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To solve the addition problem , we will follow these steps:
22 +36 ----
Step 2: Begin adding from the rightmost column, which is the units place:
Units: . Write 8 under the line in the units place.
Step 3: Move to the tens column:
Tens: . Write 5 under the line in the tens place.
At this point, we have summed the digits in each column and written the final result below the other numbers.
22 +36 ---- 58
Therefore, the sum of 22 and 36 is .
The correct answer is
.
Add fifty units to the number 31.
What is the resulting number?
Lining up numbers ensures you add units to units and tens to tens. Without proper alignment, you might accidentally add a tens digit to a units digit, giving you the wrong answer!
Always start from the rightmost column (the units place). Think of it like reading backwards - start from the right and move left, just like how you count: ones, tens, hundreds.
Use subtraction to check! Take your answer and subtract one of the original numbers. If you get the other original number, you're right: ✓
For simple problems like this, you could add horizontally, but vertical alignment is much safer and prevents place value errors, especially as numbers get larger.
When a column adds up to 10 or more, you carry the extra to the next column on the left. For example: 7 + 5 = 12, so write 2 and carry the 1 to the tens place.
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