Addition with Tens and Units: Finding Components That Sum to 68

To solve the given problem, follow these steps:

• Step 1: Identify the tens component of the number 68. The digit in the tens place is 6, which is equivalent to 60 in terms of tens.
• Step 2: Identify the units component of the number 68. This is simply the remaining part after the tens, which is 8.
• Step 3: Verify that adding these components will result in the given number. Calculate $60 + 8$ to confirm:

$60 + 8 = 68$

Therefore, the addition exercise using tens and units that results in 68 is $60 + 8$.

Among the given choices, the correct one for this problem is Choice 2: $60 + 8$.