Multiplication practice worksheet with 18 problems for students to solve.

The task involves solving a series of multiplication problems. Below, I will solve each problem step by step.

---

First Row:

1. 424 × 12
- Break it down: \( 424 \times 12 = 424 \times (10 + 2) \)
- Calculate:
\[
424 \times 10 = 4240
\]
\[
424 \times 2 = 848
\]
\[
4240 + 848 = 5088
\]
- Answer: \( 5088 \)

2. 108 × 87
- Use the standard multiplication method:
\[
\begin{array}{r}
108 \\
\times 87 \\
\hline
756 \quad (\text{108 × 7}) \\
+ 8640 \quad (\text{108 × 80, shifted left}) \\
\hline
9396 \\
\end{array}
\]
- Answer: \( 9396 \)

3. 823 × 59
- Use the standard multiplication method:
\[
\begin{array}{r}
823 \\
\times 59 \\
\hline
7407 \quad (\text{823 × 9}) \\
+ 41150 \quad (\text{823 × 50, shifted left}) \\
\hline
48557 \\
\end{array}
\]
- Answer: \( 48557 \)

4. 621 × 13
- Use the standard multiplication method:
\[
\begin{array}{r}
621 \\
\times 13 \\
\hline
1863 \quad (\text{621 × 3}) \\
+ 6210 \quad (\text{621 × 10, shifted left}) \\
\hline
8073 \\
\end{array}
\]
- Answer: \( 8073 \)

5. 254 × 31
- Use the standard multiplication method:
\[
\begin{array}{r}
254 \\
\times 31 \\
\hline
254 \quad (\text{254 × 1}) \\
+ 7620 \quad (\text{254 × 30, shifted left}) \\
\hline
7874 \\
\end{array}
\]
- Answer: \( 7874 \)

6. 667 × 15
- Use the standard multiplication method:
\[
\begin{array}{r}
667 \\
\times 15 \\
\hline
3335 \quad (\text{667 × 5}) \\
+ 6670 \quad (\text{667 × 10, shifted left}) \\
\hline
10005 \\
\end{array}
\]
- Answer: \( 10005 \)

---

Second Row:

1. 711 × 17
- Use the standard multiplication method:
\[
\begin{array}{r}
711 \\
\times 17 \\
\hline
4977 \quad (\text{711 × 7}) \\
+ 7110 \quad (\text{711 × 10, shifted left}) \\
\hline
12087 \\
\end{array}
\]
- Answer: \( 12087 \)

2. 138 × 22
- Use the standard multiplication method:
\[
\begin{array}{r}
138 \\
\times 22 \\
\hline
276 \quad (\text{138 × 2}) \\
+ 2760 \quad (\text{138 × 20, shifted left}) \\
\hline
3036 \\
\end{array}
\]
- Answer: \( 3036 \)

3. 998 × 11
- Use the standard multiplication method:
\[
\begin{array}{r}
998 \\
\times 11 \\
\hline
998 \quad (\text{998 × 1}) \\
+ 9980 \quad (\text{998 × 10, shifted left}) \\
\hline
10978 \\
\end{array}
\]
- Answer: \( 10978 \)

4. 287 × 33
- Use the standard multiplication method:
\[
\begin{array}{r}
287 \\
\times 33 \\
\hline
861 \quad (\text{287 × 3}) \\
+ 8610 \quad (\text{287 × 30, shifted left}) \\
\hline
9471 \\
\end{array}
\]
- Answer: \( 9471 \)

5. 543 × 26
- Use the standard multiplication method:
\[
\begin{array}{r}
543 \\
\times 26 \\
\hline
3258 \quad (\text{543 × 6}) \\
+ 10860 \quad (\text{543 × 20, shifted left}) \\
\hline
14118 \\
\end{array}
\]
- Answer: \( 14118 \)

6. 333 × 18
- Use the standard multiplication method:
\[
\begin{array}{r}
333 \\
\times 18 \\
\hline
2664 \quad (\text{333 × 8}) \\
+ 3330 \quad (\text{333 × 10, shifted left}) \\
\hline
5994 \\
\end{array}
\]
- Answer: \( 5994 \)

---

Third Row:

1. 467 × 21
- Use the standard multiplication method:
\[
\begin{array}{r}
467 \\
\times 21 \\
\hline
467 \quad (\text{467 × 1}) \\
+ 9340 \quad (\text{467 × 20, shifted left}) \\
\hline
9807 \\
\end{array}
\]
- Answer: \( 9807 \)

2. 801 × 30
- Simplify: \( 801 \times 30 = 801 \times 3 \times 10 \)
\[
801 \times 3 = 2403
\]
\[
2403 \times 10 = 24030
\]
- Answer: \( 24030 \)

3. 299 × 19
- Use the standard multiplication method:
\[
\begin{array}{r}
299 \\
\times 19 \\
\hline
2691 \quad (\text{299 × 9}) \\
+ 2990 \quad (\text{299 × 10, shifted left}) \\
\hline
5681 \\
\end{array}
\]
- Answer: \( 5681 \)

4. 688 × 16
- Use the standard multiplication method:
\[
\begin{array}{r}
688 \\
\times 16 \\
\hline
4128 \quad (\text{688 × 6}) \\
+ 6880 \quad (\text{688 × 10, shifted left}) \\
\hline
11008 \\
\end{array}
\]
- Answer: \( 11008 \)

5. 394 × 27
- Use the standard multiplication method:
\[
\begin{array}{r}
394 \\
\times 27 \\
\hline
2758 \quad (\text{394 × 7}) \\
+ 7880 \quad (\text{394 × 20, shifted left}) \\
\hline
10638 \\
\end{array}
\]
- Answer: \( 10638 \)

6. 904 × 35
- Use the standard multiplication method:
\[
\begin{array}{r}
904 \\
\times 35 \\
\hline
4520 \quad (\text{904 × 5}) \\
+ 27120 \quad (\text{904 × 30, shifted left}) \\
\hline
31640 \\
\end{array}
\]
- Answer: \( 31640 \)

---

Final Answers:

\[
\boxed{
\begin{array}{cccccc}
5088 & 9396 & 48557 & 8073 & 7874 & 10005 \\
12087 & 3036 & 10978 & 9471 & 14118 & 5994 \\
9807 & 24030 & 5681 & 11008 & 10638 & 31640 \\
\end{array}
}
\]