Victor 900 User manual
1
Victor 900 Calculator
Teacher’s Guide
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 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
3
TRANSPARENCY
Learning the Victor 900 Calculator
900
AntiMicrobial
2
3
1
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
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
Lesson 2: Using the Victor 900 Calculator
Victor 900 Calculator Teacher’s Guide
6
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
7
STUDENT WORKSHEET
Calculator Battle
2 5
1
7 6
9
8 4
3
Lesson 2: Using the Victor 900 Calculator
Victor 900 Calculator Teacher’s Guide
8
STUDENT WORKSHEET
Calculator Battle Score Sheet
StudentAName:
StudentBName:
Hits
Hits
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” 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
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.
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