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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
.
If we have 85 blocks in total, how many blocks will remain if we remove 4 tens and 1 one?
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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