boxes on the left side of the page. Draw a line to the box on the right side with the correct answer. 16.4 + 5.3 1.5 3.2 - 1.7 3.5 2.5 +7.1 21.7 2.3 + 1.2 20.5 23.1 - 2.6 13.8 9.7 + 4.1 12.5 5.1 - 1.4 9.6 14.7 - 2.2 3.7[...]

  • Page 44

    Lesson 9: Decimals Victor 900 Calculator Teacher’s Guide 44 STUDENT WORKSHEET I Love Decimals Estimate the answer for the math problems then use your calculator to check the answers. Write your es timates in the left arc of the hearts and the calcul ator answers in the right arcs. Example: Estimate 8.0 8.1 Calculator 5.7 + 2.4 = 4.5 + 6.7 = 3.8 -[...]

  • Page 45

    Lesson 10: Memory Victor 900 Calculator Teacher’s Guide 45 TEACHER’S GUIDE Lesson 10: Memory Overview Use the calculator to add and subtract numbers and store the numbers in t he calculator’s memory Teacher Materials “Calcu lator Memory”, “Adding Products with Memory”, and “Find the Total Cost Using Memory”, transparencies. Studen[...]

  • Page 46

    Lesson 10: Memory Victor 900 Calculator Teacher’s Guide 46 TRANSPARENCY Calculator Memory M+ . Adds the displayed number to the memory of the calculator M- . Subtracts the displayed number from the memory of the calculator MRC . Recalls and displays the number in memory MRC . MRC . Clears the memory[...]

  • Page 47

    Lesson 10: Memory Victor 900 Calculator Teacher’s Guide 47 TRANSPARENCY Adding Product s with Memory What is the total of the three equations below? 2 x .86 = ? 3 x 1.49 = ? 4 x .52 = ? Press these buttons: The calculator shows: ON/AC MRC MRC ON/AC 0. 2 x . 99 = . 1.98 M+ . MEMORY 1.98 3 x . 1 . 49 = . MEMORY 4.47 . M+ . MEMORY 4.47. 4 x . . 52 =[...]

  • Page 48

    Lesson 10: Memory Victor 900 Calculator Teacher’s Guide 48 TRANSPARENCY Find the T ot a l Cost Using Memory 3 $5 Items 6 $2 Items $13 Discount = ? Press these buttons: The calculator shows: ON/AC MRC MRC ON/AC 0. 3 x 5 = 15. M+ . MEMORY 15 6 x 2 = MEMORY 12 M+ . MEMORY 12 MRC . MEMORY 27 - . 13 = MEMORY 14[...]

  • Page 49

    Lesson 10: Memory Victor 900 Calculator Teacher’s Guide 49 STUDENT WORKSHEET Million Memory Magic Use the Memory function to quickly divide 1,000,000 by 1 through 10. Enter 1,000,000 into memory. Use the MRC key to recall the 1,000,000 value instead of re-entering 1,000,000 for each equation. 1,000,000 ÷ 1 ═ 1,000,000 ÷ 2 ═ 1,000,000 ÷ 3 ?[...]

  • Page 50

    Lesson 11: Percents Victor 900 Calculator Teacher’s Guide 50 TEACHER’S GUIDE Lesson 1 1: Percents Overview Use the calculator for si tuations involving sales taxes, discounts, or other percent problems. Teacher Materials “Percents” and “More Percents” transparencies. Student Materials Pencil, Calculat or, and ”Would You Like To Own an[...]

  • Page 51

    Lesson 11: Percents Victor 900 Calculator Teacher’s Guide 51 TRANSPARENCY Percent s $3.70 - 12% discount =? $7.50 + 6% sales tax= ? Press these buttons: The calculator shows: ON/AC ON/AC 0. 3.70 – 3.70 12 % 3.256 ------------------------------ ------- ---------------------------- 7.50 + 7.50 6 . % 7.95[...]

