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Lesson 13: Square Roots and Squares
Victor 900 Calculator Teacher’s Guide
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TEACHER’S GUIDE
Lesson 13: Square Roots 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, Calculator, and ”Square Grid” worksheet.
Keys Introduced √.
Teaching Notes Remember to explain that Square roots and Squares
are inverses of each other.
Write the following equation on the board:
10 X 10 = 100
Show how 100 is the square of 10. Explain that 10 is
the square root of 100.
Provide copies of the “Square Grid” worksheet to
students. Ask the students to draw colored boxes
representing the Square of 1, 2, and 4.