3 Digit by 2 Digit Multiplication Worksheet -#8 ... - Free Printable
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Step-by-step solution for: 3 Digit by 2 Digit Multiplication Worksheet -#8 ...
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Show Answer Key & Explanations
Step-by-step solution for: 3 Digit by 2 Digit Multiplication Worksheet -#8 ...
The task involves solving a series of multiplication problems. Each problem consists of two numbers that need to be multiplied together. Below, I will solve each multiplication problem step by step.
---
1. 212 × 35
- Break it into parts: \( 212 \times 30 + 212 \times 5 \)
- Calculate:
\[
212 \times 30 = 6360
\]
\[
212 \times 5 = 1060
\]
\[
6360 + 1060 = 7420
\]
- Answer: \( 7420 \)
2. 347 × 69
- Break it into parts: \( 347 \times 60 + 347 \times 9 \)
- Calculate:
\[
347 \times 60 = 20820
\]
\[
347 \times 9 = 3123
\]
\[
20820 + 3123 = 23943
\]
- Answer: \( 23943 \)
---
3. 423 × 85
- Break it into parts: \( 423 \times 80 + 423 \times 5 \)
- Calculate:
\[
423 \times 80 = 33840
\]
\[
423 \times 5 = 2115
\]
\[
33840 + 2115 = 35955
\]
- Answer: \( 35955 \)
4. 841 × 61
- Break it into parts: \( 841 \times 60 + 841 \times 1 \)
- Calculate:
\[
841 \times 60 = 50460
\]
\[
841 \times 1 = 841
\]
\[
50460 + 841 = 51301
\]
- Answer: \( 51301 \)
5. 142 × 46
- Break it into parts: \( 142 \times 40 + 142 \times 6 \)
- Calculate:
\[
142 \times 40 = 5680
\]
\[
142 \times 6 = 852
\]
\[
5680 + 852 = 6532
\]
- Answer: \( 6532 \)
6. 714 × 49
- Break it into parts: \( 714 \times 40 + 714 \times 9 \)
- Calculate:
\[
714 \times 40 = 28560
\]
\[
714 \times 9 = 6426
\]
\[
28560 + 6426 = 34986
\]
- Answer: \( 34986 \)
---
7. 648 × 91
- Break it into parts: \( 648 \times 90 + 648 \times 1 \)
- Calculate:
\[
648 \times 90 = 58320
\]
\[
648 \times 1 = 648
\]
\[
58320 + 648 = 58968
\]
- Answer: \( 58968 \)
8. 147 × 61
- Break it into parts: \( 147 \times 60 + 147 \times 1 \)
- Calculate:
\[
147 \times 60 = 8820
\]
\[
147 \times 1 = 147
\]
\[
8820 + 147 = 8967
\]
- Answer: \( 8967 \)
9. 822 × 28
- Break it into parts: \( 822 \times 20 + 822 \times 8 \)
- Calculate:
\[
822 \times 20 = 16440
\]
\[
822 \times 8 = 6576
\]
\[
16440 + 6576 = 23016
\]
- Answer: \( 23016 \)
10. 348 × 28
- Break it into parts: \( 348 \times 20 + 348 \times 8 \)
- Calculate:
\[
348 \times 20 = 6960
\]
\[
348 \times 8 = 2784
\]
\[
6960 + 2784 = 9744
\]
- Answer: \( 9744 \)
---
11. 248 × 36
- Break it into parts: \( 248 \times 30 + 248 \times 6 \)
- Calculate:
\[
248 \times 30 = 7440
\]
\[
248 \times 6 = 1488
\]
\[
7440 + 1488 = 8928
\]
- Answer: \( 8928 \)
12. 478 × 20
- Simplify:
\[
478 \times 20 = 9560
\]
- Answer: \( 9560 \)
13. 278 × 94
- Break it into parts: \( 278 \times 90 + 278 \times 4 \)
- Calculate:
\[
278 \times 90 = 25020
\]
\[
278 \times 4 = 1112
\]
\[
25020 + 1112 = 26132
\]
- Answer: \( 26132 \)
14. 520 × 97
- Break it into parts: \( 520 \times 90 + 520 \times 7 \)
- Calculate:
\[
520 \times 90 = 46800
\]
\[
520 \times 7 = 3640
\]
\[
46800 + 3640 = 50440
\]
- Answer: \( 50440 \)
---
15. 802 × 54
- Break it into parts: \( 802 \times 50 + 802 \times 4 \)
- Calculate:
\[
802 \times 50 = 40100
\]
\[
802 \times 4 = 3208
\]
\[
40100 + 3208 = 43308
\]
- Answer: \( 43308 \)
16. 644 × 13
- Break it into parts: \( 644 \times 10 + 644 \times 3 \)
- Calculate:
\[
644 \times 10 = 6440
\]
\[
644 \times 3 = 1932
\]
\[
6440 + 1932 = 8372
\]
- Answer: \( 8372 \)
---
\[
\boxed{
