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Using a Calculator: Activity 1 of 3

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Calculators can perform math functions quickly and easily. The most common functions are addition (+), subtraction (-), multiplication (*) and division (/). Press the “=” sign to get the answer. When you’re ready to do another math function, press “Erase” to clear the screen.

Note that many calculators use different symbols for multiplication (x) and division (÷), and "C" for "Clear"—the erase function.

Let’s start with adding and subtracting numbers. Click on the tool kit to find the calculator.







Question 2 of 8