Practice Exercise 1

Clearing & Correcting

1. Enter 3252 and change to 3243

Then add 635

Clear 635 and change to 735

Clear and change to subtract 735

Calculate result 1. __________

2. Enter 36 add 47

Change 47 to 45

Clear and change to subtract 45

Calculate result 2. __________

3. Enter $1,365 + $3,625 + $2,350

Change $2350 to $1,350

Plus $295

Change $295 to $296

Calculate result 3. __________

4. Enter 795 – 236 + 38

Change 38 to 33

Calculate result 4. __________

Practice Exercise 1 continued:

5. Stephanie was working on her checkbook balance. She started the month with $1365.00. The following is a list of deposits and checks written. Calculate her total at the end of the month.

Hint: If you make an error when you are entering the amounts use the clear or backspace to correct instead of starting over.

Deposit $257.00

Check $ 62.15

Check $128.12

Check $136.25

Check $219.28

Deposit $ 48.50

Check $ 21.75

Check $918.99

5. Balance __________

6. Andrea was averaging her bowling score for last week. She scored the following:

138

157

202

198

185

132

192

Find her average score for the week.

Hint: If you make a mistake entering a score use the backspace or clear to re-enter any given score.

6. Average _________