A common error students make is to line up the digits on the left instead of on the_____

_____correct

273
+64
913

3 answers

A common error students make is to line up the digits on the left instead of on the right.

When adding numbers, you should align them by their place values (units, tens, hundreds, etc.) starting from the right. Here is the correct alignment for the numbers you provided:

  273
+  64
______

When you add 273 and 64, make sure to align the digits as shown above.

whats the answer

Let's add the numbers together:

  273
+  64
______

Align the numbers by their place values:

  273
+  064
______

Now, add column by column starting from the right:

  • Units column: 3 + 4 = 7
  • Tens column: 7 + 6 = 13 (write down 3 and carry over 1)
  • Hundreds column: 2 + 0 + 1 (the carry) = 3

So, the sum is:

  273
+  064
______
  337

The answer is 337.