Lesson 4: subtraction – Victor 900 User Manual
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, 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 by drawing a line.