  • Page 52

    Lesson 11: Percents Victor 900 Calculator Teacher’s Guide 52 TRANSPARENCY More Percent s $4.90 - 15% discount=? $8.20 + 7% sales tax Press these buttons: The calculator shows: ON/AC ON/AC 0. 4.90 - 4.90 15 . % . 4.165 ------------------------------- ------------------------------------ 8.20 + 8.20 7 . % . 8.774[...]

  • Page 53

    Lesson 11: Percents Victor 900 Calculator Teacher’s Guide 53 STUDENT WORKSHEET Would you like to own an Amusement Park? Decide what rides to offer and set the ticket price for each ride. Offer a 10% discount. Use 5% for the Tax rate and calculate the final price. ___________________’s Park Name of Ride Twister Original Cost of Ride $10.00 % dis[...]

  • Page 54

    Lesson 12: Interest Victor 900 Calculator Teacher’s Guide 54 TEACHER’S GUIDE Lesson 12: Interest Overview Use the % key to det ermine interest amounts for a loan. Teacher Materials “Simple Inte rest” and “Total with Interest” transparencies. Student Materials Pencil, Calculator , and ”Interesting Ride” worksheet. Keys Introduced % .[...]

  • Page 55

    Lesson 12: Interest Victor 900 Calculator Teacher’s Guide 55 TRANSPARENCY Simple Interest $750.00 at 13% =? $299.00 at 3% =? Press these buttons: The calculator shows: ON/AC ON/AC 0. 750 x 750. 13 % 97.5 ------------------------------ ------- ---------------------------- 299 x 299. 3 . % 8.97[...]

  • Page 56

    Lesson 12: Interest Victor 900 Calculator Teacher’s Guide 56 TRANSPARENCY T ot a l with Interest $490 + 15% =? $820 + 7% =? Press these buttons: The calculator shows: ON/AC ON/AC 0. 490 + 490. 15 . % . 563.5 ------------------------------- ------------------------------------ 820 + 820. 7 . % . 877.4[...]

  • Page 57

    Lesson 12: Interest Victor 900 Calculator Teacher’s Guide 57 STUDENT WORKSHEET INTERESTing Ride Hop aboard and get ready for the INTEREST ing ride!! Below are a few problems that are fun. Come along and enjoy the ride. ☺ Mr. Bob has a piggy bank that has $300.00 in it. The piggy pays Mr. Bob 3% per year. How much in terest will piggy pay Mr. Bo[...]

  • Page 58

    Lesson 13: Square Roots and Squares Victor 900 Calculator Teacher’s Guide 58 TEACHER’S GUIDE Lesson 13: Square Root s and Squares Overview Use the calculator to determine the square and square root of numbers. Teacher Materials “Why Call it the “Square”, “Square Roots”, and “Squares” transparencies. Student Materials Crayons, Calc[...]

  • Page 59

    Lesson 13: Square Roots and Squares Victor 900 Calculator Teacher’s Guide 59 STUDENT WORKSHEET Why Call it the “Square”? When small squares are used to make a larger square you can see why we use the term “Square”. 3 wide ═ 9 9 is the “S q uare” of 3. 3 is the “Square Root” of 9. 3 high[...]

  • Page 60

    Lesson 13: Square Roots and Squares Victor 900 Calculator Teacher’s Guide 60 TRANSPARENCY Square Root s √ 121 = ? √ 225 = ? √ 36 = ? Press these buttons: The calculator shows: ON/AC ON/AC 0. 121 . √ . 11. ---------------------------- ---------------------------------- 225 . √ . 15. ----------------------------- ------- -----------------[...]

  • Page 61

    Lesson 13: Square Roots and Squares Victor 900 Calculator Teacher’s Guide 61 TRANSPARENCY Squares 12 2 = ? 4 2 = ? Press these buttons: The calculator shows: ON/AC ON/AC 0. 12 x 12 144. ------------------------------- ------------------------------------ 4 x 4 16.[...]

  • Page 62

    Lesson 13: Square Roots and Squares Victor 900 Calculator Teacher’s Guide 62 STUDENT WORKSHEET Square Grid[...]