Arithmetic Grade One
Lesson Fifty-five: Grid Subtraction
Grid subtraction
| START | MINUS | LEFT |
| 5 | 1 | 4 |
| 9 | 7 | 2 |
| 3 | 2 | 1 |
| 6 | 5 | 1 |
| 4 | 1 | 3 |
NOTE: Make a grid like the one shown. Fill in the first two columns and have
the student complete the third column. Emphasize that the word "minus" means
the same as "take away."
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