Lesson 4: Subtraction
TRANSPARENCY
Subtraction
9 - 5 = ?
8 - 1 - 2 = ?
Press these buttons: | The calculator shows: | |||
|
|
| 0. | |
| ON/C | |||
9 | - |
| 9. | |
|
| 5 |
| 5. |
|
| = |
| 4. |
|
|
| 0. | |
| ON/C | |||
8 | - |
| 8. | |
|
| 1 |
| 1. |
|
| - |
| 7. |
|
| 2 |
| 2. |
|
| = |
| 5. |
Victor 900 Calculator Teacher’s Guide | 14 |
Lesson 4: Subtraction
TRANSPARENCY
Press these buttons: | The calculator shows: | |||
|
|
| 0. | |
| ON/C | |||
9 | - |
| 9. | |
|
| 5 |
| 5. |
|
| = |
| 4. |
|
|
| 0. | |
| ON/C | |||
8 | - |
| 8. | |
|
| 1 |
| 1. |
|
| - |
| 7. |
|
| 2 |
| 2. |
|
| = |
| 5. |
Victor 900 Calculator Teacher’s Guide | 14 |