The task involves solving 2-digit by 2-digit multiplication problems. Below, I will solve each problem step by step.
Problem 1: \( 82 \times 41 \)
1.
Multiply 82 by 1 (units place of 41):
\[
82 \times 1 = 82
\]
2.
Multiply 82 by 40 (tens place of 41):
\[
82 \times 40 = 3280
\]
3.
Add the results:
\[
82 + 3280 = 3362
\]
Answer: \( 3362 \)
---
Problem 2: \( 44 \times 42 \)
1.
Multiply 44 by 2 (units place of 42):
\[
44 \times 2 = 88
\]
2.
Multiply 44 by 40 (tens place of 42):
\[
44 \times 40 = 1760
\]
3.
Add the results:
\[
88 + 1760 = 1848
\]
Answer: \( 1848 \)
---
Problem 3: \( 25 \times 10 \)
1.
Multiply 25 by 10:
\[
25 \times 10 = 250
\]
Answer: \( 250 \)
---
Problem 4: \( 93 \times 86 \)
1.
Multiply 93 by 6 (units place of 86):
\[
93 \times 6 = 558
\]
2.
Multiply 93 by 80 (tens place of 86):
\[
93 \times 80 = 7440
\]
3.
Add the results:
\[
558 + 7440 = 7998
\]
Answer: \( 7998 \)
---
Problem 5: \( 91 \times 47 \)
1.
Multiply 91 by 7 (units place of 47):
\[
91 \times 7 = 637
\]
2.
Multiply 91 by 40 (tens place of 47):
\[
91 \times 40 = 3640
\]
3.
Add the results:
\[
637 + 3640 = 4277
\]
Answer: \( 4277 \)
---
Problem 6: \( 94 \times 83 \)
1.
Multiply 94 by 3 (units place of 83):
\[
94 \times 3 = 282
\]
2.
Multiply 94 by 80 (tens place of 83):
\[
94 \times 80 = 7520
\]
3.
Add the results:
\[
282 + 7520 = 7802
\]
Answer: \( 7802 \)
---
Problem 7: \( 75 \times 13 \)
1.
Multiply 75 by 3 (units place of 13):
\[
75 \times 3 = 225
\]
2.
Multiply 75 by 10 (tens place of 13):
\[
75 \times 10 = 750
\]
3.
Add the results:
\[
225 + 750 = 975
\]
Answer: \( 975 \)
---
Problem 8: \( 34 \times 98 \)
1.
Multiply 34 by 8 (units place of 98):
\[
34 \times 8 = 272
\]
2.
Multiply 34 by 90 (tens place of 98):
\[
34 \times 90 = 3060
\]
3.
Add the results:
\[
272 + 3060 = 3332
\]
Answer: \( 3332 \)
---
Final Answers:
\[
\boxed{3362, 1848, 250, 7998, 4277, 7802, 975, 3332}
\]
Parent Tip: Review the logic above to help your child master the concept of 2 by 2 digit multiplication worksheet.