The task involves solving a series of multiplication problems. Let's go through each problem step by step.
First Row: Multiplying by 2
1.
21 × 2
- \( 21 \times 2 = 42 \)
2.
42 × 2
- \( 42 \times 2 = 84 \)
3.
53 × 2
- \( 53 \times 2 = 106 \)
4.
84 × 2
- \( 84 \times 2 = 168 \)
Second Row: Multiplying by 3
1.
43 × 3
- \( 43 \times 3 = 129 \)
2.
52 × 3
- \( 52 \times 3 = 156 \)
3.
64 × 3
- \( 64 \times 3 = 192 \)
4.
95 × 3
- \( 95 \times 3 = 285 \)
Third Row: Multiplying by 4
1.
52 × 4
- \( 52 \times 4 = 208 \)
2.
71 × 4
- \( 71 \times 4 = 284 \)
3.
96 × 4
- \( 96 \times 4 = 384 \)
4.
37 × 4
- \( 37 \times 4 = 148 \)
Fourth Row: Multiplying by 5
1.
81 × 5
- \( 81 \times 5 = 405 \)
2.
42 × 5
- \( 42 \times 5 = 210 \)
3.
66 × 5
- \( 66 \times 5 = 330 \)
4.
73 × 5
- \( 73 \times 5 = 365 \)
Final Answers:
- First row: \( 42, 84, 106, 168 \)
- Second row: \( 129, 156, 192, 285 \)
- Third row: \( 208, 284, 384, 148 \)
- Fourth row: \( 405, 210, 330, 365 \)
Boxed Final Answer:
\[
\boxed{
\begin{array}{cccc}
42 & 84 & 106 & 168 \\
129 & 156 & 192 & 285 \\
208 & 284 & 384 & 148 \\
405 & 210 & 330 & 365 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of multiplying worksheet grade 4.
