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To solve this problem, let's calculate the sum of the numbers 25 and 6 using vertical addition:
Step 1: Align the numbers in vertical format.
The tens and ones are aligned as follows:
Tens place:
Ones place:
(ones place)
Step 2: Add the digits in the ones place.
. Since the sum exceeds 9, write down in the ones place and carry over to the tens place.
Step 3: Add the digits in the tens place, considering the carryover.
.
Thus, the complete sum is .
Therefore, the sum of 25 and 6 is , making choice 2 the correct one.
31
\( \begin{aligned} &90 \\ +& \\ &~~9\\ &\underline{\phantom{776}} & \\ \end{aligned} \)
When adding digits gives a sum of 10 or more, you write down the ones digit and 'carry' the tens digit to the next column. Think of it as regrouping - 11 ones becomes 1 ten and 1 one!
Each place value can only hold one digit (0-9). Writing 11 in one place creates confusion and isn't proper mathematical notation. Always separate into proper place values.
Always carry to the left - from ones to tens, tens to hundreds, etc. The carried digit represents the next higher place value.
No problem! Just work step by step from right to left. Carry each time a column sum reaches 10 or more. Take your time with each column.
Yes! Try horizontal addition: . You can also use subtraction: or .
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