Victor 900 manual Lesson 10 Memory, Mrc

Lesson 10: Memory

TEACHER’S GUIDE

Lesson 10: Memory

Overview	Use the calculator to add and subtract numbers and
	store the numbers in the calculator’s memory
Teacher Materials	“Calculator Memory”, “Adding Products with Memory”,
	and “Find the Total Cost Using Memory”,
	transparencies.
Student Materials	Pencil, Calculator, and “Million Memory Magic”
	worksheet.
Keys Introduced
		MRC				M+	M-
Teaching Notes	Talk to the students about memory, and how it works
	on a calculator. The memory icon will appear on the
	calculator screen when a number has been stored.
	To view the stored number, press the MRC button
	once. MRC stands for “Memory Recall & Clear”. If
	the MRC key is pressed twice, the memory is cleared.
				Adds the displayed number to the memory of the
		M+
	calculator
			Subtracts the displayed number from the memory
		M-
	of the calculator
					Displays the number from the memory onto
		MRC
	the screen of the calculator

MRC

MRC Clears the memory

The Million Memory Magic worksheet is for students to practice using the memory function of the calculator. It is to be done individually to test the skills learned in the lesson. Understanding this worksheet will show fulfillment and accomplishment with this lesson.

You should ask students to press the MRC key twice before the exercise … to make sure everyone starts with a clear memory.

Victor 900 Calculator Teacher’s Guide 45