Assessments - 4, GPA: 4.5
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Teacher Materials “Learning the Victor 900 Calculator” transparency, red transparency markers. Student Materials Pencil, red crayons, “Victor 900 Calculator” worksheet, calculator Key Introduced ON/AC Teaching Notes Distribute the calculators. Use the transparency to discuss the keys and display of the Victor 900. Ask students to follow along on their worksheet. The ON/AC key (1) turns the calculator on and clears the display. Write “ON/AC” on the appropriate key and ask the students to do the same. Press the ON/AC key to turn the calculator on. Show the students the location of the display (2). Ask what is showing in the display. Write a zero and a decimal point in the display. Ask the students to do the same. Ask students to write the numbers on the number keys (3) as you do the same. Press a number key to show how the number shows on the display. Ask students to write the math operations (., X, -, +) on the math operation keys (4). Victor 900 Calculator Teacher’s Guide Lesson 1: Learning the Victor 900 Calculator TRANSPARENCY Learning the Victor 900 Calculator 900 AntiMicrobial 2 3 1 4 Victor 900 Calculator Teacher’s Guide Lesson 1: Learning the Victor 900 Calculator TRANSPARENCY Victor 900 Calculator 900 0 = X + ON/AC % . M+ 1 2 3 4 5 6 7 8 9 CE MRC M- AntiMicrobial Victor 900 Calculator Teacher’s Guide Lesson 1: Learning the Victor 900 Calculator STUDENT WORKSHEET Learning the Victor 900 Calculator 2 3 1 4 900 AntiMicrobial Victor 900 Calculator Teacher’s Guide Lesson 2: Using the Victor 900 Calculator TEACHER’S GUIDE Lesson 2: Using the Victor 900 Calculator Overview Use the calculator to enter and view numbers. Teacher Materials “Victor 900 Calculator” transparency. Student Materials Calculator, “Calculator Battle” worksheet, “Calculator Battle Score Sheet”, pencil. Keys Used 1 – 9, ON/AC Teaching Notes Distribute the calculators. Ask the students to press the ON/AC key. Ask the students to press the “1” and “9” keys to enter the number “19”. Ask “How do you clear the number 19 from the display”? Answer: press the ON/AC key To play “Calculator Battle”, pair up the students. Explain the following game rules: • Cut out the Calculator Battle cards (one set for each pair of students). • Mix the cards and place face down in one pile. • Student A draws a card and enters the number on their calculator. • Student B draws a card and enters the number on their calculator. • The students compare the displays. The student with the largest number scores a hit and enters “1” on the score sheet. • Both students press the ON/AC key. • The game continues until all cards are gone. The player with the most hits wins. Victor 900 Calculator Teacher’s Guide Lesson 2: Using the Victor 900 Calculator STUDENT WORKSHEET Calculator Battle 2 5 1 7 6 9 8 4 3 Victor 900 Calculator Teacher’s Guide Lesson 2: Using the Victor 900 Calculator STUDENT WORKSHEET Calculator Battle Score Sheet Student A Name: Student B Name: Hits Hits Victor 900 Calculator Teacher’s Guide Lesson 3: Addition TEACHER’S GUIDE Lesson 3: Addition Overview Use the calculator to add numbers. Teacher Materials “Addition” and “Correcting Wrong Entries” transparencies. Student Materials Pencil, Calculator, and “Calculator Connections” worksheet. Keys Introduced +, CE Teaching Notes Display the “Addition” transparency. Ask the students to press the buttons as illustrated. Display the “Correcting Wrong Entries” transparency. Ask the students to press the buttons as illustrated. The “Calculator Connections” worksheet provides additional practice. Ask students to solve each addition problem with the calculator and connect the box with the correct answer by drawing a line. Victor 900 Calculator Teacher’s Guide Lesson 3: Addition TRANSPARENCY Addition 1 + 2 = ? 1 + 3 + 5 = ? Press these buttons: The calculator shows: ON/AC 0. 1 2 = + 1. 2. 3. -------------- ------------------------------------------- ON 1 /AC 3+ 5 = + 0. 1. 3. 4. 5. 9. Victor 900 Calculator Teacher’s Guide Lesson 3: Addition TRANSPARENCY Correcting Wrong Entries 6 + 3 = ? Press these buttons: ON/AC 6 + 2CE 3 = The calculator shows: 0. 6. 2. 0. 3. 9. Victor 900 Calculator Teacher’s Guide Lesson 3: Addition 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 76 + 41 13 93 + 12 1 75 + 19 72 77 + 21 67 33 + 9 47 80 + 33 3 25 + 74 11 20 + 22 Victor 900 Calculator Teacher’s Guide Lesson 4: Subtraction TEACHER’S GUIDE Lesson 4: Subtraction Overview Use the calculator to subtract numbers. Teacher Materials “Subtraction” transparency. Student Materials Pencil, Calculator, and “Calculator Connections II”, and “Big Number Math” worksheets. Keys Introduced - (minus key) Teaching Notes Display the “Subtraction” transparency. The “Calculator Connections” worksheet provides additional practice. Ask students to solve each subtraction problem with the calculator and connect the box with the correct answer ...