Practice adding 3-digit and 2-digit numbers without regrouping with this printable math worksheet from SplashLearn.

The task involves adding 3-digit and 2-digit numbers without regrouping. This means that the sum of digits in each column (ones, tens, hundreds) should not exceed 9, so there is no need to carry over any values to the next column.

Let's solve each problem step by step:

---

Problem 1:

$$
280 + 18
$$
- Ones place: \( 0 + 8 = 8 \)
- Tens place: \( 8 + 1 = 9 \)
- Hundreds place: \( 2 + 0 = 2 \)

$$
\boxed{298}
$$

---

Problem 2:

$$
613 + 84
$$
- Ones place: \( 3 + 4 = 7 \)
- Tens place: \( 1 + 8 = 9 \)
- Hundreds place: \( 6 + 0 = 6 \)

$$
\boxed{697}
$$

---

Problem 3:

$$
112 + 47
$$
- Ones place: \( 2 + 7 = 9 \)
- Tens place: \( 1 + 4 = 5 \)
- Hundreds place: \( 1 + 0 = 1 \)

$$
\boxed{159}
$$

---

Problem 4:

$$
861 + 15
$$
- Ones place: \( 1 + 5 = 6 \)
- Tens place: \( 6 + 1 = 7 \)
- Hundreds place: \( 8 + 0 = 8 \)

$$
\boxed{876}
$$

---

Problem 5:

$$
664 + 32
$$
- Ones place: \( 4 + 2 = 6 \)
- Tens place: \( 6 + 3 = 9 \)
- Hundreds place: \( 6 + 0 = 6 \)

$$
\boxed{696}
$$

---

Problem 6:

$$
130 + 69
$$
- Ones place: \( 0 + 9 = 9 \)
- Tens place: \( 3 + 6 = 9 \)
- Hundreds place: \( 1 + 0 = 1 \)

$$
\boxed{199}
$$

---

Problem 7:

$$
411 + 24
$$
- Ones place: \( 1 + 4 = 5 \)
- Tens place: \( 1 + 2 = 3 \)
- Hundreds place: \( 4 + 0 = 4 \)

$$
\boxed{435}
$$

---

Problem 8:

$$
223 + 76
$$
- Ones place: \( 3 + 6 = 9 \)
- Tens place: \( 2 + 7 = 9 \)
- Hundreds place: \( 2 + 0 = 2 \)

$$
\boxed{299}
$$

---

Problem 9:

$$
624 + 74
$$
- Ones place: \( 4 + 4 = 8 \)
- Tens place: \( 2 + 7 = 9 \)
- Hundreds place: \( 6 + 0 = 6 \)

$$
\boxed{698}
$$

---

Problem 10:

$$
520 + 14
$$
- Ones place: \( 0 + 4 = 4 \)
- Tens place: \( 2 + 1 = 3 \)
- Hundreds place: \( 5 + 0 = 5 \)

$$
\boxed{534}
$$

---

Problem 11:

$$
801 + 96
$$
- Ones place: \( 1 + 6 = 7 \)
- Tens place: \( 0 + 9 = 9 \)
- Hundreds place: \( 8 + 0 = 8 \)

$$
\boxed{897}
$$

---

Problem 12:

$$
513 + 51
$$
- Ones place: \( 3 + 1 = 4 \)
- Tens place: \( 1 + 5 = 6 \)
- Hundreds place: \( 5 + 0 = 5 \)

$$
\boxed{564}
$$

---

Problem 13:

$$
551 + 38
$$
- Ones place: \( 1 + 8 = 9 \)
- Tens place: \( 5 + 3 = 8 \)
- Hundreds place: \( 5 + 0 = 5 \)

$$
\boxed{589}
$$

---

Problem 14:

$$
224 + 64
$$
- Ones place: \( 4 + 4 = 8 \)
- Tens place: \( 2 + 6 = 8 \)
- Hundreds place: \( 2 + 0 = 2 \)

$$
\boxed{288}
$$

---

Problem 15:

$$
812 + 83
$$
- Ones place: \( 2 + 3 = 5 \)
- Tens place: \( 1 + 8 = 9 \)
- Hundreds place: \( 8 + 0 = 8 \)

$$
\boxed{895}
$$

---

Problem 16:

$$
519 + 70
$$
- Ones place: \( 9 + 0 = 9 \)
- Tens place: \( 1 + 7 = 8 \)
- Hundreds place: \( 5 + 0 = 5 \)

$$
\boxed{589}
$$

---

Final Answers:

$$
\boxed{
\begin{array}{cccc}
298 & 697 & 159 & 876 \\
696 & 199 & 435 & 299 \\
698 & 534 & 897 & 564 \\
589 & 288 & 895 & 589 \\
\end{array}
}
$$