Victor 900 Manual de usuario

Victor 900 Calculator

Teacher’s Guide

Lesson 1: Learning the Victor 900 Calculator

Victor 900 Calculator Teacher’s Guide

TEACHER’S GUIDE

Lesson 1: Learning the Victor 900 Calculator

Overview Familiarize students with the calculator.

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).

Lesson 1: Learning the Victor 900 Calculator

Victor 900 Calculator Teacher’s Guide

TRANSPARENCY

Learning the Victor 900 Calculator

900

AntiMicrobial

Lesson 1: Learning the Victor 900 Calculator

Victor 900 Calculator Teacher’s Guide

TRANSPARENCY

Victor 900 Calculator

900

0 =

ON/AC %÷

M+

1 2 3

4 5 6

7 8 9

CE MRC M-

AntiMicrobial

Lesson 1: Learning the Victor 900 Calculator

Victor 900 Calculator Teacher’s Guide

STUDENT WORKSHEET

Learning the Victor 900 Calculator

900

AntiMicrobial

Lesson 2: Using the Victor 900 Calculator

Victor 900 Calculator Teacher’s Guide

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.

Lesson 2: Using the Victor 900 Calculator

Victor 900 Calculator Teacher’s Guide

STUDENT WORKSHEET

Calculator Battle

2 5

7 6

8 4

Lesson 2: Using the Victor 900 Calculator

Victor 900 Calculator Teacher’s Guide

STUDENT WORKSHEET

Calculator Battle Score Sheet

StudentAName:

StudentBName:

Hits

Lesson 3: Addition

Victor 900 Calculator Teacher’s Guide

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.

Lesson 3: Addition

Victor 900 Calculator Teacher’s Guide

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.

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