Calculator Activity
BASIC ARITHMETIC
OBJECTIVE: To perform basic operations by developing a sequence of numbers.
Performing a specified operation repeatedly can generate a sequence of numbers. For example, if you start with the number 4 and add 2 repeatedly you will generate the sequence 4,6,8,10
1. Add 13 to 54 twice:
STEP 1: Enter 13 by pressing .
STEP 2: Add by pressing .
STEP 3: Enter 54 by pressing .
STEP 4: Find the first sum by pressing .
STEP 5: Add 13 again by pressing .
2. Subtract 9 from 32 once.
STEP 1: Enter 32 by pressing .
STEP 2: Subtract by pressing .
STEP 3: Enter 9 by pressing .
STEP 4: Find the difference by pressing .
3. Multiply |
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STEP 1: Enter | followed by | . |
STEP 2: Multiply by pressing | . |
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STEP 3: Enter 5 by pressing | . |
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STEP 4: Find the first product by pressing | . | |
STEP 5: Multiply by 5 again by pressing | . | |
STEP 6: Multiply by 5 a third time by pressing | . |
10