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Example 1.17 from Prealgebra, 1.2 Add Whole Numbers
Add:
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
To add numbers with more than one digit, it is often easier to write the numbers vertically in columns.
| Write the numbers so the ones and tens digits line up vertically. | |
| Then add the digits in each place value. Add the ones: Add the tens: |
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Add:
How did it go?