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To solve this problem, we'll follow these steps:
Now, let's work through each step:
Step 1: Add the units' place:
The units' place in 954 is 4, and in 72, it is 2. Add these together: .
Place 6 in the units' position of our result.
Step 2: Add the tens' place:
The tens' place in 954 is 5, and in 72, it is 7. Add these together: .
Since 12 is greater than 9, place 2 in the tens' position and carry over 1 to the hundreds' column.
Step 3: Add the hundreds' place:
The hundreds' place in 954 is 9. Add the carry over 1 from the tens' addition: .
This gives us 0 in the hundreds' position, with another carry over 1 to the next column which becomes a thousand.
This forms 1 in the thousand's position of our result.
Therefore, the sum of 954 and 72 is .
Among the provided choices, choice 4 corresponds to this solution.
1026
\( \begin{aligned} &90 \\ +& \\ &~~9\\ &\underline{\phantom{776}} & \\ \end{aligned} \)
When adding digits in a column gives you 10 or more, you write down the ones digit and carry the tens digit to the next column left. For example, 5 + 7 = 12, so write 2 and carry the 1.
Place value alignment is crucial! The ones digits must be in the same column, tens digits in the same column, etc. This ensures you're adding the correct place values together.
That's normal! In 954 + 72, there's no hundreds digit in 72, so treat it as 0. Just add 9 + 0 = 9 in the hundreds column (plus any carry-over).
Try these methods:
Always carry to the left! Remember: place values get bigger as you move left (ones → tens → hundreds → thousands). The carried digit represents a higher place value.
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