Kay added 253 + 14 and got a sum of 393. What did she do wrong?Kay did not line up the digits with the same place value.
Kay incorrectly added together 3 ones and 4 ones.
Kay incorrectly added together 5 tens and 1 ten.
Kay added 1 hundred to 253 instead of 1 ten.
Kay added 4 tens to 253 instead of 4 ones.