\begin{array}{cccc}
7420 & 23943 & & \\
35955 & 51301 & 6532 & 34986 \\
58968 & 8967 & 23016 & 9744 \\
8928 & 9560 & 26132 & 50440 \\
43308 & 8372 & &
\end{array}
}
\]
---
Step 1: Solve the first row
1. 212 × 35
- Break it into parts: \( 212 \times 30 + 212 \times 5 \)
- Calculate:
\[
212 \times 30 = 6360
\]
\[
212 \times 5 = 1060
\]
\[
6360 + 1060 = 7420
\]
- Answer: \( 7420 \)
2. 347 × 69
- Break it into parts: \( 347 \times 60 + 347 \times 9 \)
- Calculate:
\[
347 \times 60 = 20820
\]
\[
347 \times 9 = 3123
\]
\[
20820 + 3123 = 23943
\]
- Answer: \( 23943 \)
---
Step 2: Solve the second row
3. 423 × 85
- Break it into parts: \( 423 \times 80 + 423 \times 5 \)
- Calculate:
\[
423 \times 80 = 33840
\]
\[
423 \times 5 = 2115
\]
\[
33840 + 2115 = 35955
\]
- Answer: \( 35955 \)
4. 841 × 61
- Break it into parts: \( 841 \times 60 + 841 \times 1 \)
- Calculate:
\[
841 \times 60 = 50460
\]
\[
841 \times 1 = 841
\]
\[
50460 + 841 = 51301
\]
- Answer: \( 51301 \)
5. 142 × 46
- Break it into parts: \( 142 \times 40 + 142 \times 6 \)
- Calculate:
\[
142 \times 40 = 5680
\]
\[
142 \times 6 = 852
\]
\[
5680 + 852 = 6532
\]
- Answer: \( 6532 \)
6. 714 × 49
- Break it into parts: \( 714 \times 40 + 714 \times 9 \)
- Calculate:
\[
714 \times 40 = 28560
\]
\[
714 \times 9 = 6426
\]
\[
28560 + 6426 = 34986
\]
- Answer: \( 34986 \)
---
Step 3: Solve the third row
7. 648 × 91
- Break it into parts: \( 648 \times 90 + 648 \times 1 \)
- Calculate:
\[
648 \times 90 = 58320
\]
\[
648 \times 1 = 648
\]
\[
58320 + 648 = 58968
\]
- Answer: \( 58968 \)
8. 147 × 61
- Break it into parts: \( 147 \times 60 + 147 \times 1 \)
- Calculate:
\[
147 \times 60 = 8820
\]
\[
147 \times 1 = 147
\]
\[
8820 + 147 = 8967
\]
- Answer: \( 8967 \)
9. 822 × 28
- Break it into parts: \( 822 \times 20 + 822 \times 8 \)
- Calculate:
\[
822 \times 20 = 16440
\]
\[
822 \times 8 = 6576
\]
\[
16440 + 6576 = 23016
\]
- Answer: \( 23016 \)
10. 348 × 28
- Break it into parts: \( 348 \times 20 + 348 \times 8 \)
- Calculate:
\[
348 \times 20 = 6960
\]
\[
348 \times 8 = 2784
\]
\[
6960 + 2784 = 9744
\]
- Answer: \( 9744 \)
---
Step 4: Solve the fourth row
11. 248 × 36
- Break it into parts: \( 248 \times 30 + 248 \times 6 \)
- Calculate:
\[
248 \times 30 = 7440
\]
\[
248 \times 6 = 1488
\]
\[
7440 + 1488 = 8928
\]
- Answer: \( 8928 \)
12. 478 × 20
- Simplify:
\[
478 \times 20 = 9560
\]
- Answer: \( 9560 \)
13. 278 × 94
- Break it into parts: \( 278 \times 90 + 278 \times 4 \)
- Calculate:
\[
278 \times 90 = 25020
\]
\[
278 \times 4 = 1112
\]
\[
25020 + 1112 = 26132
\]
- Answer: \( 26132 \)
14. 520 × 97
- Break it into parts: \( 520 \times 90 + 520 \times 7 \)
- Calculate:
\[
520 \times 90 = 46800
\]
\[
520 \times 7 = 3640
\]
\[
46800 + 3640 = 50440
\]
- Answer: \( 50440 \)
---
Step 5: Solve the fifth row
15. 802 × 54
- Break it into parts: \( 802 \times 50 + 802 \times 4 \)
- Calculate:
\[
802 \times 50 = 40100
\]
\[
802 \times 4 = 3208
\]
\[
40100 + 3208 = 43308
\]
- Answer: \( 43308 \)
16. 644 × 13
- Break it into parts: \( 644 \times 10 + 644 \times 3 \)
- Calculate:
\[
644 \times 10 = 6440
\]
\[
644 \times 3 = 1932
\]
\[
6440 + 1932 = 8372
\]
- Answer: \( 8372 \)
---
Final Answers
\[
\boxed{
\begin{array}{cccc}
7420 & 23943 & & \\
35955 & 51301 & 6532 & 34986 \\
58968 & 8967 & 23016 & 9744 \\
8928 & 9560 & 26132 & 50440 \\
43308 & 8372 & &
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of 2 digit multiplication worksheet 3rd grade.